Question 1

A bubble with a volume of 1.0 cm3 forms at the bottom of a lake that is 20.0 m deep.The temperature at the bottom of the lake is 10.0 °C.The bubble rises to the surface where the temperature is 25.0 °C.Assume that the bubble is small enough that its temperature always matches that of its surroundings.What is the volume of the bubble just before it breaks the surface of the water?

Accepted Answer

A)  2.1 cm3
B)  2.8 cm3
C)  3.1 cm3
D)  6.0 cm3
E)  7.7 cm3F) B) and E)
G) C) and D)

Question 2

An automobile tire is inflated to a gauge pressure of 32 lb/in2 at a temperature of -10.0 °C.Under strenuous driving, the tire heats up to 40.0 °C.What is the new gauge pressure if the volume of the tire remains essentially the same? (atmospheric pressure = 14.7 lb/in2)

Accepted Answer

A)  17.5 lb/in2
B)  20.6 lb/in2
C)  38.0 lb/in2
D)  40.9 lb/in2
E)  55.6 lb/in2F) A) and B)
G) B) and E)

Question 3

A sample of neon gas at 20 °C is confined to a cylinder with a movable piston.The gas is then heated until its pressure is doubled.What is the final temperature of the gas?

Accepted Answer

A)  10 °C
B)  40 °C
C)  313 °C
D)  586 °C
E)  This cannot be found since the final and initial volumes are unknown.F) B) and C)
G) C) and D)

Question 4

Note the following six properties:  Which four of the listed properties are needed to describe an ideal gas?

Accepted Answer

A)  1, 2, 4, 6
B)  1, 3, 5, 6
C)  1, 3, 4, 6
D)  1, 4, 5, 6
E)  2, 4, 5, 6F) None of the above
G) A) and B)

Question 5

Complete the following statement: The pressure exerted by a monatomic, ideal gas on the walls of its containing vessel is a measure of

Accepted Answer

A)  the molecular kinetic energy per unit volume.
B)  the average random kinetic energy per molecule.
C)  the temperature of the gas, regardless of the volume of the vessel.
D)  the total internal energy of the gas, regardless of the volume of the vessel.
E)  the momentum per unit volume.F) A) and E)
G) B) and C)

Question 6

The volume of a carbon dioxide bubble rising in a glass of beer is observed to nearly double as the bubble rises from the bottom to the top of the glass.Why, according to our textbook, does the volume nearly double?

Accepted Answer

A)  The temperature at the bottom is cooler than it is at the top.
B)  The amount of carbon dioxide in the bubble increases.
C)  The fluid pressure of the beer is greater at the bottom of the glass than at the top.
D)  The pressure inside the bubble decreases as it rises.
E)  The shape of the glass determines the net force exerted on the bubble.F) A) and D)
G) A) and C)

Question 7

The density of diamond, a form of carbon, is 3520 kg/m3.If the atomic mass of carbon is 12.011 u, how many carbon atoms are there in a solid diamond sphere with a radius of 0.0125 m?

Accepted Answer

A)  1.15 × 1027 atoms
B)  5.76 × 1026 atoms
C)  2.88 × 1025 atoms
D)  1.44 × 1024 atoms
E)  7.21 × 1023 atomsF) A) and E)
G) All of the above

Question 8

Two pure samples of atoms, labeled A and B, contain titanium (Ti)  atoms and carbon (C)  atoms, respectively.Each sample contains the same number of atoms.What is the ratio of the mass of sample B to that of sample A, mB/mA? Note the following atomic masses: C = 12 u; Ti = 48 u.

Accepted Answer

A)  1.0
B)  0.25
C)  2.0
D)  0.50
E)  4.0F) All of the above
G) B) and C)

Question 9

At what temperature would one mole of molecular nitrogen (N2)  have 7.0 × 103 J of translational kinetic energy? Note: the atomic mass of N is 14 u.

Accepted Answer

A)  130 °C
B)  290 °C
C)  480 °C
D)  560 °C
E)  720 °CF) C) and D)
G) A) and B)

Question 10

A canister containing 115 kg of an ideal gas has a volume of 6.5 m3.If the gas exerts a pressure of 4.0 × 105 Pa, what is the rms speed of the molecules?

Accepted Answer

A)  260 m/s
B)  180 m/s
C)  310 m/s
D)  390 m/s
E)  420 m/sF) B) and E)
G) A) and D)

Question 11

Two moles of a monatomic gas with an rms speed of 294 m/s are contained in a tank that has a volume of 0.12 m3.If each gas particle has a mass of 8.220 × 10-26 kg, what is the absolute pressure of the gas?

Accepted Answer

A)  2.1 × 105 Pa
B)  1.1 × 104 Pa
C)  4.8 × 104 Pa
D)  2.4 × 104 Pa
E)  3.0 × 104 PaF) A) and B)
G) A) and C)

Question 12

A sealed container has a volume of 0.020 m3 and contains 15.0 g of molecular nitrogen (N2) , which has a molecular mass of 28.0 u.The gas is at 525 K.What is the absolute pressure of the nitrogen gas?

Accepted Answer

A)  3.9 × 10-19 Pa
B)  4.3 × 10-5 Pa
C)  1.2 × 105 Pa
D)  1.9 × 105 Pa
E)  4.3 × 106 PaF) C) and D)
G) All of the above

Question 13

How many moles are in a 0.53-kg sample of sulphur dioxide, SO2? (atomic masses: C = 32 u; O = 16 u)

Accepted Answer

A)  5.2
B)  8.3
C)  48
D)  1.6 × 104
E)  5.0 × 1024F) A) and E)
G) A) and D)

Question 14

Complete the following statement: The internal energy of an ideal monatomic gas is

Accepted Answer

A)  proportional to the pressure and inversely proportional to the volume of the gas.
B)  independent of the number of moles of the gas.
C)  proportional to the Kelvin temperature of the gas.
D)  dependent on both the pressure and the temperature of the gas.
E)  a constant that is independent of pressure, volume or temperature.F) C) and D)
G) B) and E)

Question 15

Calculate the rms speed of the carbon dioxide molecules in the air if the temperature is 15.0 °C.Note: The mass of the carbon dioxide molecule is 44.01 u.

Accepted Answer

A)  316 m/s
B)  469 m/s
C)  378 m/s
D)  404 m/s
E)  511 m/sF) None of the above
G) C) and D)

Exam 14: The Ideal Gas Law and Kinetic Theory

At what temperature would one mole of molecular nitrogen (N₂) have 7.0 × 10³ J of translational kinetic energy? Note: the atomic mass of N is 14 u.

Correct Answer
verified

Two pure samples of atoms, labeled A and B, contain titanium (Ti) atoms and carbon (C) atoms, respectively.Each sample contains the same number of atoms.What is the ratio of the mass of sample B to that of sample A, m_B/m_A? Note the following atomic masses: C = 12 u; Ti = 48 u.

Correct Answer
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Complete the following statement: The internal energy of an ideal monatomic gas is

Correct Answer
verified

The density of diamond, a form of carbon, is 3520 kg/m³.If the atomic mass of carbon is 12.011 u, how many carbon atoms are there in a solid diamond sphere with a radius of 0.0125 m?

Correct Answer
verified

Calculate the rms speed of the carbon dioxide molecules in the air if the temperature is 15.0 °C.Note: The mass of the carbon dioxide molecule is 44.01 u.

Correct Answer
verified

Correct Answer
verified

A sample of neon gas at 20 °C is confined to a cylinder with a movable piston.The gas is then heated until its pressure is doubled.What is the final temperature of the gas?

Correct Answer
verified

Complete the following statement: The pressure exerted by a monatomic, ideal gas on the walls of its containing vessel is a measure of

Correct Answer
verified

Note the following six properties: Which four of the listed properties are needed to describe an ideal gas?

Correct Answer
verified

Two moles of a monatomic gas with an rms speed of 294 m/s are contained in a tank that has a volume of 0.12 m³.If each gas particle has a mass of 8.220 × 10^-²⁶ kg, what is the absolute pressure of the gas?

Correct Answer
verified

A canister containing 115 kg of an ideal gas has a volume of 6.5 m³.If the gas exerts a pressure of 4.0 × 10⁵ Pa, what is the rms speed of the molecules?

Correct Answer
verified

The volume of a carbon dioxide bubble rising in a glass of beer is observed to nearly double as the bubble rises from the bottom to the top of the glass.Why, according to our textbook, does the volume nearly double?

Correct Answer
verified

How many moles are in a 0.53-kg sample of sulphur dioxide, SO₂? (atomic masses: C = 32 u; O = 16 u)

Correct Answer
verified

An automobile tire is inflated to a gauge pressure of 32 lb/in² at a temperature of -10.0 °C.Under strenuous driving, the tire heats up to 40.0 °C.What is the new gauge pressure if the volume of the tire remains essentially the same? (atmospheric pressure = 14.7 lb/in²)

Correct Answer
verified

A sealed container has a volume of 0.020 m³ and contains 15.0 g of molecular nitrogen (N₂) , which has a molecular mass of 28.0 u.The gas is at 525 K.What is the absolute pressure of the nitrogen gas?

Correct Answer
verified

Exam 14: The Ideal Gas Law and Kinetic Theory

At what temperature would one mole of molecular nitrogen (N2) have 7.0 × 103 J of translational kinetic energy? Note: the atomic mass of N is 14 u.

Correct AnswerverifiedShow Answer

Two pure samples of atoms, labeled A and B, contain titanium (Ti) atoms and carbon (C) atoms, respectively.Each sample contains the same number of atoms.What is the ratio of the mass of sample B to that of sample A, mB/mA? Note the following atomic masses: C = 12 u; Ti = 48 u.

Correct AnswerverifiedShow Answer

Complete the following statement: The internal energy of an ideal monatomic gas is

Correct AnswerverifiedShow Answer

The density of diamond, a form of carbon, is 3520 kg/m3.If the atomic mass of carbon is 12.011 u, how many carbon atoms are there in a solid diamond sphere with a radius of 0.0125 m?

Correct AnswerverifiedShow Answer

Calculate the rms speed of the carbon dioxide molecules in the air if the temperature is 15.0 °C.Note: The mass of the carbon dioxide molecule is 44.01 u.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A sample of neon gas at 20 °C is confined to a cylinder with a movable piston.The gas is then heated until its pressure is doubled.What is the final temperature of the gas?

Correct AnswerverifiedShow Answer

Complete the following statement: The pressure exerted by a monatomic, ideal gas on the walls of its containing vessel is a measure of

Correct AnswerverifiedShow Answer

Note the following six properties: Which four of the listed properties are needed to describe an ideal gas?

Correct AnswerverifiedShow Answer

Two moles of a monatomic gas with an rms speed of 294 m/s are contained in a tank that has a volume of 0.12 m3.If each gas particle has a mass of 8.220 × 10-26 kg, what is the absolute pressure of the gas?

Correct AnswerverifiedShow Answer

A canister containing 115 kg of an ideal gas has a volume of 6.5 m3.If the gas exerts a pressure of 4.0 × 105 Pa, what is the rms speed of the molecules?

Correct AnswerverifiedShow Answer

The volume of a carbon dioxide bubble rising in a glass of beer is observed to nearly double as the bubble rises from the bottom to the top of the glass.Why, according to our textbook, does the volume nearly double?

Correct AnswerverifiedShow Answer

How many moles are in a 0.53-kg sample of sulphur dioxide, SO2? (atomic masses: C = 32 u; O = 16 u)

Correct AnswerverifiedShow Answer

An automobile tire is inflated to a gauge pressure of 32 lb/in2 at a temperature of -10.0 °C.Under strenuous driving, the tire heats up to 40.0 °C.What is the new gauge pressure if the volume of the tire remains essentially the same? (atmospheric pressure = 14.7 lb/in2)

Correct AnswerverifiedShow Answer

A sealed container has a volume of 0.020 m3 and contains 15.0 g of molecular nitrogen (N2) , which has a molecular mass of 28.0 u.The gas is at 525 K.What is the absolute pressure of the nitrogen gas?

Correct AnswerverifiedShow Answer

At what temperature would one mole of molecular nitrogen (N₂) have 7.0 × 10³ J of translational kinetic energy? Note: the atomic mass of N is 14 u.

Correct Answer
verified

Two pure samples of atoms, labeled A and B, contain titanium (Ti) atoms and carbon (C) atoms, respectively.Each sample contains the same number of atoms.What is the ratio of the mass of sample B to that of sample A, m_B/m_A? Note the following atomic masses: C = 12 u; Ti = 48 u.

Correct Answer
verified

Correct Answer
verified

The density of diamond, a form of carbon, is 3520 kg/m³.If the atomic mass of carbon is 12.011 u, how many carbon atoms are there in a solid diamond sphere with a radius of 0.0125 m?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Two moles of a monatomic gas with an rms speed of 294 m/s are contained in a tank that has a volume of 0.12 m³.If each gas particle has a mass of 8.220 × 10^-²⁶ kg, what is the absolute pressure of the gas?

Correct Answer
verified

A canister containing 115 kg of an ideal gas has a volume of 6.5 m³.If the gas exerts a pressure of 4.0 × 10⁵ Pa, what is the rms speed of the molecules?

Correct Answer
verified

Correct Answer
verified

How many moles are in a 0.53-kg sample of sulphur dioxide, SO₂? (atomic masses: C = 32 u; O = 16 u)

Correct Answer
verified

An automobile tire is inflated to a gauge pressure of 32 lb/in² at a temperature of -10.0 °C.Under strenuous driving, the tire heats up to 40.0 °C.What is the new gauge pressure if the volume of the tire remains essentially the same? (atmospheric pressure = 14.7 lb/in²)

Correct Answer
verified

A sealed container has a volume of 0.020 m³ and contains 15.0 g of molecular nitrogen (N₂) , which has a molecular mass of 28.0 u.The gas is at 525 K.What is the absolute pressure of the nitrogen gas?

Correct Answer
verified