Write your answer to the following prompt within the space provided. Be sure to answer all parts.




Prompt:



In the 1970’s, Benjamin Stacey was born with methemoglobinemia (rr). Neither of Benjamin’s parents were affected by the genetic condition and none of his three siblings showed signs of blue skin, lips, or nails. Since this condition is passed down by genetic traits, his mother was genetically tested and was determined to have a heterozygous genotype (Rr) for methemoglobinemia.




Part A: Determine the genotype for his father and possible genotypes for his three siblings. Provide a brief explanation of your reasoning.



Part B: If Benjamin Stacey were to marry and have children with a woman affected by methemoglobinemia, predict the probability of their children inheriting this condition. Provide a brief explanation of your reasoning

The metabolism of an acetyl CoA molecule produces a total of 12 ATP molecules through the process of cellular respiration.

The metabolism of one acetyl  molecule through the Krebs cycle can produce 1 ATP molecule through substrate-level phosphorylation. In addition, the oxidation of NADH and FADH2 produced during the Krebs cycle can generate more ATP through oxidative phosphorylation in the electron transport chain.

However, the exact amount of ATP generated through oxidative phosphorylation depends on various factors, such as the efficiency of the electron transport chain and the availability of oxygen. Overall, the complete metabolism of one molecule of acetyl CoA can generate up to 10 ATP molecules through oxidative phosphorylation.

This occurs through the citric acid cycle and the electron transport chain, which are both part of the metabolic pathway that converts energy from glucose into usable ATP molecules.

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The hydrolysis of one ATP molecule has ΔG = -30.5 kJ mol⁻¹. Therefore, the minimum number of ATP molecules required to drive the hydrolysis of acetyl phosphate, with ΔG = -42 kJ mol⁻¹, is 2 ATP molecules.

The phosphorylation of acetic acid involves the transfer of a phosphate group from ATP to acetic acid, forming acetyl phosphate and ADP. The reaction can be represented as follows:

The hydrolysis of acetyl phosphate involves the addition of a water molecule, which breaks the phosphoanhydride bond and releases the energy stored in the phosphate bond. The reaction can be represented as follows:

The ΔG value of the hydrolysis of acetyl phosphate is -42 kJ mol⁻¹. Since the phosphorylation of acetic acid requires one ATP molecule, the minimum number of ATP molecules required to drive the hydrolysis of acetyl phosphate is calculated as follows:

Since the hydrolysis of one ATP molecule has ΔG = -30.5 kJ mol⁻¹, the minimum number of ATP molecules required to drive the hydrolysis of acetyl phosphate is 2.

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The formulae of the hydroxides are: X(OH), Y(OH)₂, and Z(OH)₃.

The formulae of the sulphates are: XSO₄, YSO₄, and Z(SO₄)₂.

The formulae of the carbonates are: XCO₃, YCO₃, and Z(CO₃)₂.

The formulae of the hydrogen carbonates are: X(HCO₃), Y(HCO₃)₂, and Z(HCO₃)₃.

The formulae of the nitrates are: X(NO₃), Y(NO₃)₂, and Z(NO₃)₃.

The formulae of the phosphates are: X(PO₄), Y(PO₄)₂, and Z(PO₄)₃.

The valency of a metal tells us how many electrons it can lose or gain in order to form an ion. Using the valencies of metals X, Y, and Z, we can determine the formulae of their compounds with different anions. In each case, we use the appropriate valency of the metal and the valency of the anion to balance the charges of the compound.

For example, in the case of hydroxides, the valency of metal X is 1, which means it can combine with one hydroxide ion (OH⁻) to form a neutral compound, X(OH). Similarly, for metal Y with valency 2, it requires two hydroxide ions to form a neutral compound, Y(OH)₂.

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1. Based on the information provided, a weak acid with a pKa close to the ideal pH of 5.5 would be the best buffer for Xylanase. Acetic acid (CH3COOH) can be utilised as the weak acid component of the buffer since it has a pKa of 4.76, which is close to the ideal pH.

Acetate ion (CH3COO-), its conjugate base, can also be utilised as a buffering agent. Since Xylanase prefers an acidic pH (below 7), we would anticipate the buffer to contain more acid than base.

2. The pH of the buffer would drop if 0.1 M HCl was introduced because the weak acid would arise when the H+ ions from the HCl react with the conjugate base in the buffer.

Instead, if 0.1 M NaOH was added, the pH would rise as the weak acid in the buffer reacts with the NaOH's OH- ions to form the conjugate base. The capacity of the buffer and the quantity of HCl or NaOH injected, however, would determine how much the pH changed.

3. It would take more HCl to raise the pH by one unit in the buffer in question 1 since it contains a weak acid and its conjugate base. This is due to the fact that the conjugate acid might be created when the weak acid component of the buffer reacts with extra H+ ions to limit significant pH shifts.

On the other hand, if NaOH were to be added to the buffer, the buffer's acid component would be consumed, causing a greater pH change.

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8.32 grams of CaCl2 are required to produce 750 ml of a 0.100 M CaCl2 solution.

The number of moles of solute that can dissolve in 1 L of a solution is known as molarity or molar concentration.

Volume of solution (in litres) / Number of solutes (in moles), or

C = n / V

According to the question,

V = 750 ml and C = 0.100 M

Let's convert millilitres to litres for this.

We know 1 L = 1000 ml

Consequently, 750 ml equals (750/1000) L, or 0.75 L.

So, V = 0.75 L

We know that C = n / V

So, n = C x V

n = 0.100 x 0.75 = 0.075

The solute contains n moles in total.

CaCl2 thus has a mole count of 0.075 moles.

In 750 ml of solution, this demonstrates that there are 0.075 moles of CaCl2.

We must know the molar mass of CaCl2 in order to calculate the mass of CaCl2 in grams.

To do this, we must use the periodic table to determine the atomic masses of each atom.

CaCl2 consists of 1 Ca and 2 Cl atoms.

Atomic mass of Ca is 40.08 g and that of Cl is 35.45, so 2 x 35.45 = 70.90 g.

We obtain the mass of CaCl2 in grams by averaging these measurements.

Hence, mass of CaCl2 = 40.08 + 70.90 = 110.98 g

Thus, 110.98 g equals 1 mole of CaCl2.

Therefore, 0.075 moles of CaCl2 will weigh 8.3235 g, which is rounded to 8.32 g, or 0.075 x 110.98 g.

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The complete question is

How many grams of calcium chloride will be needed to make 750 mL of a 0.100 M CaCl2 solution?

The specific heat capacity of iron is 0.449 J/g°C.

The quantity of heat energy needed to raise the temperature of one gram of a substance by one degree Celsius is the substance's specific heat capacity.

The specific heat capacity of iron can be calculated using the formula:

q = mcΔT

where q is the heat energy absorbed by the iron, m is the mass of the iron, c is the specific heat capacity of iron, and ΔT is the change in temperature of the iron.

Substituting the given values:

2056.5 J = (17.98 g) × c × (200°C - 25°C)

2056.5 J = (17.98 g) × c × (175°C)

Solving for c:

c = 0.449 J/g°C

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The solubility product constant (Ksp) for Ag2CrO4 is given by the following equation:

Ag2CrO4(s) ⇌ 2Ag+(aq) + CrO4^(2-)(aq)

The expression for Ksp is:

Ksp = [Ag+]^2[CrO4^(2-)]

where [Ag+] and [CrO4^(2-)] are the concentrations of the silver ion and chromate ion in the equilibrium mixture, respectively.

To determine the value of Q, the reaction quotient, we need to determine the concentrations of Ag+ and CrO4^(2-) in the mixture of 5.00 mL of 0.0040 M AgNO3 and 4.00 mL of 0.0024 M K2CrO4. To do this, we need to make some assumptions:

1. The volumes of the two solutions are additive, so the total volume is 9.00 mL.

2. The AgNO3 and K2CrO4 solutions react completely to form Ag2CrO4.

First, we need to determine the moles of Ag+ and CrO4^(2-) in each solution:

For the AgNO3 solution:

moles of Ag+ = (0.0040 M) x (0.00500 L) = 2.0 x 10^-5 mol

For the K2CrO4 solution:

moles of CrO4^(2-) = (0.0024 M) x (0.00400 L) = 9.6 x 10^-6 mol

Since the AgNO3 and K2CrO4 react in a 1:1 ratio to form Ag2CrO4, the limiting reactant is K2CrO4. Therefore, all of the CrO4^(2-) is used up in the reaction, and the concentration of CrO4^(2-) in the equilibrium mixture is zero.

The concentration of Ag+ in the equilibrium mixture is:

[Ag+] = moles of Ag+ / total volume of mixture

[Ag+] = (2.0 x 10^-5 mol) / (9.00 x 10^-6 L)

[Ag+] = 2.22 M

Now, we can calculate the value of Q:

Q = [Ag+]^2[CrO4^(2-)] = (2.22 M)^2(0 M) = 0

Since Q is equal to zero and Ksp is greater than zero (1.8 x 10^-10), the reaction is not at equilibrium and Ag2CrO4 will precipitate from the solution.

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The true statements regarding the greenhouse effect are:

The greenhouse effect is a natural process that occurs when certain gases in the atmosphere, known as greenhouse gases, trap heat from the sun and prevent it from escaping back into space. This helps to keep the Earth's surface warm enough to support life. However, human activities, such as burning fossil fuels, have increased the concentration of greenhouse gases in the atmosphere, which has led to an enhanced greenhouse effect and global warming.

In the greenhouse effect, not all energy from the sun is absorbed by atmospheric gases. Rather, some of it is reflected back into space by the atmosphere. Additionally, the greenhouse effect does not change sunlight into carbon dioxide; rather, it is the burning of fossil fuels and other human activities that release carbon dioxide into the atmosphere. Options B, C and E are correct.

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The mass of the zinc hydroxide that we need for the reaction is about  21.8 g.

The equation of a reaction is a chemical equation that represents the chemical change that occurs during a chemical reaction. It is typically written in the form:

Reactants → Products

where the reactants are the starting materials and the products are the substances that are formed as a result of the reaction.

The equation of the reaction is;

Zn(OH)2 + H2SO4 → ZnSO4 + 2H2O

Number of moles of H2SO4 = 21.1 g/98 g/mol

= 0.22 moles

If the reaction is 1:1,

Mass of the Zn(OH)2 required = 0.22 moles * 99 g/mol

= 21.8 g

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The reaction of 42.7 L of chlorine gas at STP with 50.0 g of aluminum produces 150.5 g of aluminum chloride.

The balanced chemical equation for the reaction between aluminum and chlorine gas is:

2Al + 3Cl₂ -> 2AlCl₃

To use this equation to calculate the grams of aluminum chloride produced, we need to convert the given volume of chlorine gas to moles using the ideal gas law:

n = PV/RT

At STP, the pressure (P) and temperature (T) are 1 atm and 273 K, respectively. The volume (V) is given as 42.7 L. The gas constant (R) is 0.08206 L atm K⁻¹ mol⁻¹ Plugging these values in, we get:

n = (1 atm * 42.7 L) / (0.08206 L atm K⁻¹ mol⁻¹ * 273 K) = 1.694 mol

Since the stoichiometry of the balanced equation is 2:3 (2 moles of aluminum react with 3 moles of chlorine gas to produce 2 moles of aluminum chloride), we need to calculate how many moles of aluminum are needed to react with 1.694 moles of chlorine gas:

2 mol Al / 3 mol Cl₂ * 1.694 mol Cl₂ = 1.129 mol Al

Finally, we can use the molar mass of aluminum chloride (133.34 g/mol) to calculate the grams of product:

1.129 mol AlCl₃ * 133.34 g/mol = 150.5 g AlCl₃

Therefore, 150.5 g of aluminum chloride would be produced from 42.7 L of chlorine gas at STP reacting with 50.0 g of aluminum.

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The first two carboxylic acids described contain a benzene ring, which is not susceptible to the malonic ester synthesis.

The malonic ester synthesis requires a compound with a methyl group adjacent to both carboxylate groups, and a benzene ring does not fulfill this requirement. The last two carboxylic acids described cannot be prepared by the malonic ester synthesis because an SN₂ reaction cannot be performed on compounds with bulky substituents or with two or more halogen atoms attached to the same carbon atom.

The synthesis requires the use of an alkyl halide that can undergo an SN₂ reaction with sodium ethoxide, but benzyl bromide, bromobenzene, and dibromobenzene are not suitable for this type of reaction. Additionally, the bromide required for the synthesis is unstable, which further complicates the reaction.

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The juice sample contains 28,920 mg of vitamin C.

The amount of iodine used in the reaction can be calculated as:

I2 used = (final buret reading - initial buret reading) * 0.005 M

I2 used = (33.08 ml - 0.24 ml) * 0.005 M = 0.16392 moles

Since 1 mole of vitamin C reacts with 1 mole of iodine, the amount of vitamin C in the juice can be calculated as:

Vitamin C = I2 used * (1 mol of vitamin C / 1 mol of I2) * (176.12 g/mol)

Vitamin C = 0.16392 * (1 / 1) * (176.12 g/mol) = 28.92 g

Converting to milligrams:

Vitamin C = 28.92 g * 1000 mg/g = 28,920 mg

Therefore, the juice sample contains 28,920 mg of vitamin C.

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0.18 g of a divalent metal was completely dissolved in 250 cc of acid solution containing 4. 9 g H₂SO₄ per liter. 50 cc of the residual acid solution required 20 cc of N/10 alkali for complete neutralization. The atomic weight of metal is 45 g/mol.  

First, we need to determine the moles of H₂SO₄ present in 250 cc of the acid solution:

4.9 g/L = 0.0049 g/cc

0.0049 g/cc x 250 cc = 1.225 g of H₂SO₄

Next, we can calculate the number of moles of H₂SO₄ that were neutralized by the alkali solution:

20 cc of N/10 NaOH = 0.002 mol NaOH

Since the reaction is:

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

then 1 mol of H₂SO₄ reacts with 2 mol of NaOH, therefore 0.004 mol of H₂SO₄ reacted with 0.002 mol of NaOH.

So, the remaining number of moles of H₂SO₄ is:

0.004 mol - 0.002 mol = 0.002 mol

Now we can calculate the moles of metal present in the solution:

0.18 g / atomic weight = moles of metal

We can use the remaining H₂SO₄ to find the number of moles of metal:

1 mol of H₂SO₄ reacts with 1 mol of metal, so the number of moles of metal is equal to the number of moles of H₂SO₄ remaining:

0.002 mol H₂SO₄ = 0.002 mol metal

Now we can solve for the atomic weight:

0.18 g / 0.002 mol = 90 g/mol

Since the metal is divalent, we need to divide by 2 to get the atomic weight:

90 g/mol / 2 = 45 g/mol

Therefore, the atomic weight of the metal is 45 g/mol.

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6-ethyl-8-methyl-5-propyl- non-2-ene is the name of this branched alkene. The World Union of Applied and Pure Chemistry (IUPAC).

The World Union of Applied and Pure Chemistry (commonly abbreviated to IUPAC) recommends a systematic approach for the terminology of organic compounds, which is referred to as the IUPAC classification of organic compounds.

The IUPAC naming criteria are occasionally followed by chemists, nevertheless, as some compounds have names that are incredibly long and difficult to pronounce. More banal names are given to these substances. 6-ethyl-8-methyl-5-propyl- non-2-ene is the name of this branched alkene.

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Yes, substances can be the same if one has more of the same type of repeating group of atoms.

For example, polymers are made up of repeating units of the same monomer, and the number of monomers can vary, resulting in different sizes of polymers but still the same substance. Another example is isotopes, which are elements with the same number of protons but varying numbers of neutrons.

They have the same chemical properties and can form the same compounds despite having different atomic masses. Thus, substances can be identical in terms of their chemical properties even if they have different physical properties due to variations in the number of repeating groups of atoms or isotopes.

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Answer:

106.5 J, and it was lost.

Explanation:

To calculate the amount of heat transferred, we can use the following formula:

Q = m * c * ΔT

where Q is the amount of heat transferred, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the change in temperature.

For graphite, the specific heat capacity is approximately 0.71 J/g°C.

So we have:

Q = 15.0 g * 0.71 J/g°C * (-10°C)

Q = -106.5 J

The negative sign of the answer indicates that the graphite lost heat, since its temperature decreased. Therefore, the heat was transferred from the graphite to its surroundings.

So the amount of heat transferred from the graphite was 106.5 J, and it was lost.

A solution consists of 2.50 moles of NaCl dissolved in 100 grams of H₂0 at 25°C. Compared to the boiling point and freezing point of 100 grams of H₂0 at standard pressure, the solution at standard pressure has a lower boiling point and a higher freezing point. The correct option is A.

When a solute, such as NaCl, is dissolved in a solvent, such as water, the boiling point of the solution is raised and the freezing point is lowered. This phenomenon is known as boiling point elevation and freezing point depression.

The extent of the change in boiling point and freezing point depends on the concentration of the solute in the solution. In this case, the solution consists of 2.50 moles of NaCl dissolved in 100 grams of H₂O. This concentration of NaCl will cause the solution to have a lower boiling point and a higher freezing point compared to pure water.

The reason is that the NaCl molecules dissociate into ions when dissolved in water, which increases the number of particles in the solution and lowers the vapor pressure, making it more difficult for the solution to boil. Additionally, the presence of the solute disrupts the formation of crystal lattice structures in the solvent, causing a decrease in the freezing point. Hence, option A is correct.

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The original pressure in the container was 9.028 atm.

To solve this problem, we need to use the combined gas law equation, which relates the pressure, volume, and temperature of a gas. The equation is P1V1/T1 = P2V2/T2, where P1 and V1 are the initial pressure and volume, respectively, and P2 and V2 are the final pressure and volume, respectively.

We are not given the temperature, so we can assume that it is constant.

First, we can rearrange the equation to solve for P1:
P1 = (P2V2/T2) * T1/V1

Substituting the given values, we get:
P1 = (6.10 atm * 3.7 L) / (2.5 L * T2) * T1

Since the temperature is constant, we can cancel it out, and the equation becomes:
P1 = (6.10 atm * 3.7 L) / (2.5 L)

Simplifying, we get:
P1 = 9.028 atm

Therefore, the original pressure in the container was 9.028 atm.

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Globular clusters are usually found in the halo of a galaxy. The answer is d.

Globular clusters are dense, spherical collections of stars that orbit a galactic center. They are typically composed of tens of thousands to hundreds of thousands of stars and are some of the oldest known objects in the universe.

Globular clusters are usually found in the halo of a galaxy, which is the outermost region of a galaxy that surrounds the disk.

This is because they are thought to have formed early in the history of the galaxy, when the halo was still being formed.

In contrast, stars in the disk of a galaxy are typically younger and more spread out, with less dense collections of stars. The nucleus of a galaxy is the central region, which usually contains a supermassive black hole and dense concentrations of stars.

Therefore, the correct answer is d. halo.

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Answer:

false

Explanation:

magnetic field lines can be accurately observed using *iron filling*

The molarity of the potassium carbonate solution is 3.29 M, rounded to three significant figures.

From the balanced chemical equation, we can see that the reaction between lead(II) nitrate and potassium carbonate has a 1:1 stoichiometry. This means that the number of moles of lead(II) nitrate and potassium carbonate that react must be equal.

First, we need to calculate the number of moles of lead(II) nitrate present in the 64.4 mL of 2.56 M solution:

moles of [tex]Pb(NO3)2[/tex] = Molarity x Volume (in L)

moles of [tex]Pb(NO3)2[/tex] = 2.56 M x 0.0644 L

moles of [tex]Pb(NO3)2[/tex] = 0.165 M

Since the stoichiometry of the reaction is 1:1, the number of moles of potassium carbonate must also be 0.165 moles. We can use this information to calculate the molarity of the potassium carbonate solution:

moles of [tex]K2CO3[/tex] = Molarity x Volume (in L)

0.165 mol = Molarity x 0.0502 L

Molarity = 0.165 mol / 0.0502 L

Molarity = 3.29 M

Therefore, the molarity of the potassium carbonate solution is 3.29 M, rounded to three significant figures.

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Galena and Pyrite are mineral ores.

Ore is a deposit of one or more precious minerals in the Earth's crust.

Galena is lead ore with formula PbS while pyrite is iron ore having formula FeS₂. In Other words, Galena is sulfide of lead and pyrite is sulfide of iron.

Both Galena and Pyrite are sulfide ores with different specific gravities.

Pyrite shows magnetic property on heating which galena is nonmagnetic component and doesn’t bear any magnetic properties.

Both are semi conductors but they are used for different purpose.

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Answer:

Sedimentation equilibrium in a suspension of different particles, such as molecules, exists when the rate of transport of each material in any one direction due to sedimentation equals the rate of transport in the opposite direction due to diffusion.

The Earth is emitting the most longwave radiation at a wavelength of approximately 11.4 micrometers.

Longwave radiation emission, also known as infrared radiation, is the process by which the Earth releases heat into space. This radiation is absorbed by greenhouse gases in the atmosphere, which then trap the heat and prevent it from escaping back into space.

If the Earth had no atmosphere, this longwave radiation emission would be lost quickly to space, resulting in a much cooler planet.

To calculate the rate of radiation emitted (E) by the Earth at a temperature of 255 K, we can use the Stefan-Boltzmann Law, which states that E = σT⁴, where σ is the Stefan-Boltzmann constant (5.67 x 10⁻⁸ W/m²K⁴) and T is the temperature in Kelvin. Plugging in the values, we get:

E = 5.67 x 10⁻⁸ x (255)⁴
E = 3.8 x 10⁸ W/m²

This means that the Earth is emitting 3.8 x 10⁸ watts of longwave radiation per square meter at a temperature of 255 K.

The wavelength of maximum radiation emission can be determined using Wien's Law, which states that the wavelength of maximum emission (λmax) is equal to the constant of proportionality (b) divided by the temperature in Kelvin. The value of b is approximately equal to 2.898 x 10⁻³ mK.

Plugging in the values, we get:

λmax = b/T
λmax = 2.898 x 10⁻³ / 255
λmax = 1.14 x 10⁻⁵ meters

This means that the Earth is emitting the most longwave radiation at a wavelength of approximately 11.4 micrometers.

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To find another element with similar properties, the student should look on the periodic table of the elements for an element In the same group.

The student should look for an element in the same group as krypton on the periodic table of elements. Elements in the same group have similar chemical properties because they have the same number of valence electrons, which determine how the element interacts with other elements.

Krypton is a noble gas located in group 18 (also known as group 8A) of the periodic table. Other elements in this group, such as neon, helium, and xenon, also have very low chemical reactivity due to their full valence electron shells.

Elements in the same period as krypton may have similar atomic properties, but they are not guaranteed to have similar chemical properties since their valence electron configurations differ.

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The new molarity of the solution after dilution is 0.5 M.

To solve this problem, we can use the formula:

[tex]M_2 = M_1V_1 / V_2[/tex]

where [tex]M_1[/tex] and [tex]V_1[/tex] are the initial molarity and volume of the solution, and [tex]M_2[/tex] and [tex]V_2[/tex] are the final molarity and volume of the diluted solution.

In this case, we have:

[tex]M_1[/tex] = 1.5 M

[tex]V_1[/tex] = 2.0 L

[tex]V_2[/tex] = 6.0 L

We want to find the final molarity, [tex]M_2[/tex].

Using the formula, we can solve for [tex]M_2[/tex]:

[tex]M_2 = M_1V_1 / V_2[/tex]

Substituting the given values, we get:

[tex]M_2[/tex] = (1.5 M) × (2.0 L) / (6.0 L) = 0.5 M

Therefore, the new molarity of the solution is 0.5 M.

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Answer:

you equate the question 800×7.2 divide the answer by 735.And you'll get 7.84litre then covert to 0.0m³ if the question says so to get 0.00784

You would need to walk at a brisk pace for about 1 hour and 40 minutes to burn off the calories obtained from eating the cheeseburger.

25 g of protein and 31 g of carbohydrates release 4 cal/g, which equals 240 calories. 25 g of fat release 9 cal/g, which equals 225 calories. So, the total calories in the cheeseburger are 465.

Now, to burn off 465 calories at a rate of 280 cal/h, we need to divide 465 by 280, which equals 1.66 hours or approximately 1 hour and 40 minutes.

In summary, to burn off the calories obtained from a cheeseburger containing 25 g of protein, 25 g of fat, and 31 g of carbohydrates, you would need to walk at a brisk pace for about 1 hour and 40 minutes.

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The ratio between ethanol and energy in this reaction is 1 mole of C₂H5OH  which is 1367 kJ.

A mole ratio is  described as the ratio between the amounts in moles of any two compounds involved in a balanced chemical reaction.

The balanced chemical equation should be able to provide a comparison of the ratios of the molecules necessary to complete the reaction.

In the molar ratio method, a property of a solution is plotted against the molar ratio of the two reactants, the concentration of one being kept constant.

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Answer:

Explanation:

its 1:-1367 you got it right but you need to put the - sign :)