Question 1

For a given amount of gas at a constant temperature, the volume of gas varies inversely with its pressure is a statement of ________ Law.

Accepted Answer

A)  Charles's 
B)  Avogadro's 
C)  Boyle's 
D)  Curie's 
A)  Charles's 
B)  Avogadro's 
C)  Boyle's 
D)  Curie's

Question 2

The density of Xe at STP is

Accepted Answer

A)  5.86 g/L. 
B)  16.4 g/L. 
C)  32.8 g/L. 
D)  48.2 g/L. 
A)  5.86 g/L. 
B)  16.4 g/L. 
C)  32.8 g/L. 
D)  48.2 g/L.

Question 3

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

Accepted Answer

A)  condensation. 
B)  ionization. 
C)  sublimation. 
D)  vaporization. 
A)  condensation. 
B)  ionization. 
C)  sublimation. 
D)  vaporization.

Question 4

The statement that the volume of a fixed amount of a gas at a constant pressure is directly proportional to its absolute temperature is known as ________ Law.

Accepted Answer

A)  Charles's 
B)  Boyle's 
C)  Gay-Lussac's 
D)  Avogadro's 
A)  Charles's 
B)  Boyle's 
C)  Gay-Lussac's 
D)  Avogadro's

Question 5

A balloon is inflated outdoors on a cold day in North Dakota at a temperature of -35°C to a volume of 3.0 L. The pressure remains constant. What is the volume of the balloon indoors at a temperature of 25°C?

Accepted Answer

A)  2.4 L 
B)  3.8 L 
C)  3.2 L 
D)  2.1 L 
A)  2.4 L 
B)  3.8 L 
C)  3.2 L 
D)  2.1 L

Question 6

If the pressure of a gas rises, the gas molecules will strike the walls of its container more frequently. (Assume that the container has a definite shape and volume.)

Accepted Answer

A) True 
 B)False

Question 7

Methanol

Accepted Answer

A)  can dissolve in water and will not conduct electricity. 
B)  can dissolve in water and will conduct electricity. 
C)  does not dissolve in water and will not conduct electricity. 
D)  does not dissolve in water and will conduct electricity. 
A)  can dissolve in water and will not conduct electricity. 
B)  can dissolve in water and will conduct electricity. 
C)  does not dissolve in water and will not conduct electricity. 
D)  does not dissolve in water and will conduct electricity.

Question 8

Matter is more likely to exist in the ________ state as the pressure is increased.

Accepted Answer

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

Question 9

Charles's Law relates the volume and temperature of a gas sample at constant pressure. What would be the temperature of a gas sample when its volume is 0 L?

Accepted Answer

A)  273°C 
B)  -273°C 
C)  0°C 
D)  273 K 
A)  273°C 
B)  -273°C 
C)  0°C 
D)  273 K

Question 10

A gas is enclosed in a cylinder fitted with a piston. The volume of the gas is 5.00 L at 0.500 atm pressure. The piston is moved to increase the volume to 3.00 L. Which of the following is a reasonable value for the pressure of the gas at the greater volume?

Accepted Answer

A)  0.300 atm 
B)  0.833 atm 
C)  30.0 atm 
D)  0.0333 atm 
A)  0.300 atm 
B)  0.833 atm 
C)  30.0 atm 
D)  0.0333 atm

Question 11

The temperature at which a liquid becomes a solid is called the

Accepted Answer

A)  melting point. 
B)  decomposition point. 
C)  boiling point. 
D)  condensation point. 
A)  melting point. 
B)  decomposition point. 
C)  boiling point. 
D)  condensation point.

Question 12

Which of the following compounds will have the highest melting point?

Accepted Answer

A)  SO2 
B)  BaF2 
C)  N2H4 
D)  SCl6 
A)  SO2 
B)  BaF2 
C)  N2H4 
D)  SCl6

Question 13

A liquid

Accepted Answer

A)  has a definite volume and a definite shape. 
B)  has a definite shape but no definite volume. 
C)  has a definite volume but no definite shape. 
D)  is readily compressible. 
A)  has a definite volume and a definite shape. 
B)  has a definite shape but no definite volume. 
C)  has a definite volume but no definite shape. 
D)  is readily compressible.

Question 14

The volume of one mole of krypton at STP is

Accepted Answer

A)  12.4 liters. 
B)  22.4 liters. 
C)  12.4 gallons. 
D)  6.02 × 1023 liters. 
A)  12.4 liters. 
B)  22.4 liters. 
C)  12.4 gallons. 
D)  6.02 × 1023 liters.

Question 15

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 a solid together. Aluminum melts at 660°C. Gold melts at 1064°C. Lead melts at 328°C. Which one of the following ranks the intermolecular forces in these solid elements from the strongest to the weakest?

Accepted Answer

A)  Au > Al > Pb 
B)  Al > Au > Pb 
C)  Pb > Au > Al 
D)  Au > Pb > Al 
A)  Au > Al > Pb 
B)  Al > Au > Pb 
C)  Pb > Au > Al 
D)  Au > Pb > Al

Question 16

Assume that you have a sample of a gas. You know the volume, the temperature and the number of moles of the sample. Which of the following laws would you use if you wanted to calculate the pressure of the sample?

Accepted Answer

A)  Boyle's Law 
B)  Charles's Law 
C)  Law of Combining Volumes 
D)  Ideal Gas Law 
A)  Boyle's Law 
B)  Charles's Law 
C)  Law of Combining Volumes 
D)  Ideal Gas Law

Question 17

In the ideal gas law equation, PV = nRT, R is known as

Accepted Answer

A)  the pressure. 
B)  a radian. 
C)  the universal gas constant. 
D)  a revolution. 
A)  the pressure. 
B)  a radian. 
C)  the universal gas constant. 
D)  a revolution.

Question 18

The attraction between an ion and water molecules is

Accepted Answer

A)  ion-ion interaction. 
B)  ion-dipole interaction. 
C)  hydrogen bonding. 
D)  dispersion interaction. 
A)  ion-ion interaction. 
B)  ion-dipole interaction. 
C)  hydrogen bonding. 
D)  dispersion interaction.

Question 19

Water is a liquid at room temperature while methane is a gas. Which statement compares the intermolecular forces in these molecules correctly?

Accepted Answer

A)  The intermolecular forces in methane are stronger than those in water. 
B)  The intermolecular forces in water are stronger than those in methane. 
C)  Both water and methane have the same intermolecular forces. 
D)  There is not enough information to compare these forces. 
A)  The intermolecular forces in methane are stronger than those in water. 
B)  The intermolecular forces in water are stronger than those in methane. 
C)  Both water and methane have the same intermolecular forces. 
D)  There is not enough information to compare these forces.

Question 20

The conditions for standard temperature and pressure (STP) are 1 atm pressure and 0°C.

Accepted Answer

A) True 
 B)False

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

For a given amount of gas at a constant temperature, the volume of gas varies inversely with its pressure is a statement of ________ Law.

The density of Xe at STP is

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

The statement that the volume of a fixed amount of a gas at a constant pressure is directly proportional to its absolute temperature is known as ________ Law.

A balloon is inflated outdoors on a cold day in North Dakota at a temperature of -35°C to a volume of 3.0 L. The pressure remains constant. What is the volume of the balloon indoors at a temperature of 25°C?

If the pressure of a gas rises, the gas molecules will strike the walls of its container more frequently. (Assume that the container has a definite shape and volume.)

Methanol

Matter is more likely to exist in the ________ state as the pressure is increased.

Charles's Law relates the volume and temperature of a gas sample at constant pressure. What would be the temperature of a gas sample when its volume is 0 L?

A gas is enclosed in a cylinder fitted with a piston. The volume of the gas is 5.00 L at 0.500 atm pressure. The piston is moved to increase the volume to 3.00 L. Which of the following is a reasonable value for the pressure of the gas at the greater volume?

The temperature at which a liquid becomes a solid is called the

Which of the following compounds will have the highest melting point?

A liquid

The volume of one mole of krypton at STP is

Assume that you have a sample of a gas. You know the volume, the temperature and the number of moles of the sample. Which of the following laws would you use if you wanted to calculate the pressure of the sample?

In the ideal gas law equation, PV = nRT, R is known as

The attraction between an ion and water molecules is

Water is a liquid at room temperature while methane is a gas. Which statement compares the intermolecular forces in these molecules correctly?

The conditions for standard temperature and pressure (STP) are 1 atm pressure and 0°C.

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

Filters