Question 1

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.E) A) and B)
F) C) and D)

Question 2

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 atmE) B) and C)
F) A) and D)

Question 3

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 LawE) None of the above
F) C) and D)

Question 4

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 LE) A) and B)
F) A) and C)

Question 5

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.E) B) and C)
F) B) and D)

Question 6

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.E) B) and C)
F) A) and D)

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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.E) A) and B)
F) None of the above

Question 9

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'sE) B) and D)
F) B) and C)

Question 10

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

Accepted Answer

A)   solid
B)   liquid
C)   gaseous
D)   elementalE) A) and D)
F) A) and C)

Question 11

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'sE) A) and B)
F) None of the above

Question 12

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.E) A) and B)
F) C) and D)

Question 13

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.E) A) and B)
F) None of the above

Question 14

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 > AlE) C) and D)
F) B) and D)

Question 15

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.E) B) and D)
F) All of the above

Question 16

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.E) None of the above
F) A) and B)

Question 17

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 KE) A) and D)
F) All of the above

Question 18

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

Accepted Answer

A)   SO2
B)   BaF2
C)   N2H4
D)   SCl6E) A) and B)
F) A) and C)

Question 19

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 20

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

Accepted Answer

A)   condensation.
B)   ionization.
C)   sublimation.
D)   vaporization.E) B) and D)
F) A) and B)

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

A liquid

Correct Answer
verified

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

Correct Answer
verified

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?

Correct Answer
verified

The volume of one mole of krypton at STP is

Correct Answer
verified

The density of Xe at STP is

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Methanol

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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?

Correct Answer
verified

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.)

Correct Answer
verified

The attraction between an ion and water molecules is

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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.

Correct Answer
verified

Correct Answer
verified

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

A liquid

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

The volume of one mole of krypton at STP is

Correct AnswerverifiedShow Answer

The density of Xe at STP is

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Methanol

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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.)

Correct AnswerverifiedShow Answer

The attraction between an ion and water molecules is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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