Question 1

Which of the following ranks the three states of matter from most to least ordered?

Accepted Answer

A)  gas > liquid > solid 
B)  gas > solid > liquid 
C)  solid > gas > liquid 
D)  solid > liquid > gas 
A)  gas > liquid > solid 
B)  gas > solid > liquid 
C)  solid > gas > liquid 
D)  solid > liquid > gas D

Question 2

Carbon dioxide is an example of a supercritical fluid.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following properties are NOT a characteristic of ionic compounds?

Accepted Answer

A)  They have low boiling points. 
B)  They are composed of a metal and a nonmetal. 
C)  They tend to be solids at room temperature. 
D)  They may be soluble in water. 
A)  They have low boiling points. 
B)  They are composed of a metal and a nonmetal. 
C)  They tend to be solids at room temperature. 
D)  They may be soluble in water. A

Question 4

At STP, 22.4 liters of nitrogen gas, N2, will have a mass of

Accepted Answer

A)  14.0 g. 
B)  22.4 g. 
C)  28.0 g. 
D)  35.0 g. 
A)  14.0 g. 
B)  22.4 g. 
C)  28.0 g. 
D)  35.0 g.

Question 5

Which state of matter is characterized by having molecules far apart and moving randomly?

Accepted Answer

A)  gas 
B)  liquid 
C)  solid 
D)  all of these 
A)  gas 
B)  liquid 
C)  solid 
D)  all of these

Question 6

The temperature at which a liquid boils is the boiling point of the liquid. The boiling point is an indication of the intermolecular forces that hold the matter in the liquid state. Water, H2O, boils at 100°C. Ethanol, C2H6O boils at 78°C. Ammonia, NH3, boils at -33°C. Which one of the following ranks the intermolecular forces in these liquids from the strongest to the weakest?

Accepted Answer

A)  Water > Ammonia > Ethanol 
B)  Ammonia > Ethanol > Water 
C)  Ethanol > Water > Ammonia 
D)  Water > Ethanol > Ammonia 
A)  Water > Ammonia > Ethanol 
B)  Ammonia > Ethanol > Water 
C)  Ethanol > Water > Ammonia 
D)  Water > Ethanol > Ammonia

Question 7

According to the kinetic-molecular theory, there is very little attraction between particles of a gas.

Accepted Answer

A) True 
 B)False

Question 8

It requires more energy to melt one mole of an ionic compound than one mole of a molecular compound.

Accepted Answer

A) True 
 B)False

Question 9

The pressure of a gas will increase when

Accepted Answer

A)  the volume decreases. 
B)  the volume increases. 
C)  the temperature decreases. 
D)  the size of the container increases. 
A)  the volume decreases. 
B)  the volume increases. 
C)  the temperature decreases. 
D)  the size of the container increases.

Question 10

Matter is more likely to exist in the ________ state as the temperature is lowered.

Accepted Answer

A)  solid 
B)  liquid 
C)  gaseous 
D)  elemental 
A)  solid 
B)  liquid 
C)  gaseous 
D)  elemental

Question 11

Which of the following processes involves the removal of energy (heat)?

Accepted Answer

A)  condensation 
B)  melting 
C)  sublimation 
D)  vaporization 
A)  condensation 
B)  melting 
C)  sublimation 
D)  vaporization

Question 12

All of the following solvents are no longer widely used as solvents for nonpolar organic compounds EXCEPT

Accepted Answer

A)  benzene. 
B)  methylene chloride. 
C)  supercritical carbon dioxide (scCO2). 
D)  perchloroethylene. 
A)  benzene. 
B)  methylene chloride. 
C)  supercritical carbon dioxide (scCO2). 
D)  perchloroethylene.

Question 13

Which of the following is NOT a property of an ionic compound? Ionic compounds generally

Accepted Answer

A)  dissolve in water. 
B)  form solutions that conduct electricity well. 
C)  have melting points lower than those of molecular compounds. 
D)  require more energy to change from the liquid to the gaseous state. 
A)  dissolve in water. 
B)  form solutions that conduct electricity well. 
C)  have melting points lower than those of molecular compounds. 
D)  require more energy to change from the liquid to the gaseous state.

Question 14

The process by which a liquid is converted to a solid is called

Accepted Answer

A)  condensation. 
B)  freezing. 
C)  liquefaction. 
D)  vaporization. 
A)  condensation. 
B)  freezing. 
C)  liquefaction. 
D)  vaporization.

Question 15

Ionic compounds have strong forces between particles. This means that generally ionic compounds are ________ at room temperature.

Accepted Answer

A)  solids 
B)  liquids 
C)  gases 
D)  covalently bonded 
A)  solids 
B)  liquids 
C)  gases 
D)  covalently bonded

Question 16

Why are the melting points of ionic compounds higher than the melting points of molecular compounds?

Accepted Answer

Ionic compounds have stronger

Question 17

What is the predominant intermolecular force between HCl molecules?

Accepted Answer

A)  ionic bonds 
B)  hydrogen bonds 
C)  dipole forces 
D)  dispersion forces 
A)  ionic bonds 
B)  hydrogen bonds 
C)  dipole forces 
D)  dispersion forces

Question 18

According to the kinetic-molecular theory, gas molecules have

Accepted Answer

A)  strong interactions between molecules. 
B)  weak interactions between molecules. 
C)  little distance between molecules. 
D)  less energy than molecules of a solid. 
A)  strong interactions between molecules. 
B)  weak interactions between molecules. 
C)  little distance between molecules. 
D)  less energy than molecules of a solid.

Question 19

The temperature at which a solid melts is the melting point of the solid. The melting point is an indication of the intermolecular forces that hold the solid together. Water melts at 0°C. Table sugar (sucrose) melts at 285°C. Gallium, Ga, melts at 30°C. Which one of the following ranks the intermolecular forces in these solids from the strongest to the weakest?

Accepted Answer

A)  Ga > water > sucrose 
B)  sucrose > Ga > water 
C)  water > sucrose > Ga 
D)  Ga > sucrose > water 
A)  Ga > water > sucrose 
B)  sucrose > Ga > water 
C)  water > sucrose > Ga 
D)  Ga > sucrose > water

Question 20

Which state of matter is characterized by having molecules close together and confined in their movement?

Accepted Answer

A)  gas 
B)  liquid 
C)  solid 
D)  all of these 
A)  gas 
B)  liquid 
C)  solid 
D)  all of these

Which of the following ranks the three states of matter from most to least ordered?

Carbon dioxide is an example of a supercritical fluid.

Which of the following properties are NOT a characteristic of ionic compounds?

At STP, 22.4 liters of nitrogen gas, N₂, will have a mass of

Which state of matter is characterized by having molecules far apart and moving randomly?

According to the kinetic-molecular theory, there is very little attraction between particles of a gas.

It requires more energy to melt one mole of an ionic compound than one mole of a molecular compound.

The pressure of a gas will increase when

Matter is more likely to exist in the ________ state as the temperature is lowered.

Which of the following processes involves the removal of energy (heat)?

All of the following solvents are no longer widely used as solvents for nonpolar organic compounds EXCEPT

Which of the following is NOT a property of an ionic compound? Ionic compounds generally

The process by which a liquid is converted to a solid is called

Ionic compounds have strong forces between particles. This means that generally ionic compounds are ________ at room temperature.

Why are the melting points of ionic compounds higher than the melting points of molecular compounds?

What is the predominant intermolecular force between HCl molecules?

According to the kinetic-molecular theory, gas molecules have

Which state of matter is characterized by having molecules close together and confined in their movement?

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Exam 6: Gases, Liquids, Solids, and Intermolecular Forces

Which of the following ranks the three states of matter from most to least ordered?

Carbon dioxide is an example of a supercritical fluid.

Which of the following properties are NOT a characteristic of ionic compounds?

At STP, 22.4 liters of nitrogen gas, N2, will have a mass of

Which state of matter is characterized by having molecules far apart and moving randomly?

According to the kinetic-molecular theory, there is very little attraction between particles of a gas.

It requires more energy to melt one mole of an ionic compound than one mole of a molecular compound.

The pressure of a gas will increase when

Matter is more likely to exist in the ________ state as the temperature is lowered.

Which of the following processes involves the removal of energy (heat)?

All of the following solvents are no longer widely used as solvents for nonpolar organic compounds EXCEPT

Which of the following is NOT a property of an ionic compound? Ionic compounds generally

The process by which a liquid is converted to a solid is called

Ionic compounds have strong forces between particles. This means that generally ionic compounds are ________ at room temperature.

Why are the melting points of ionic compounds higher than the melting points of molecular compounds?

What is the predominant intermolecular force between HCl molecules?

According to the kinetic-molecular theory, gas molecules have

Which state of matter is characterized by having molecules close together and confined in their movement?

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

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At STP, 22.4 liters of nitrogen gas, N₂, will have a mass of