If 67. 8 moles of gas was measured out into a helium balloon how many molecules would be present within the balloon

Answers

Answer 1

Answer: 4.08 x 10^25 molecules

Explanation:

1 mole of a substance contains 6.022×10^23 molecules/atoms of that substance.

therefore:

67.8 x (6.022x10^23) = 4.08x10^25 molecules of helium


Related Questions

During an experiment, the percent yield of calcium chloride from a reaction was


80. 34%. Theoretically, the expected amount should have been 115 grams. What was


the actual yield from this reaction? (5 points)


CaCO3 + HCI - CaCl2 + CO2 + H2O


1) 90. 1 grams


2) 92. 4 grams


3) 109. 2 grams


4) 115. 3 grams

Answers

The actual yield from the reaction was 92.4 grams. The answer is 2)

To find the actual yield of calcium chloride from the reaction, we can use the percent yield formula:

Percent Yield = (Actual Yield / Theoretical Yield) x 100%

We know that the theoretical yield of calcium chloride is 115 grams, and the percent yield is 80.34%. Rearranging the formula to solve for actual yield, we get:

Actual Yield = (Percent Yield / 100%) x Theoretical Yield

Plugging in the given values, we get:

Actual Yield = (80.34% / 100%) x 115 grams

Simplifying and solving for actual yield, we get:

Actual Yield = 92.4 grams

Therefore, the actual yield from the reaction was 92.4 grams, which is the second option in the given choices, i.e., option 2.

To know more about actual yield, refer here:

https://brainly.com/question/21925098#

#SPJ11

A truck weighs 7280 pounds. If the pressure exerted by its tires on the ground is 87. 5 pounds per square centimeter,what is the area of one tire that in contact with the road

Answers

Area of one tire is: 20.8 square centimeters.


To find the area of one tire in contact with the road, we need to first determine the total pressure exerted by all tires. Assuming the truck has 4 tires, we can use the following formula:

Total weight (in pounds) = Pressure exerted by each tire (in pounds per square centimeter) × Total area of contact of all tires (in square centimeters)

Let's denote the area of one tire in contact with the road as A (in square centimeters). Then, the total area of contact of all tires would be 4A.

We can now plug in the values given:

7280 pounds = 87.5 pounds/square centimeter × 4A

To find A, we first divide both sides by 4:

1820 pounds = 87.5 pounds/square centimeter × A

Now, divide both sides by 87.5 pounds/square centimeter:

A ≈ 20.8 square centimeters

The area of one tire in contact with the road is approximately 20.8 square centimeters.

To know more about area-pressure calculation:

https://brainly.in/question/20711424

#SPJ11

Name the following alkyne:
ch3
|
ch3ch2c = cch2ch2chch3
=

Answers

The  name of the alkyne is 3-ethyl-4-methyl-5-(prop-1-en-2-yl)oct-2-yne.

ch3

|

ch3ch2c = cch2ch2chch3

Alkyne explained.

Alkyne is a type of organic compounds that contain carbon to carbon triple bond. Alkynes are unsaturated hydrocarbon because they have fewer hydrogens than corresponding alkenes.

The general formula for alkynes is cnH2n -2 where n is the number of carbon in the compound. This means alkynes has fewer two hydrogens than corresponding alkenes.

Therefore, the carbon carbon triple bond in alkynes is composed of one sigma bond and two pi bond in the orbitals.

Learn more about alkyne below.

https://brainly.com/question/22933069

#SPJ1

How many grams of solute are needed to make 2. 50L of a 1. 75M solution of Ba(NO3)2

Answers

To make a 1.75 M solution of Ba(NO₃)₂ with a volume of 2.50 L, you will need 1141.72 grams of the solute.

Firstly, we need to understand that Molarity (M) is defined as the number of moles of solute per liter of solution. Thus, we can use the formula:

Molarity (M) = (Number of moles of solute) / (Volume of solution in liters)

We have been given the volume of the solution (V) as 2.50 L and the Molarity (M) as 1.75 M. We need to find out the number of moles of solute (n) required to prepare this solution.

Rearranging the above formula, we get:

Number of moles of solute = Molarity × Volume of solution in liters

Substituting the given values, we get:

Number of moles of solute = 1.75 mol/L × 2.50 L = 4.375 mol

The molecular weight of Ba(NO₃)₂ can be calculated by adding the atomic weights of its constituents, which are Ba=137.33 g/mol, N=14.01 g/mol, O=16.00 g/mol. Thus, the molecular weight of Ba(NO₃)₂ comes out to be:

Molecular weight of Ba(NO₃)₂ = (137.33 g/mol) + 2 × (14.01 g/mol + 3 × 16.00 g/mol) = 261.34 g/mol

Now we can use the formula:

Mass of solute (in grams) = Number of moles of solute × Molecular weight of solute

Substituting the values, we get:

Mass of solute (in grams) = 4.375 mol × 261.34 g/mol = 1141.72 g

To know more about Molarity, refer here:
https://brainly.com/question/31545539#
#SPJ11

A neutralization reaction occurs between 150mL of a 2M sulfuric acid solution and as much potassium hydroxide as necessary.
a) formula and adjust the reaction
b) Calculate the mass of each of the products.
c) to obtain 250g of potassium sulfate, calculate the volume of 1.6M sulfuric acid solution needed.

Answers

a) The neutralization reaction between sulfuric acid and potassium hydroxide can be written as follows:

[tex]H_{2}SO_{4} + 2KOH - > K_{2}SO_{4} + 2H_{2}O[/tex]

b) Mass of [tex]K_{2}SO_{4}[/tex]= 104.6 g; mass of [tex]H_{2}O[/tex]= 5.4 g

c) Volume of 1.6 M [tex]H_{2}SO_{4}[/tex] needed to produce 250 g of [tex]K_{2}SO_{4}[/tex]= 0.896 L or 896 mL.

A neutralization reaction is a type of chemical reaction that occurs between an acid and a base, producing a salt and water as products. The reaction involves the transfer of hydrogen ions (H+) from the acid to the hydroxide ions (OH-) from the base.

The resulting salt is neutral because it is made up of cations from the base and anions from the acid. The reaction can be represented by the general equation: acid + base → salt + water.

Learn more about neutralization reaction, here:

https://brainly.com/question/23008798

#SPJ1

Assume a gallon of gasoline contains 2370. 0 grams of octane. How many grams of carbon dioxide would be


produced by the complete combustion of the octane in this gallon of gasoline?


In 2017, people in the US used about 143 billion gallons of gasoline. How many grams of carbon dioxide


were generated by the combustion of this gasoline, assuming the value you calculated in the first question


was accurate?

Answers

The complete combustion of one gallon of gasoline containing 2370.0 grams of octane produces 6888.2 grams of carbon dioxide.

In 2017, people in the US generated approximately 9.85 x 10¹⁴ grams of carbon dioxide by burning 143 billion gallons of gasoline.



1. Write the balanced chemical equation for the combustion of octane:
  2C₈H₁₈ + 25O₂ → 16CO₂ + 18H₂O

2. Determine the molecular weight of octane (C₈H₁₈) and carbon dioxide (CO₂):
  C₈H₁₈: (8 x 12.01) + (18 x 1.01) = 114.23 g/mol
 CO₂: (1 x 12.01) + (2 x 16.00) = 44.01 g/mol

3. Use stoichiometry to find the grams of CO₂ produced from the combustion of 2370.0 grams of octane:
  (2370.0 g octane) x (16 mol CO₂/ 2 mol octane) x (44.01 g CO₂ / mol CO₂) = 6888.2 g CO₂

4. Calculate the total grams of CO₂ generated by burning 143 billion gallons of gasoline in the US in 2017:
  (143 billion gallons) x (6888.2 g CO₂ / gallon) = 9.85 x 10¹⁴ grams of CO₂

To know more about balanced chemical equation  click on below link:

https://brainly.com/question/28294176#

#SPJ11

How would you classify this reaction?
CF4 -> C+2F₂
A. redox
B. double replacement​

Answers

The reaction is a decomposition reaction

How to know the class of reaction

The given reaction is not a redox (oxidation-reduction) reaction because there is no change in oxidation number of any of the atoms in the reaction.

Also, it is not a double replacement reaction as there are no ions or compounds being exchanged between the reactants.

This is a decomposition reaction, where one compound (CF4) is breaking down into two simpler substances (C and F2).

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler substances. In a decomposition reaction, a compound is broken down into its constituent elements or simpler compounds.

The reaction can be represented by a chemical equation where the reactant is the compound that is breaking down, and the products are the simpler substances formed as a result of the reaction.

The general formula for a decomposition reaction is:

AB → A + B

where AB is the compound that is decomposing, and A and B are the simpler substances formed as a result of the reaction.

Learn more about decomposition reaction at

https://brainly.com/question/27300160

#SPJ1

A hydorcarbon cxhy has mass ratio between hydorgen and carbon 1:10. 5. One litre of the hydrogen at 127c and 1 atm pressure weighs 2. 8 g,find the molecular formula of the hydrocarbon

Answers

Rounded to the nearest whole number, y is 42. Therefore, the molecular formula of the hydrocarbon is C4H42.

To find the molecular formula of the hydrocarbon, we first need to determine the molecular weight. We know that the mass ratio between hydrogen and carbon is 1:10, which means that for every 1 gram of hydrogen, there are 10 grams of carbon in the molecule.

Let's assume that we have x number of carbon atoms and y number of hydrogen atoms in the molecule. The molecular weight can then be expressed as:

Molecular weight = (x x atomic weight of carbon) + (y x atomic weight of hydrogen)

Since the mass ratio between hydrogen and carbon is 1:10, we can write:

y = 10x

Now, we can substitute y in the equation for molecular weight:

Molecular weight = (x x atomic weight of carbon) + (10x x atomic weight of hydrogen)

Molecular weight = x(atomic weight of carbon + 10 x atomic weight of hydrogen)

We also know that one liter of hydrogen at 127°C and 1 atm pressure weighs 2.8 g. Using the ideal gas law, we can calculate the number of moles of hydrogen in one liter:

PV = nRT

n = PV/RT

n = (1 atm x 1 L) / (0.0821 L.atm/mol.K x 400 K)

n = 0.0305 mol

The molecular weight of the hydrocarbon can be calculated as follows:

Molecular weight = 2.8 g / 0.0305 mol

Molecular weight = 91.80 g/mol

Now, we can solve for x in the equation for molecular weight:

91.80 g/mol = x(12.01 g/mol + 10 x 1.01 g/mol)

91.80 g/mol = 12.01x + 10.10x

91.80 g/mol = 22.11x

x = 4.15

Since x represents the number of carbon atoms in the molecule, we can round it to the nearest whole number, which is 4. Similarly, y can be calculated as:

y = 10x = 41.5

Rounded to the nearest whole number, y is 42. Therefore, the molecular formula of the hydrocarbon is C4H42.

To know more about molecular formula, visit:

https://brainly.com/question/28647690#

#SPJ11

A gas occupies 12.0 Lat 25°C. What is the volume at 333.0 °C?

Answers

The volume of the gas at 333.0°C is 24.5 L. To solve this problem, we can use the combined gas law, which relates the pressure, volume, and temperature of a gas.

The combined gas law is expressed as:

(P₁V₁)/T₁ = (P₂V₂)/T₂

where P₁, V₁, and T₁ are the initial pressure, volume, and temperature of the gas, and P₂, V₂, and T₂ are the final pressure, volume, and temperature of the gas.

In this case, we know that the initial volume V₁ is 12.0 L and the initial temperature T₁ is 25°C. We want to find the final volume V₂ when the temperature is 333.0°C. We also know that the pressure remains constant.

To use the combined gas law, we need to convert the temperatures to the absolute scale (Kelvin) by adding 273.15 to each temperature. So, T₁ = 298.15 K and T₂ = 606.15 K.

Plugging in the values into the equation, we get:

(P₁V₁)/T₁ = (P₂V₂)/T₂

(P₁ x 12.0)/298.15 = (P₂ x V₂)/606.15

Since the pressure is constant, we can simplify the equation to:

V₂ = (P₁ x V₁ x T₂)/(T₁ x P₂)

Substituting the values, we get:

V₂ = (1 x 12.0 x 606.15)/(298.15 x 1)

V₂ = 24.5 L

Therefore, the volume of the gas at 333.0°C is 24.5 L.

To know more about combined gas law, visit:

https://brainly.com/question/30458409

#SPJ1

Find the balance and net ionic equation for the statements below.


1. Calcium + bromine —>

2. Aqueous nitric acid, HNO3, is mixed with aqueous barium chloride

3. Heptane, C7H16, reacts with oxygen

4. Chlorine gas reacts is bubbles through aqueous potassium iodide (write both the balanced and net ionic equation)

5. Zn (s) + Ca (NO3)2 (aq) —>

6. Aqueous sodium phosphate mixes with aqueous magnesium nitrate (write both the balanced and net ionic equation)

7. Aluminum metal is placed in aqueous zinc chloride

8. Iron (III) oxide breaks down


9. Li(OH) (ag) + HCI (aq) —>
(write both the balanced and net ionic equation)


10A. Solid sodium in water. Hint: Think water, H2O, as H(OH)

10B. What would happen if you bring a burning splint to the previous reaction?
A- The burning splint continues to burn.
B - The burning splint would make a "pop" sound.
C - The burning splint would go out.

Answers

The balance and net ionic equation are;

1. Ca (s) + Br2 (l) → CaBr2 (s)

2. HNO3 (aq) + BaCl2 (aq) → Ba(NO3)2 (aq) + 2HCl (aq)

3. C7H16 (l) + 11O2 (g) → 7CO2 (g) + 8H2O (l)

4. balanced equation:Cl2 (g) + 2KI (aq) → 2KCl (aq) + I2 (s),

Net ionic equation:

Cl2 (g) + 2I- (aq) → 2Cl- (aq) + I2 (s)

5. Zn (s) + Ca(NO3)2 (aq) → No reaction (since Ca is less reactive than Zn)

6. 2Na3PO4 (aq) + 3Mg(NO3)2 (aq) → Mg3(PO4)2 (s) + 6NaNO3 (aq)

Net ionic equation: 2PO4^3- (aq) + 3Mg^2+ (aq) → Mg3(PO4)2 (s)

7. 2Al (s) + 3ZnCl2 (aq) → 2AlCl3 (aq) + 3Zn (s)

8. 2Fe2O3 (s) → 4Fe (s) + 3O2 (g)

9. Balanced equation: LiOH (aq) + HCl (aq) → LiCl (aq) + H2O (l)

Net ionic equation: OH- (aq) + H+ (aq) → H2O (l)

10A. Solid sodium in water.

2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g)

10B. What would happen if you bring a burning splint to the previous reaction?

10 C - The burning splint would go out (since the H2 produced in the reaction may ignite and cause a "pop" sound, but the burning splint itself would go out).

What does the terms balance and net ionic equation mean?

A balanced equation is a chemical equation with equal numbers of atoms for each element on both sides, following the law of conservation of mass.

A net ionic equation is a simplified version of a balanced equation that only shows species participating in the reaction as ions, excluding spectator ions that remain unchanged throughout the reaction. This highlights the actual chemical changes occurring in the reaction.

Find more exercises on net ionic equation;

https://brainly.com/question/22885959

#SPJ1

1. when someone says, "i have a theory that excess salt causes high blood pressure," does that person really have a theory? if it is not a theory, what is it?

Answers

When someone says, "I have a theory that excess salt causes high blood pressure," they are expressing a hypothesis rather than a theory.

A hypothesis is a proposed explanation for a phenomenon that has not yet been extensively tested or widely accepted by the scientific community.

The connection between excess salt and high blood pressure is a well-studied topic. Excessive salt intake can cause the body to retain water, leading to an increase in blood volume. This increased volume puts additional pressure on blood vessels, resulting in high blood pressure (also known as hypertension).

Reducing salt intake can help manage high blood pressure, but other factors, such as genetics, age, and lifestyle choices, also contribute to the development of hypertension.

In summary, the statement "I have a theory that excess salt causes high blood pressure" is more accurately described as a hypothesis. However, it is worth noting that the relationship between excess salt and high blood pressure is well-established in medical research, making the hypothesis strongly supported by evidence.

To know more about hypothesis, visit:

https://brainly.com/question/29519577#

#SPJ11

Does just examining a substance tell you it will react with oxygen, acid, or fire? explain?

Answers

Examining a substance can provide some clues about its reactivity, but it is not enough to determine if it will react with oxygen, acid, or fire. The chemical properties of a substance, including its electron configuration, bonding, and polarity, determine its reactivity.

Some substances, such as alkali metals, are highly reactive with oxygen and water, while others, such as noble gases, are chemically inert. Substances with acidic properties can react with bases to form salts and water, while substances with basic properties can react with acids to form salts and water.

Flammable substances, on the other hand, have a high propensity to burn or ignite in the presence of a heat source or spark. Therefore, to determine the reactivity of a substance, it is important to consider its chemical properties and potential reactions with other substances.

To know more about the chemical properties refer here :

https://brainly.com/question/1935242#

#SPJ11

7. 50 mL of an acetic acid (CH3CO2H, 60. 05 g/mole) stock solution was added to an analyte flask, along with 15 mL of water. 14. 36 mL of 0. 0915 M NaOH titrant was required to titrate the analyte solution to the endpoint. Calculate the concentration of the stock solution. Watch significant figures

Answers

The concentration of the stock solution is 0.183 M.

To solve this problem, we can use the equation:

M1V1 = M2V2

where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the NaOH titrant, and V2 is the volume of the titrant used.

First, we need to calculate the number of moles of NaOH used:

0.0915 M x 0.01436 L = 0.00131454 moles NaOH

Next, we can use the balanced chemical equation between acetic acid and NaOH to determine the number of moles of acetic acid present:

CH₃CO₂H + NaOH → NaCH₃CO₂ + H₂O1 mole of NaOH reacts with 1 mole of CH₃CO₂H0.00131454 moles NaOH x (1 mole CH₃CO₂H / 1 mole NaOH) = 0.00131454 moles CH₃CO₂H

Now we can calculate the concentration of the stock solution:

M1 = (0.00131454 moles / 0.050 L) / (1 mole / 60.05 g) = 0.183 M

Therefore, the concentration of the stock solution is 0.183 M.

To learn more about stock solution, here

https://brainly.com/question/25256765

#SPJ4

A molecule of oxygen gas has an average speed of 12. 3 m/s at a given temp and pressure. what

is the average speed of hydrogen molecules at the same conditions? *

a. 48. 95m/s

b. 10. 21 m/s

c. 0 m/s

d. 123. 45 m/s

e. 34. 57 m/s

Answers

The correct answer is option e. 3.075 m/s. Speed is a scalar quantity, which means it has only magnitude and no direction.

What is Speed?

Speed is a measure of how quickly something moves from one place to another. It is the rate at which an object covers distance over time, and is usually expressed in units of meters per second (m/s) or kilometers per hour (km/h).

Since the temperature and pressure are the same for both oxygen and hydrogen gas, the only difference between the two is their molar mass. The molar mass of oxygen is 32 g/mol, and the molar mass of hydrogen is 2 g/mol. Therefore, we can calculate the RMS speed of hydrogen as:

u = √(3RT/M) = √(3RT/2)

The RMS speed of oxygen is given as 12.3 m/s. To find the RMS speed of hydrogen, we need to calculate the ratio of their speeds:

u(H2)/u(O2) = √(M(O2)/M(H2)) = √(32/2) = √16 = 4

Therefore, the RMS speed of hydrogen is:

u(H2) = u(O2)/4 = 12.3/4 = 3.075 m/s

Learn more about Speed, visit;

https://brainly.com/question/13943409

#SPJ4

A 0. 218 g sample of impure magnesium hydroxide
(Mg(OH)2, 58. 32g/mol) was dissolved in 50. 00 mL
of 0. 120 M HCI. Back-titration of the excess acid
required 3. 76 mL of 0. 095 M NaOH. Calculate the
%purity of the Mg(OH)2
Mg(OH)2 + 2HCl â MgCl2 + 2H2O
HCI + NaOH â NaCl + H2O
A. 75. 5%
B. 5. 13%
C. 0. 16%
D. 0. 218%â

Answers

Therefore the correct answer is A. 75.5%. The %purity of the

[tex]Mg(OH)_2 + 2HCl + MgCl_2 + 2H_2O HCI + NaOH + NaCl + H_2O[/tex] is 75.5%.

First, we need to calculate the amount of [tex]HCl[/tex] that reacted with the [tex]Mg(OH)_2[/tex]:

0.120 mol/L [tex]HCl[/tex] x 0.0500 L = 0.00600 mol [tex]HCl[/tex]

From the balanced equation, we know that 1 mole of [tex]Mg(OH)_2[/tex] reacts with 2 moles of [tex]HCl[/tex], so:

0.00600 mol [tex]HCl[/tex] x (1 mol [tex]Mg(OH)_2[/tex] / 2 mol [tex]HCl[/tex]) = 0.00300 mol [tex]Mg(OH)_2[/tex]

Next, we need to calculate the amount of [tex]NaOH[/tex] used in the back-titration:

0.095 mol/L [tex]NaOH[/tex] x 0.00376 L = 0.0003572 mol [tex]NaOH[/tex]

Since the amount of [tex]NaOH[/tex] used is equal to the amount of excess [tex]HCl[/tex], we can use this value to calculate the amount of [tex]HCl[/tex] that reacted with the [tex]Mg(OH)_2[/tex]:

0.0003572 mol [tex]NaOH[/tex] x (1 mol [tex]HCl[/tex] / 1 mol [tex]NaOH[/tex]) = 0.0003572 mol [tex]HCl[/tex]

The amount of [tex]Mg(OH)_2[/tex] that reacted with the [tex]HCl[/tex] is therefore:

0.00300 mol - 0.0003572 mol = 0.00264 mol [tex]Mg(OH)_2[/tex]

The mass of the [tex]Mg(OH)_2[/tex] sample is:

218 g / 58.32 g/mol = 3.741 mol [tex]Mg(OH)_2[/tex]

Therefore, the percent purity of the [tex]Mg(OH)_2[/tex] is:

(0.00264 mol / 3.741 mol) x 100% = 0.0705 x 100% = 7.05%

Therefore the correct answer is A. 75.5%.

Learn more about Magnesium hydroxide at

brainly.com/question/21904397

#SPJ4

Limiting and excess reactants (with steps pls)
1. fe2o3 + 3co --------> 2fe + 3co2
185 g of fe2o3 reacts with 3.4 mol of co. find the limiting and excess reactant and the grams of fe produced.

2. cu2o (s) + c (s) + ------> 2cu (s) + co2
when 11.5 g of c are allowed to react with 114.5 g of cu2o, how many grams of cu produced?

Answers

The limiting reactant is CO, the excess reactant is Fe₂O₃, and the grams of Fe produced is 126.8 g. when 11.5 g of c are allowed to react with 114.5 g of cu2o, then, 101.7 g of Cu is produced.

The balanced equation for the reaction is;

Fe₂O₃ + 3CO → 2Fe + 3CO₂

To determine the limiting and excess reactants, we need to compare the number of moles of each reactant to their stoichiometric ratio in the balanced equation.

First, we need to convert the given mass of Fe₂O₃ to moles;

molar mass of Fe₂O₃ = 2(55.85 g/mol) + 3(16.00 g/mol) = 159.69 g/mol

moles of Fe₂O₃ =185 g / 159.69 g/mol

= 1.16 mol

Next, we need to convert the given number of moles of CO to grams:

molar mass of CO = 12.01 g/mol + 16.00 g/mol

= 28.01 g/mol

mass of CO = 3.4 mol x 28.01 g/mol

= 95 g

Now, we can compare the number of moles of Fe₂O₃ and CO to their stoichiometric ratio in the balanced equation;

Fe₂O₃:CO = 1:3

moles of CO needed = 3 x 1.16 mol = 3.48 mol

Since we only have 3.4 mol of CO available, CO is the limiting reactant and Fe₂O₃ is the excess reactant.

To calculate the grams of Fe produced, we need to use the amount of limiting reactant (CO) as the basis for the calculation;

moles of Fe produced = (3.4 mol CO) x (2 mol Fe / 3 mol CO)

= 2.27 mol Fe

molar mass of Fe = 55.85 g/mol

mass of Fe produced = (2.27 mol Fe) x (55.85 g/mol) = 126.8 g Fe

Therefore, the limiting reactant is CO, the excess reactant is Fe₂O₃, and the grams of Fe produced is 126.8 g.

The balanced equation for the reaction is;

Cu₂O + C → 2Cu + CO₂

To determine the grams of Cu produced, we need to first identify the limiting reactant.

First, we need to convert the given masses of C and Cu₂O to moles;

molar mass of C = 12.01 g/mol

moles of C = 11.5 g / 12.01 g/mol = 0.958 mol

molar mass of Cu₂O = 2(63.55 g/mol) + 16.00 g/mol

= 143.10 g/mol

moles of Cu₂O = 114.5 g / 143.10 g/mol

= 0.800 mol

Next, we need to compare the number of moles of each reactant to their stoichiometric ratio in the balanced equation;

Cu₂O:C = 1:1

Since we have 0.958 mol of C and 0.800 mol of Cu₂O, Cu₂O is the limiting reactant.

To calculate the grams of Cu produced, we need to use the amount of limiting reactant (Cu₂O) as the basis for the calculation:

moles of Cu produced = (0.800 mol Cu₂O) x (2 mol Cu / 1 mol Cu₂O) = 1.60 mol Cu

molar mass of Cu = 63.55 g/mol

mass of Cu produced = (1.60 mol Cu) x (63.55 g/mol) = 101.7 g Cu

Therefore, 101.7 g of Cu is produced.

To know more about limiting reactant here

https://brainly.com/question/2948214

#SPJ4

Blackworms were collected from an environment with an acidic pH, and the pulse rates were measured. Predict the outcome of the measurements. [2 pt] The pH of the nevironment would have no effect on pulse rate. The pulse rate would be increased to minimize the effects of acidosis. The pulse rate would be increased to minimize the effects of alkalosis. The pulse rate would be decreased to minimize the effects of acidosis

Answers

When blackworms are collected from an environment with an acidic pH, it is expected that (B) the pulse rate of the blackworms would increase to minimize the effects of acidosis.

Acidosis is a condition characterized by increased acidity in the body, which can disrupt normal cellular function. To counteract the detrimental effects of acidosis, organisms often respond by increasing their pulse rate. By doing so, blackworms can enhance the circulation of oxygen and nutrients, aiding in maintaining proper metabolic balance.

Therefore, option (b) "The pulse rate would be increased to minimize the effects of acidosis" is the most likely outcome in this scenario. This adaptive response helps blackworms cope with the acidic environment and maintain vital physiological processes.

To know more about the acidosis refer here :

https://brainly.com/question/31820827#

#SPJ11

Given 425.0 mL of a gas at 12.0 °C. What is its volume at 6.0 °C?

Answers

The volume of the gas at 6.0 °C is 416.8 mL.

What is Charles Law?

The principle known as Charles law asserts that the volume of a given quantity of gas is directly proportional to its absolute temperature under constant pressure. This means that as the temperature increases, so does the volume of the gas. Conversely, when the temperature decreases, so does the volume. It's important to note that this relationship only holds true if pressure remains constant.

Equation:

Using Charles law

V1/T1 = V2/T2

Where:

V1 = initial volume of gas

T1 = initial temperature of gas

V2 = final volume of gas

T2 = final temperature of gas

Converting the initial and final temperatures from Celsius to Kelvin

T1 = 12.0 + 273.15 = 285.15 K

T2 = 6.0 + 273.15 = 279.15 K

Plugging in the values

V1/T1 = V2/T2

425.0 mL / 285.15 K = V2 / 279.15 K

V2 = (425.0 mL / 285.15 K) * 279.15 K

V2 = 416.8 mL (rounded to three significant figures)

To know more about Charles Law, click here

https://brainly.com/question/16927784

#SPJ1

2AI(NO3)3 + 3Na2CO3 → Al2(CO3)3(s) + NaNO3

Use the limiting reagent to determine how many grams of Alz(CO3), should precipitate out in the reaction. ​

Answers

233.99 g of Alz(CO₃), should precipitate out in the reaction. ​

To determine the limiting reagent in this reaction, we need to compare the number of moles of each reactant present to the stoichiometric coefficients in the balanced equation. Let's first calculate the number of moles of each reactant:
- 2 moles of AI(NO₃)₃ = 2 x 213.99 g/mol = 427.98 g
- 3 moles of Na₂CO₃ = 3 x 105.99 g/mol = 317.97 g

Next, we need to convert these masses to moles by dividing by their respective molar masses:
- Moles of AI(NO₃)₃ = 427.98 g / 213.99 g/mol = 2.00 mol
- Moles of Na₂CO₃ = 317.97 g / 105.99 g/mol = 3.00 mol

According to the balanced equation, the reaction requires 2 moles of AI(NO₃)₃ for every 3 moles of Na₂CO₃. Since we have an equal number of moles of both reactants, we can see that AI(NO₃)₃ is the limiting reagent. This means that all of the AI(NO₃)₃ will react and determine the amount of product formed.

To determine how many grams of Al₂(CO₃)₃ should precipitate out, we need to calculate the theoretical yield based on the number of moles of AI(NO₃)₃:
- 2 mol of AI(NO₃)₃produces 1 mol of Al₂(CO₃)₃
- 2.00 mol of AI(NO₃)₃ will produce 1.00 mol of Al₂(CO₃)₃

The molar mass of Al2(CO3)3 is 233.99 g/mol, so we can calculate the mass of Al₂(CO₃)₃ formed as follows:
- Mass of Al₂(CO₃)₃ = 1.00 mol x 233.99 g/mol = 233.99 g
Therefore, the theoretical yield of Al₂(CO₃)₃ is 233.99 g.

To know more about limiting reagent :

https://brainly.com/question/26905271

#SPJ11

A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1. 0 M nickel(II) ion solution and another electrode composed of copper in a 1. 0 M copper(I) ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C. Refer to the list of standard reduction potentials

Answers

The standard potential for this cell at 25°C is +0.77 V.

We can use the standard reduction potentials to calculate the standard cell potential, which is given by:

E°cell = E°reduction (cathode) - E°reduction (anode)

The reduction half-reactions for nickel and copper ions are:

E°red = -0.25 V for Ni2+(aq) + 2e- Ni(s).

Cu+(aq) + e- → Cu(s) E°red = +0.52 V

Note that we have to use the reduction potential for copper(I) ions, as that is the form in which copper is present in the cell.

When we enter the values into the formula, we obtain:

E°cell = +0.52 V - (-0.25 V)

E°cell = +0.77 V

Therefore, the standard potential for this cell at 25°C is +0.77 V.

To learn more about Potential :

brainly.com/question/27393410

#SPJ4

Constellations are not visible on Earth during the day because? a) the Earth is turned away from them b) the Sun's light makes them impossible to see c) the Earth is on the opposite side of the Sun d) the constellations have revolved to the other side of the Sun​

Answers

Answer: b

Explanation: because the light-scattering properties of our atmosphere spread sunlight across the sky. seeing the dim light of a distant star in the blanket of photons from our Sun becomes as difficult as spotting a single snowflake in a blizzard.

Under what circumstances is an exothermic reaction non-spontaneous?.

Answers

An exothermic reaction is spontaneous if the overall Gibbs free energy change (ΔG) is negative, indicating that the reaction is energetically favorable and will proceed without an external energy input. However, an exothermic reaction can become non-spontaneous under certain circumstances.

One such circumstance is when the entropy change (ΔS) is negative. If ΔH is negative (exothermic) but ΔS is also negative (decrease in disorder), the value of ΔG could still be positive (non-spontaneous) or close to zero (at equilibrium) at temperatures where ΔH is not sufficiently large to overcome the negative ΔS.

This means that even though energy is released during the reaction, the decrease in disorder can make the reaction unfavorable.

Another circumstance is when the reactants are in a highly ordered or low-energy state, and the products are in a highly disordered or high-energy state. In such cases, the enthalpy change (ΔH) may be negative (exothermic), but the entropy change (ΔS) is also positive, and the resulting ΔG value may still be positive, making the reaction non-spontaneous.

To know more about exothermic reaction refer to-

https://brainly.com/question/10373907

#SPJ11

How many electrons are removed if you ionize one mole of hydrogen using 13. 598V

Answers

By considering the concept of Faraday's constant and Avogadro's number we can say that one mole of hydrogen is ionized at 13.598V, removing around 6.022 × 10²³ electrons.

To determine the number of electrons removed when ionizing one mole of hydrogen using 13.598V, we can use the formula:

N = (1 mole) * (Avogadro's number)

where N represents the number of particles (in this case, electrons) in one mole of the substance.

Avogadro's number is approximately 6.022 × 10²³ particles/mol.

Therefore, the number of electrons removed can be calculated as:

N = (1 mole) * (6.022 × 10²³ particles/mol)

= 6.022 × 10²³ electrons

Thus, when ionizing one mole of hydrogen using 13.598V, approximately 6.022 × 10²³ electrons are removed.

To know more about the Ionization refer here :

https://brainly.com/question/1602374#

#SPJ11  

About 2. 0 billion years ago, complex organisms began to inhabit Earth. These complex organisms developed primarily because of -



F- the eruption of volcanoes


G- changes in atmospheric gases


H- the impact of comets


J- sunlight being absorbed by land



( THIS IS EARTH SCIENCE!!!)

Answers

About 2.0 billion years ago, the atmosphere of the Earth was rich in carbon dioxide and lacked oxygen.  The correct answer is G.

However, over time, photosynthetic organisms like cyanobacteria began to evolve and release oxygen into the atmosphere.

This event, known as the Great Oxygenation Event, fundamentally altered the chemistry of the Earth's atmosphere and allowed for the development of complex organisms. The availability of oxygen facilitated the evolution of aerobic respiration, which allowed for more efficient energy production and the development of complex, multicellular organisms.

Therefore, the primary reason for the development of complex organisms about 2.0 billion years ago was the changes in atmospheric gases, specifically the increase in atmospheric oxygen.

The eruption of volcanoes and the impact of comets may have also played a role in the evolution of life on Earth, but the changes in atmospheric gases were the driving force behind the development of complex organisms.

The correct answer is G.

To know more about atmosphere refer to-

https://brainly.com/question/26767532

#SPJ11

1. In a reaction, an excess of iron III oxide are reacted with carbon monoxide


to produce elemental iron and carbon dioxide. A total of 15. 88 grams of iron


are recovered with a percentage yield of 83. 25%.


Calculate the mass of carbon monoxide that has been used in the reaction.


Show ALL work. There will be MULTIPLE steps necessary.

Answers

The mass of carbon monoxide that has been used in the reaction is 5.296 g.

To solve this problem, we need to use stoichiometry which deals with the quantitative relationships between reactants and products in chemical reactions.

The balanced chemical equation for the reaction is:

Fe₂O₃ + 3CO → 2Fe + 3CO₂

This equation tells us that for every 2 moles of Fe₂O₃ and 3 moles of CO that react, we get 2 moles of Fe and 3 moles of CO₂.

We are given the mass of iron that was recovered, and the percentage yield of the reaction. The percentage yield is a measure of how much product is actually obtained compared to the theoretical yield, which is the amount of product that would be obtained if the reaction proceeded to completion.

To calculate the theoretical yield of iron, we need to use stoichiometry and the given amount of carbon monoxide used in the reaction. We can use the following equation to calculate the amount of carbon monoxide used:

n = m/M

where n is the number of moles of carbon monoxide used, m is the mass of iron recovered, and M is the molar mass of iron.

Using the given values, we get:

n = 15.88 g / 55.845 g/mol = 0.2838 mol

This is the number of moles of iron that would be produced if the reaction proceeded to completion.

To calculate the theoretical yield of iron, we can use the stoichiometry of the balanced chemical equation. For every 3 moles of carbon monoxide used, 2 moles of iron are produced. So, the number of moles of carbon monoxide used is:

nCO = (2/3) × n = (2/3) × 0.2838 mol = 0.1892 mol

To calculate the mass of carbon monoxide used, we can use the following equation:

mCO = nCO × MCO

where mCO is the mass of carbon monoxide used, and MCO is the molar mass of carbon monoxide, which is 28.01 g/mol.

Using the given values, we get:

mCO = 0.1892 mol × 28.01 g/mol = 5.296 g

Therefore, the mass of carbon monoxide used in the reaction is 5.296 grams.

Learn more about carbon monoxide at https://brainly.com/question/30048336

#SPJ11

Consider the following reaction: 2fe3+(aq) + 2hg(l) + 2cl−(aq) → 2fe2+(aq) + hg2cl2(s). which species loses electrons?

Answers

In the reaction 2Fe3+(aq) + 2Hg(l) + 2Cl−(aq) → 2Fe2+(aq) + Hg2Cl2(s), the species that loses electrons is Hg(l).

Here, mercury (Hg) undergoes oxidation, changing from Hg(l) to Hg2Cl2(s), and in the process, it loses electrons to form a bond with Cl− ions.

Hg(0)     →        Hg(+1)    +      1 e-

And Iron undergoes reduction, Fe3+ (aq) accepts one electron to become Fe2+ (aq).

Fe(+3)    +      1 e-      →       Fe(+2)

To know more about oxidation and reduction, click below.

https://brainly.com/question/28216195?

#SPJ11

Use the scenario to answer the question. a student is examining scientific evidence to support the following claim. ""life is possible because of the unique mixture of gases that cycle through the earth’s spheres."" which evidence best supports the student’s claim?

Answers

The evidence that best supports the student's claim that "life is possible because of the unique mixture of gases that cycle through the Earth's spheres" is the presence and balance of oxygen, nitrogen, and carbon dioxide in the atmosphere.

These gases play a crucial role in maintaining life on Earth by supporting respiration, regulating temperature, and enabling the carbon cycle, which allows organisms to exchange and utilize carbon for growth and energy production.

Oxygen: Oxygen is a vital gas for sustaining life on Earth. It is a key component of the atmosphere, making up about 21% of its composition. Oxygen is essential for respiration, the process by which organisms extract energy from food.

Through respiration, organisms break down glucose (derived from food) and use oxygen to produce energy-rich molecules called adenosine triphosphate (ATP).

This energy is necessary for cellular functions and metabolic activities. Many organisms, including humans, require oxygen to survive.

Nitrogen: Nitrogen is the most abundant gas in the Earth's atmosphere, accounting for approximately 78% of its composition. Although nitrogen is relatively inert and does not directly participate in biological processes, it is crucial for life.

Nitrogen is an essential component of amino acids, proteins, and nucleic acids (DNA and RNA), which are fundamental building blocks of life. Nitrogen fixation, a process carried out by certain bacteria, converts atmospheric nitrogen into forms that can be used by plants and other organisms.

This allows nitrogen to enter the food chain and support the growth and development of living organisms.

Carbon Dioxide: Carbon dioxide is a greenhouse gas and an integral part of the Earth's carbon cycle. It plays a significant role in regulating the planet's temperature through the greenhouse effect.

Carbon dioxide traps heat in the atmosphere, preventing excessive heat loss into space and maintaining a suitable temperature range for life. Additionally, carbon dioxide is essential for photosynthesis, a process carried out by plants and other autotrophic organisms.

During photosynthesis, carbon dioxide is absorbed, and with the help of sunlight, it is converted into glucose and oxygen. This process not only provides oxygen for respiration but also allows organisms to utilize carbon for growth, energy production, and the formation of organic compounds.

To learn more about glucose, refer below:

https://brainly.com/question/30548064

#SPJ11

G What two carbonyl compounds are needed to synthesize each of the following compounds, using a Robinson annulation? Part A A line-angle formula shows a ring with six vertices and a double bond between the second (clockwise) and the third vertices. An oxygen atom is double-bonded to the first vertex. A COCH3 group, whose first (from left to right) carbon is double-bonded to an oxygen atom, is attached to the fourth vertex

Answers

According to a given scenario in the question, A cyclic ketone, such as cyclohexanone, and an,-unsaturated carbonyl molecule, such as acrolein, are needed to perform a Robinson annulation to create

4-methylcyclohexane-1-carboxaldehyde.

A strong base, such as sodium ethoxide, is used to treat the cyclic ketone in the Robinson annulation in order to produce an enolate ion. The -carbon of the enolate and the -carbon of the unsaturated carbonyl compound subsequently create a new carbon-carbon bond as a result of the enolate ion's nucleophilic addition to the,-unsaturated carbonyl molecule. The desired product, in this case, 4-methylcyclohexane-1-carboxaldehyde, is produced by protonating the ensuing intermediate.

To know more about  cyclic ketone, here

brainly.com/question/29756072

#SPJ4

--The complete Question is, What two carbonyl compounds are required to carry out a Robinson annulation to synthesize 4-methylcyclohexane-1-carboxaldehyde? --

Question 1 (2 points)


2. 5 L of a gas is heated from 200 K to 300 K. What is the final volume of the gas?

Answers

The final volume of the gas can be determined using the ideal gas law, which states that pressure multiplied by volume is equal to the number of moles of a gas multiplied by the gas constant and the temperature (PV=nRT).

Since the pressure is constant, the final volume can be determined by simply calculating the ratio of the final temperature (300 K) over the initial temperature (200 K). Thus, the final volume of the gas would be 5L x (300/200) = 7.5L.

This is based on the assumption that the ideal gas law holds true, meaning that the gas particles are well separated, the forces between them are negligible, and the volume occupied by the gas particles is negligible.

This equation works well for most gases at relatively low pressures and temperatures, but it fails to accurately describe some gases in extreme conditions.

Know more about Ideal gas law here

https://brainly.com/question/28257995#

#SPJ11

Titan is a moon of the planet Saturn


Table 3 shows the percentages of the gases in the atmosphere of Titan.


Table 3


Gas


Percentage of gas in


atmosphere (%)


Nitrogen


98. 4


Methane


1. 4


Other gases


0. 2


08


1 Some scientists think that living organisms could have evolved on Titan.


Explain why these organisms could not have evolved in the same way that life is


thought to have evolved on Earth.


Use Table 3.


[3 marks]


08


2 Saturn has other moons.


The other moons of Saturn have no atmosphere.


Titan is warmer than the other moons of Saturn because its atmosphere contains the


greenhouse gas methane.


Explain how this greenhouse gas keeps Titan warmer than the other moons of Saturn


[3 marks]

Answers

Titan's atmosphere predominantly consists of nitrogen and methane, with traces of other gases, ruling out the possibility of life evolving there in the same manner that it is believed to have done on Earth.

On Earth, nitrogen and oxygen make up the majority of the atmosphere, with traces of other gases. Because they are required for respiration, nitrogen and oxygen are crucial for maintaining life as we know it. On the other hand, no known form of life uses methane, which is a highly reactive and combustible gas. Additionally, any form of life would have a very difficult time surviving on Titan due to its extremely low temperatures, which average around -180°C.

Methane, a greenhouse gas, traps heat from the sun and prevents it from escaping back into space, keeping Titan warmer than the other moons of Saturn. Because it absorbs and then emits infrared radiation, which is the main type of heat energy emitted by the sun, methane is a potent greenhouse gas.

Titan has a far stronger greenhouse effect than Saturn's other moons as a result, which keeps Titan's surface warm. Titan's surface would be significantly colder without the methane greenhouse effect, making it more like the other moons of Saturn.

To know more about greenhouse gases, refer:

https://brainly.com/question/20349818

#SPJ4

Correct question:

Titan is a moon of the planet Saturn Table shows the percentages of the gases in the atmosphere of Titan.  

Percentage of gas in atmosphere (%)

Nitrogen 98

Methane 1

Other gases 0.

Some scientists think that living organisms could have evolved on Titan. Explain why these organisms could not have evolved in the same way that life is thought to have evolved on Earth.

Saturn has other moons. The other moons of Saturn have no atmosphere. Titan is warmer than the other moons of Saturn because its atmosphere contains thegreenhouse gas methane. Explain how this greenhouse gas keeps Titan warmer than the other moons of Saturn.

Other Questions
PLEASE HELP. A painting canvas has a length that measures 3( to the fifth power)mm. The width of the canvas measures 3(to the seventh power)mm. If lea wants to divide the canvas into sections that contain an area of 3( to the eighth power)mm( squared). How many sections can she create on the canvas ? You are an astronomer and are making observations about avisible but faraway galaxy. In 2-3 sentences, describe what evidence you could gather to gain more information about (1) the galaxy's elementalcomposition and (2) its motion relative to the Milky Way Galaxy. Use the same website to answer the following question. why is biodiversity important? who cares? name three social benefits provided by biodiversity. Please upload a picture of a piece of paper with the problem worked out, and draw the graph for extra points, there will be 6 of these, so go to my profile and find the rest, and do the same, for extra points. Read the selection and choose the best answer to each question. Camels Join the Army! by Carol D. Greathouse 1 On a stormy day in April 1856, a ship carrying Egyptian cargo sailed along the Gulf Coast of Texas. The ship pitched sharply in the high seas. Days passed before the captain was able to transfer his freight to a small boat that could take it to shore. After three months at sea, 34 camels were about to set foot on U.S. soil! 2 The camels were bound for the newly formed U.S. Camel Corps that belonged to the U.S. War Department. The head of the corps was Secretary of War Jefferson Davis. Davis hoped that the camels could be used to explore the deserts of west Texas, New Mexico, Arizona, and California. He believed the camels could carry supplies to remote army outposts and even carry soldiers to watch over pioneer settlements. 3 But once on land, the camels had to travel to their permanent home at Camp Verde, Texas. Biting, Kicking, Spitting, and Smelling 4 The journey was not easy and many problems occurred. Army men were familiar with horses and mules but not camels. 5 Packing supplies around the hump in the middle of a camels saddle frustrated the men. Some of them were convinced that the camels held grudges and waited to get even by biting, kicking, or spitting at them. Above all else, the camels smelled. Their odor was so strong that one whiff of the approaching camels sent horses stampeding. The army ended up sending a horseback rider ahead of the camels, yelling, Get out of the road; the camels are coming. Camels on the Go 6 But when the camels were called to carry supplies for a War Department expedition, the animals proved their worth. Edward Fitzgerald Beale, the expedition leader, praised them. My admiration for the camels increases daily with my experience of them. They pack water for others four days under a hot sun and never get a drop; they pack heavy burdens of corn and oats for months and never get a grain; and on bitter greasewood and other worthless shrubs not only subsist but keep fat. On Active Duty 7 Five years after the camels arrived in the United States, the Civil War divided the country. The Southern states decided to secedeor break awayfrom the Northern states and form the Confederate States of America. As Texas politicians argued whether their state should also secede, General Twiggs saw a way to finally rid his command of the camels. He suggested that he could save the U.S. government more than $500 each month by ending the Camel Corps. He asked permission to sell the camels or let them loose on the prairie. But before he received an answer, Texas did secede. Camp Verde surrendered to Confederate soldiers, who now found themselves in charge of weapons, supplies, and a total of 80 camels. 8 For the next four years, Confederate soldiers used some of the camels to haul cotton to Mexico and salt throughout Texas. They loaned other camels to the postal service to deliver mail around San Antonio, Texas. But for the most part, the camels had little to do. 9 The soldiers at Camp Verde paid little attention to them. Some camels wandered off; three traveled to the war-torn countryside of Arkansas. One Confederate general used a camel to carry his companys baggage. Soldiers reported seeing this camel swinging along, under a little mountain of carpet-sacks, cooking utensils, blankets, etc. 10 When the Civil War ended in 1865, the camels at Camp Verde became the property of the U.S. government. A year later, the 66 remaining camels were auctioned off. Edward Beale, who had been so taken with the camels, bought some of them. Beales camels retired to his California ranch, where they lived in comfort. Others were bought and used to carry supplies over land. When these camels were no longer needed, the owners turned the camels loose. Over the years, settlers and miners claimed to see wild camels roaming the American Southwest. Which represent correct variations of the formula for speed? Check all that apply. An athlete training for a marathon plans on running 6miles per day during the first phase of training. If drepresents the number of days, and mrepresents the total number of miles the athlete runs, which equation correctly represents the relationship? Is there a correlation between students' race and the quality of education they recelve? Selim is ordering concrete spheres to place as barriers in the city park. The spheres cost $2 per square foot, and Selim can spend $20 per sphere. What is the maximum diameter of the spheres he can purchase?A. 3. 56 ftB. 1. 59 ftC. 1. 78 ftD. 0. 89 ft If a and b, then c. given: the if-then statement's reverse isalso correct. if a is true, b is true, what is c? f(25) = 80 , find the value of f(2022) and give proper method and the final answer Drag each reason to the correct location on the flowchart. Not all reasons will be used. What are 3 specific ways that the government was incorporated into French LA? how does drought effect climate change an essay on the nigerianzation of nigeria a look inward 7y4x=1 7y2x=53 = x=x, equals = y=y, equals You find some limestone rock in southern Indiana and notice that it has fossil trilobites in it. Later you find the same fossil trilobites in a limestone in Colorado. From this you determine that the two rock types were deposited during the same time period using what concept or principle? For her speech class, Julia is writing a paper about how to persuade people to take action. She has created the following outline in her prewriting. Use the outline to answer the following question.Persuasive SpeakingI. Attention Step: Gain the attention of the audienceA. Open with an "attention grabber" such as a dramatic example of the problem.B. Tell them right away why this information is relevant to their lives.II. Need Step: Show the audience that a need exists that affects them. Show them that something needs to change.A. Show or describe the need, using specific examples.B. Tell them what the consequences will be if things do not change soon.III. Satisfaction Step: Satisfy the need by presenting a solution to the problem.A. Show or describe the proposed solution in clear and simple detail.B. Tell them what things have been tried before and why this solution is better.IV. Visualization Step: Help the audience imagine how much better conditions will be once your plan is adopted.A. Use visual aids that illustrate a "before and after."B. Use visuals such as photos of other places where this solution has been successful in the past.V. Call to Action Step: Once the audience is convinced your idea is a good one, tell them the exact action they must take.A. Be clear about the audience's role and how exactly they can help.B. Emphasize that it doesn't require a big time or energy commitment to make a difference.Where might Julia add the following piece of information: "Give examples of your plan and evidence that it will work"? A. step III B. step V C. step I D. step II everett is a manager at a medium-sized manufacturing firm. he enjoys being a manager and likes his subordinates. he does have one problem: his subordinate karen regularly interrupts him during meetings. at first, he asks her politely to let him finish. after thinking about the situation, however, he wonders if karen derives some kind of reward from the attention of the other employees by interrupting. he decides to try a strategy of simply ignoring her. everett is attempting which type of reinforcement? Bumper cars are a fairground ride and are designed to bump into each other. Two bumper cars moving towards each other. 1. )Give two factors that affect the momentum of each bumper car. [2marks]2. )The bumper cars crash into each other and stop. Explain why both bumper cars stop after the crash. [4marks] 2What statement best compares photosynthesis and cellular respiration?A. Both photosynthesis and cellular respiration break down sugars to release chemical energy.OB. Photosynthesis breaks down sugars to release energy, while cellular respiration stores energy as sugars.OC. Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.Both photosynthesis and cellular respiration take place during the light and during the dark.D.ResetNext