Alkanes are considered as saturated hydrocarbons and thus...
A.have only single bonds
B.contain a benzene ring
C.contain a triple bond
D.contain at least one double bond

Answers

Answer 1

Answer:

A

Explanation:

Option A is correct. Saturated hydrocarbons are stable compounds, which means that they only have single bonds between carbon atoms.


Related Questions

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.05 kg sample of a pure substance from 1.9 °C to 19.7 °C. The
experiment shows that 4.39 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Be sure your answer has the
correct number of significant digits.
х
?

Answers

Mass=m=1.05kginitial temperature=1.9°CFinal temperature=19.7°C∆T=19.7-19.7=17.8°CHeat=Q=4.39KJ=4390J

Now

[tex]\\ \sf\longmapsto Q=mc\Delta T[/tex]

[tex]\\ \sf\longmapsto c=\dfrac{Q}{m\Delta T}[/tex]

[tex]\\ \sf\longmapsto c=\dfrac{4390}{1.95(17.8)}[/tex]

[tex]\\ \sf\longmapsto c=\dfrac{4390}{18.69}[/tex]

[tex]\\ \sf\longmapsto c=234.8J/kg°C[/tex]

EFFECTS Of The
HUMAN INTERVATION OF THE
CARBON CYCLE.

Answers

Explanation:

Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... This extra carbon dioxide is lowering the ocean's pH, through a process called ocean acidification.

Assuming that the volumes are additive, and the gases behave ideally, calculate the entropy of 12.0 L of N2 with 4.00 L of N2O at 250 K and 0.550 atm. (20 points) Write a meaningful comment on your findings. (5 points)

Answers

This problem is describing a gaseous system composed by 12.0 L of nitrogen and 4.00 L of dinitrogen monoxide at 250 K and 0.550 atm. In addition, it is asking for the entropy of the system assuming it is ideal and the volumes are additive; this means we can use the following equation for the entropy of the mixture:

[tex]S_{mix}=-n_{N_2}*R*ln(\frac{n_{N_2}}{n_{N_2}+n_{N_2O}} )-n_{N_2O}*R*ln(\frac{n_{N_2O}}{n_{N_2}+n_{N_2O}} )[/tex]

It means we need to calculate the moles of both gases, which can be obtained by using the ideal gas equation for the common T,P conditions and the volume of each gas:

[tex]n_{N_2}=\frac{PV_{N_2}}{RT} =\frac{0.550atm*12.0L}{0.08206\frac{atm*L}{mol*K}*250K} =0.322mol\\\\n_{N_2O}=\frac{PV_{N_2O}}{RT} =\frac{0.550atm*4.00L}{0.08206\frac{atm*L}{mol*K}*250K} =0.107mol[/tex]

Next, we recall the aforementioned equation for the calculation of the entropy and plug in the values:

[tex]S_{mix}=-8.3145\frac{J}{mol*K}[0.322mol*ln(\frac{0.322mol}{0.322mol+0.107mol} )+0.107mol*ln(\frac{0.107mol}{0.322mol+0.107mol} )]\\\\S_{mix}=2.00\frac{J}{mol*K}[/tex]

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can anyone heelp me plz plz

Answers

Answer: C=1

Explanation: If you round 1.04 to a single digit its 1

solveeeeee plzzzzzzzzz

Answers

In each reaction there would be the answer doubled 2H is the same as if it was the other answer

The arrow and
blue colored
blocks indicate
the
elements.


NO LINK

Answers

Answer:

The arrow and blue colored blocks indicate the transition metal elements

Explanation:

B.

"The arrow and blue colored blocks in periodic table indicate transition elements. "

What is transition elements?

The type of elements in which the last electrons enter into d-orbital can be referred to as transition elements. They can be placed in the middle of the periodic table. they are indicated with blue color in the periodic table so that it is easy to identify transition element in periodic table. Transition elements can show colored property because it shows d-d transition.

The electronic configuration of transition elements can be shown as:

(n-1)[tex]d^{1-10}[/tex]n[tex]s^{1-2}[/tex].

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Which of the following correctly identifies the intermolecular force represented by A and compared its strength relative to the intermolecular force represented by B

Answers

A
Explanation: i know

A represents hydrogen bonding, which is weaker than the force represented by B correctly identifies the intermolecular force represented by A and compared its strength relative to the intermolecular force represented by B. Therefore, option B is correct.

What is intermolecular force ?

Intermolecular forces, such as electromagnetic forces of attraction or repulsion that act between atoms and other kinds of nearby particles, such as atoms or ions, mediate interactions between molecules.

The forces that draw molecules together are known as intermolecular forces. These forces are crucial because they enable chemists to ascertain a substance's state, melting point, boiling temperature, and other physical characteristics. The higher the melting and boiling temperatures are, the stronger the intermolecular forces are.

The strength of the London force will differ greatly if the molecules have highly different molar masses (by a factor of 2 or more).

Thus, option B is correct.

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your question is incomplete, probably the question was Which of the following correctly identifies the intermolecular force represented by A and compared its strength relative to the intermolecular force represented by B A represents London dispersion forces, which are weaker than the force represented by B. A represents hydrogen bonding, which is weaker than the force represented by B. A represents London dispersion forces, which are stronger than the force represented by B. A represents hydrogen bonding, which is stronger than the force represented by B.

Please help me !!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

sure ill help you

Explanation:

I need to solve #5 and #6

Answers

Answer:

hello

Explanation

sup

help me plEaseeeeee im so confused

Answers

Answer:

I believe it the last one it make the most sense

What is the molar solubility of magnesium oxalate Mg(C2O4 ) in water?

The solubility-product constant for MgC2O4 is 8.6 × 10-5

A) 4.3 × 10-5 mol/L

B) 1.7 × 10 -4 mol/L

C) 8.35 mol/L

D) 1.3 × 10-2 mol/L

E) 9.3 × 10-3 mol/L

Answers

Answer:

had this quetionn

Explanation:

B :))

The molar solubility of magnesium oxalate Mg(C2O4 ) in water is 9.3 x 10⁻³ mol/L. So, the correct option is D.

What is meant by molar solubility ?

Molar solubility of a substance is defined as the number of moles of solute that can be dissolved to make one litre of a saturated solution.

Here,

The solubility product constant of magnesium oxalate, Ksp = 8.6 x 10⁻⁵

The reaction for dissociation of magnesium oxalate in water can be written as,

MgC₂O₄ + H₂O ⇆ Mg²⁺ + C₂O₄²⁻

Magnesium oxalate is a binary salt.

So,

The molar concentration of  Mg²⁺ = molar concentration of C₂O₄²⁻

[Mg²⁺] = [C₂O₄²⁻] = x

The solubility product constant of MgC₂O₄,

Ksp = [Mg²⁺] [C₂O₄²⁻]

Ksp = x²

Therefore,

Molar solubility of MgC₂O₄,

x = √Ksp

x = √8.6 x 10⁻⁵

x = 9.3 x 10⁻³ mol/L

Hence,

The molar solubility of magnesium oxalate Mg(C2O4 ) in water is 9.3 x 10⁻³ mol/L.

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which turkey (15lb or 25lb) will thaw faster and why?​

Answers

Answer:

15lb

Explanation:

A 15lb pound of turkey will thaw faster compared to 25lb because it's not only smaller but the weight of the turkey affects how temperature circulates throughout.

Hope this helps :)

The turkey weighing 15 lb will thaw faster as it has lesser mass, and required less time.

Thawing has been the process of warming up the substance for converting freezed to a soft liquid and solid. The time required for thawing has been proportional to the energy required to change the substance state.

The turkey has been given of weight 15 lb and 25 lb. The more the weight, there has been more energy has been required for thawing.

Thus, 15 lb turkey will thaw faster as compared to the 25 lb turkey.

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You push on an object for 3 seconds. During those 3 seconds, the object 10 points
moves 0.65 m. After you stop pushing, the object moves another 0.20 m.
Which distance should you use to calculate work?*
A 0.20 m
B 0.65 m
C 0.85 m

Answers

Answer:

C.) 0.85m

Explanation:

If you moved it for 3 seconds and it went 0.65m then continued to move for another 0.20m you would just add the two numbers together.

0.65+0.20=0.85m

A __________ compound is a cyclic compound in which one or more of the ring atoms is an atom other than carbon. g

Answers

Answer:

heterocyclic compound

Explanation: by the fact that some or all of the atoms in their molecules are joined in rings containing at least one atom of an element other than carbon

MgCl,
+
K—>
balance the equation

Answers

Answer:

MgCl2 +2K= 2KCl+ Mg

Explanation:

I think MgCl2 you meant

mineral acids are also classified as????​

Answers

An inorganic acid......

Commonly used mineral acids are sulfuric acid, hydrochloric acid and nitric acid (they are also known as bench acids). Mineral acids range from superacids (perchloric acid) to very weak ones(boric acid). Mineral acids tend to be very soluble in water and insoluble in organic solvents.

How many atoms are in 9.35 moles of lithium?

Answers

Answer:

Answer: 3.45 moles Li contains 2.08 × 10 (to the power of)24 atoms . Explanation: The relationship between atoms and moles is:. 1 mole atom. =6.022

Answer:

[tex]\boxed {\sf 5.63 \times 10^{24} \ atoms \ Li}}[/tex]

Explanation:

We are asked to find how many atoms are in 9.35 moles of lithium (Li)

Moles are converted to atoms using Avogadro's Number or 6.022×10²³. This is the number of particles (atoms, molecules, formula units, etc.) in 1 mole of a substance. In this case, the particles are atoms of lithium.

We convert using dimensional analysis, so we set up a conversion factor using Avogadro's Number.

[tex]\frac {6.022 \times 10^{23} \ atoms \ Li}{1 \ mol \ Li}[/tex]

We are converting 9.35 moles of lithium to atoms, so we multiply the conversion factor by this value.

[tex]9.35 \ mol \ Li *\frac {6.022 \times 10^{23} \ atoms \ Li}{1 \ mol \ Li}[/tex]

The units of moles of lithium cancel.

[tex]9.35 *\frac {6.022 \times 10^{23} \ atoms \ Li}{1 }[/tex]

[tex]9.35 *{6.022 \times 10^{23} \ atoms \ Li}[/tex]

[tex]5.63057\times10^{24} \ atoms \ Li[/tex]

The original value of moles (9.35) has 3 significant figures, so our answer must have the same. For the number we found that is the hundredth place. The 0 in the thousandth place tells us to leave the 3 in the hundredth place.

[tex]5.63 \times 10^[24} \ atoms \ Li[/tex]

9.35 moles of lithium contains approximately 5.63×10²⁴ atoms of lithium.

How many moles are of sodium are needed to react completely with 3.1 moles of chlorine in the reaction shown below? (Work shown is preferred)
2Na(s) + Cl2(g) —> NaCl(s)

A) 3.1 moles Na

B) 1.5 moles Na

C) 2 moles Na

D) 6.2 Na

Answers

Answer: D. 6.2 Na

Explanation: Just took the test

What is the potential energy of your 3 kg puppy that is sitting in the grass in your backyard?

Answers

As we know that

P.E. = mgh

where,

P.E. = Potential energy of the object =?

m= mass of object= 3kg

g= acceleration due to gravity = 9.8 ms^-2

h = height between object and animal = 0 m

Then

P.E. = 3× 9.8 × 0 = 0 Joules or 0J

Have a luvely day!

what are two ways to increase thermal energy are

Answers

When the temperature of an object increases, the average kinetic energy of its particles increases. When the average kinetic energy of its particles increases, the object's thermal energy increases. Therefore, the thermal energy of an object increases as its temperature increases.

3CH4 and C3H12 have the same number and kind of elements. How are they different?

Answers

3CH4 refers to three molecules of a compound  and C3H12 refers to only one molecule of a compound.

3CH4 and C3H12 are actually different molecules though they contain the same number and types of atoms. Recall that both of them are hydrocarbons hence they contain only hydrogen and carbon.

3CH4 refers to three molecules of methane while C3H12 refers to one molecule of diphenyl methane. Hence 3CH4 refers to three molecules of a compound  and C3H12 refers to only one molecule of a compound.

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FIVE SENTENCES OR MORE
All of your body’s cells need oxygen and all of your body’s cells produce carbon dioxide. Name and describe how the organ systems pictured above work together to:
1. Get oxygen to your body.
2. Distribute oxygen throughout your body.
3. Get rid of carbon dioxide your body produces.

Answers

Answer:

Explanation:

In the tiny capillaries of the body tissues, oxygen is freed from the hemoglobin and moves into the cells. Carbon dioxide, made by the cells as they do their work, moves out of the cells into the capillaries, where most of it dissolves in the plasma of the blood.

Blood rich in carbon dioxide then returns to the heart via the veins. From the heart, this blood is pumped to the lungs, where carbon dioxide passes into the alveoli to be exhaled.

what is the volume of 2.00 moles of chlorine (Cl2) at STP, to the nearest tenth of a liter? STOICHIOMETRY 1mole=22.4L​

Answers

I don’t understand the problem at all

The law of conservation of mass states that mass is neither created nor destroyed during a chemical reaction. This can be gleaned from the third postulate in Dalton's series. Magnesium oxide decomposes into magnesium and oxygen. If 4.03 g of magnesium oxide decomposes to form 2.43 g of magnesium, what mass of oxygen gas is also released in the reaction

Answers

Answer:

Explanation:

The law of conservation of mass states that mass is neither created nor destroyed during a chemical reaction. This can be gleaned from the third postulate in Dalton's series. Magnesium oxide decomposes into magnesium and oxygen. If 4.03 g of magnesium oxide decomposes to form 2.43 g of magnesium, what mass of oxygen gas is also released in the reaction

The word say magnesium oxide decomposes to magnesium and oxygen

the chemical symbols say

MgO-----------> Mg + O2  (since natural oxygen is diatomic)

the balanced  equation says

2MgO-------------->2Mg + O2

4.03 gm----------> 2.43 + ?0 gms

tour high school Algebra I class says

? = 4.03 -2.43 =1.60

your chemical analytcal lab says %mO in MgO = 16/40.3 = 39.7%

your calculator says

39.7/100 X 4.03 = 1.60

all of these prove the law of conservation of mass

what is the fnction of a cell membrance

Answers

Answer:

Maybe to hold the whole parts of the cell

the cell membrane serve as barriers. they keep toxic stuff out and has receptors that allows certain molecules

Which products are the result of a neutralization reaction? (1 point)
A)hydrogen and hydroxide
B)water and a salt
C)a titrant and an analyte
D)an acid and a base

Answers

Answer:

B) water and salt is the result of neutralization reaction

Water and salts are the product of a neutralization reaction.

NEUTRALIZATION REACTION:

Neutralization reaction is a type of reaction between an acid and a base to form a salt and water.

In a neutralization reaction, the hydrogen ion (H+) and hydroxyl ion (OH-) are released from the acid and base respectively and are combined to form water.

An example is the reaction between hydrochloric acid (HCl) as an acid and sodium hydroxide (NaOH) as a base to form sodium chloride (NaCl) as salt and water (H2O).

Therefore, water and salts are the product of a neutralization reaction.

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what shows the substance at the highest temperature?

Answers

Answer:

needs more information

Explanation:

      We need more information (like picture options / etc), but a substance at it's highest temperature will have the most movement in it's molecules. Depending on the substance, it may be in a gas or plasma form (free moving molecules).

      Hope this helps, have a nice day! :D

HELP PLS (CHEMISTRY)

How is writing formulas for ionic compounds with transition metals different from the regular metals?

Answers

The first most obvious thing to note is when naming transitional metals, you have to state its charge with roman numerals (except for 1 if I remember correctly). For example, Iron (lll), iron has a charge of 3.

this illustration shows a kind of animal that is a free living organism. what is the common name of this organism?

amoeba
fluke
planarian
tapeworm

Answers

Answer:

Planarian

Explanation:

Which two statements are true? A. Each particle of a compound consists of a single type of atom. B. All particles of a compound have the same chemical formula. C. The atoms in a particle of a compound are held together by chemical bonds. D. Different kinds of matter in a compound can be separated by physical means.

Answers

Answer: A and C

Explanation: For example, the compound HCl (hydrogen chloride) is comprised for 2 different types of atoms: one hydrogen and one Chlorine. In order to fuse these two elements together to form a compound, they must bond in one of three ways- ionic, covalent or metallic

The two statements that are true are as follows:

All particles of a compound have the same chemical formula.The atoms in a particle of a compound are held together by chemical bonds.

Thus, the correct options for this question are A and C.

What is a Chemical compound?

A chemical compound may be defined as a type of chemical substance that is mainly composed of many similar molecules that contain atoms of more than one chemical element. These atoms are typically held together by chemical bonds.

If you take the example of NaOH where you will find three elements such as sodium, oxygen, and hydrogen. Each of these chemical elements is held together by chemical bonds in order to form sodium hydroxide.

The atoms of sodium hydroxide would not change their chemical formula when it is present as a chemical compound.

Therefore, the correct options for this question are A and C.

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