Question 1

What happens to its moment of inertia when a steel disk is heated?

Accepted Answer

A)  It increases.
B)  It decreases.
C)  It stays the same.
D)  It increases for half the temperature increase and then decreases for the rest of the temperature increase.E) A) and B)
F) All of the above

Question 2

An ideal gas is confined to a container with adjustable volume.The pressure and mole number are constant.By what factor will volume change if absolute temperature triples?

Accepted Answer

A)  1/9
B)  1/3
C)  3.0
D)  9.0E) C) and D)
F) B) and C)

Question 3

With volume and molar quantity held constant, by what factor does the absolute temperature change for an ideal gas when the pressure is five times bigger?

Accepted Answer

A)  0.2
B)  1.0
C)  5.0
D)  25.0E) None of the above
F) B) and D)

Question 4

An interval of one Celsius degree is equivalent to an interval of:

Accepted Answer

A)  one Fahrenheit degree.
B)  one kelvin.
C)  5/9 Fahrenheit degree.
D)  5/9 kelvin.E) A) and B)
F) A) and C)

Question 5

Evaporation cools the liquid that is left behind because the molecules that leave the liquid during evaporation:

Accepted Answer

A)  have kinetic energy.
B)  have greater than average speed.
C)  have broken the bonds that held them in the liquid.
D)  create vapor pressure.E) All of the above
F) C) and D)

Question 6

At room temperature, the coefficient of linear expansion for Pyrex glass is ____ that for ordinary glass.

Accepted Answer

A)  the same as
B)  more than
C)  less than
D)  stronger thanE) B) and C)
F) B) and D)

Question 7

If it is given that 546 K equals 273 °\degree° C, then it follows that 400 K equals:

Accepted Answer

A)  127 °\degree° C.
B)  150 °\degree° C.
C)  473 °\degree° C.
D)  1 200 °\degree° C. E) A) and D)
F) B) and C)

Question 8

What happens to a given volume of water when heated from 0 °\degree° C to 4 °\degree° C?

Accepted Answer

A)  density increases
B)  density decreases
C)  density remains constant
D)  vaporizes E) B) and C)
F) A) and C)

Question 9

A long steel beam has a length of twenty-five meters on a cold day when the temperature is 0 °\degree° C.What is the length of the beam on a hot day when T = 40 °\degree° C? (asteel = 1.1 * 10-5/C °\degree° )

Accepted Answer

A)  25.000 44 m
B)  25.004 4 m
C)  25.011 m
D)  25.044 m E) All of the above
F) A) and C)

Question 10

Carbon dioxide forms into a solid (dry ice)  at approximately -157 °\degree° F.What temperature in degrees Celsius does this correspond to?

Accepted Answer

A)  -157 °\degree° C
B)  -93 °\degree° C
C)  -121 °\degree° C
D)  -105 °\degree° C E) B) and D)
F) B) and C)

Question 11

A spherical air bubble originating from a scuba diver at a depth of 18.0 m has a diameter of 1.0 cm.What will the bubble's diameter be when it reaches the surface? (Assume constant temperature.)

Accepted Answer

A)  0.7 cm
B)  1.0 cm
C)  1.4 cm
D)  1.7 cmE) All of the above
F) A) and B) C

Question 12

How many moles of air must escape from a 10-m * 8.0-m * 5.0-m room when the temperature is raised from 0 °\degree° C to 20 °\degree° C? Assume the pressure remains unchanged at one atmosphere while the room is heated.

Accepted Answer

A)  1.3 * 103 moles
B)  1.2 * 103 moles
C)  7.5 * 102 moles
D)  3.7 * 102 moles E) A) and B)
F) A) and D)

Question 13

What happens to a volume of water when its temperature is reduced from 8 °\degree° C to 4 °\degree° C?

Accepted Answer

A)  density increases
B)  density decreases
C)  density remains constant
D)  vaporizes E) B) and D)
F) All of the above

Question 14

At 20 °\degree° C an aluminum ring has an inner diameter of 5.000 cm, and a brass rod has a diameter of 5.050 cm.Keeping the brass rod at 20 °\degree° C, which of the following temperatures of the ring will allow the ring to just slip over the brass rod? (aAl = 2.4 * 10-5 /C °\degree° , abrass = 1.9 * 10-5/C °\degree° )

Accepted Answer

A)  111 °\degree° C
B)  236 °\degree° C
C)  384 °\degree° C
D)  437 °\degree° C E) A) and B)
F) All of the above D

Question 15

A steel wire, 150 m long at 10 °\degree° C, has a coefficient of linear expansion of 11 * 10-6/C °\degree° .Give its change in length as the temperature changes from 10 °\degree° C to 45 °\degree° C.

Accepted Answer

A)  0.65 cm
B)  1.8 cm
C)  5.8 cm
D)  12 cm E) All of the above
F) C) and D) C

Question 16

As a copper wire is heated, its length increases by 0.100%.What is the change of the temperature of the wire? (aCu = 16.6 * 10-6/C °\degree° )

Accepted Answer

A)  120.4 °\degree° C
B)  60.2 °\degree° C
C)  30.1 °\degree° C
D)  6.0 °\degree° C E) A) and D)
F) All of the above

Question 17

The coefficient of area expansion is:

Accepted Answer

A)  half the coefficient of volume expansion.
B)  three halves the coefficient of volume expansion.
C)  double the coefficient of linear expansion.
D)  triple the coefficient of linear expansion.E) A) and B)
F) A) and C)

Question 18

Consider two containers with the same volume and temperature.Container One holds "dry" air--a mixture of nitrogen and oxygen.Container Two holds "moist" air.The "moist" air has the same ratio of nitrogen to oxygen molecules, but also contains water vapor.According to the ideal gas law, if the pressures are equal, the weight of the gas in Container One will be:

Accepted Answer

A)  lighter than the gas inside the second container.
B)  equal to the weight of the gas in the second container.
C)  heavier than the gas inside the second container.
D)  all the above are incorrect because the pressures cannot be equal.E) A) and B)
F) A) and C)

Question 19

Between 0 °\degree°  and 4 °\degree° C, the volume coefficient of expansion for water:

Accepted Answer

A)  is positive.
B)  is zero.
C)  is becoming less dense.
D)  is negative. E) B) and C)
F) A) and D)

Question 20

A quantity of a monatomic ideal gas expands to twice the volume while maintaining the same pressure.If the internal energy of the gas were U0 before the expansion, what is it after the expansion?

Accepted Answer

A)  U0
B)  2 U0
C)  4 U0
D)  The change in temperature must also be known to answer this question.E) None of the above
F) A) and D)

Exam 10: Thermal Physics

What happens to its moment of inertia when a steel disk is heated?

Correct Answer
verified

An ideal gas is confined to a container with adjustable volume.The pressure and mole number are constant.By what factor will volume change if absolute temperature triples?

Correct Answer
verified

With volume and molar quantity held constant, by what factor does the absolute temperature change for an ideal gas when the pressure is five times bigger?

Correct Answer
verified

An interval of one Celsius degree is equivalent to an interval of:

Correct Answer
verified

Evaporation cools the liquid that is left behind because the molecules that leave the liquid during evaporation:

Correct Answer
verified

At room temperature, the coefficient of linear expansion for Pyrex glass is ____ that for ordinary glass.

Correct Answer
verified

If it is given that 546 K equals 273 $\degree$ C, then it follows that 400 K equals:

Correct Answer
verified

What happens to a given volume of water when heated from 0 $\degree$ C to 4 $\degree$ C?

Correct Answer
verified

A long steel beam has a length of twenty-five meters on a cold day when the temperature is 0 $\degree$ C.What is the length of the beam on a hot day when T = 40 $\degree$ C? (a_steel = 1.1 * 10^-5/C $\degree$ )

Correct Answer
verified

Carbon dioxide forms into a solid (dry ice) at approximately -157 $\degree$ F.What temperature in degrees Celsius does this correspond to?

Correct Answer
verified

A spherical air bubble originating from a scuba diver at a depth of 18.0 m has a diameter of 1.0 cm.What will the bubble's diameter be when it reaches the surface? (Assume constant temperature.)

Correct Answer
verified
C

How many moles of air must escape from a 10-m * 8.0-m * 5.0-m room when the temperature is raised from 0 $\degree$ C to 20 $\degree$ C? Assume the pressure remains unchanged at one atmosphere while the room is heated.

Correct Answer
verified

What happens to a volume of water when its temperature is reduced from 8 $\degree$ C to 4 $\degree$ C?

Correct Answer
verified

Correct Answer
verified
D

A steel wire, 150 m long at 10 $\degree$ C, has a coefficient of linear expansion of 11 * 10^-6/C $\degree$ .Give its change in length as the temperature changes from 10 $\degree$ C to 45 $\degree$ C.

Correct Answer
verified
C

As a copper wire is heated, its length increases by 0.100%.What is the change of the temperature of the wire? (a_Cu= 16.6 * 10^-6/C $\degree$ )

Correct Answer
verified

The coefficient of area expansion is:

Correct Answer
verified

Correct Answer
verified

Between 0 $\degree$ and 4 $\degree$ C, the volume coefficient of expansion for water:

Correct Answer
verified

A quantity of a monatomic ideal gas expands to twice the volume while maintaining the same pressure.If the internal energy of the gas were U₀ before the expansion, what is it after the expansion?

Correct Answer
verified

Exam 10: Thermal Physics

What happens to its moment of inertia when a steel disk is heated?

Correct AnswerverifiedShow Answer

An ideal gas is confined to a container with adjustable volume.The pressure and mole number are constant.By what factor will volume change if absolute temperature triples?

Correct AnswerverifiedShow Answer

With volume and molar quantity held constant, by what factor does the absolute temperature change for an ideal gas when the pressure is five times bigger?

Correct AnswerverifiedShow Answer

An interval of one Celsius degree is equivalent to an interval of:

Correct AnswerverifiedShow Answer

Evaporation cools the liquid that is left behind because the molecules that leave the liquid during evaporation:

Correct AnswerverifiedShow Answer

At room temperature, the coefficient of linear expansion for Pyrex glass is ____ that for ordinary glass.

Correct AnswerverifiedShow Answer

If it is given that 546 K equals 273 °\degree° C, then it follows that 400 K equals:

Correct AnswerverifiedShow Answer

What happens to a given volume of water when heated from 0 °\degree° C to 4 °\degree° C?

Correct AnswerverifiedShow Answer

A long steel beam has a length of twenty-five meters on a cold day when the temperature is 0 °\degree° C.What is the length of the beam on a hot day when T = 40 °\degree° C? (asteel = 1.1 * 10-5/C °\degree° )

Correct AnswerverifiedShow Answer

Carbon dioxide forms into a solid (dry ice) at approximately -157 °\degree° F.What temperature in degrees Celsius does this correspond to?

Correct AnswerverifiedShow Answer

A spherical air bubble originating from a scuba diver at a depth of 18.0 m has a diameter of 1.0 cm.What will the bubble's diameter be when it reaches the surface? (Assume constant temperature.)

Correct AnswerverifiedC

How many moles of air must escape from a 10-m * 8.0-m * 5.0-m room when the temperature is raised from 0 °\degree° C to 20 °\degree° C? Assume the pressure remains unchanged at one atmosphere while the room is heated.

Correct AnswerverifiedShow Answer

What happens to a volume of water when its temperature is reduced from 8 °\degree° C to 4 °\degree° C?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedD

A steel wire, 150 m long at 10 °\degree° C, has a coefficient of linear expansion of 11 * 10-6/C °\degree° .Give its change in length as the temperature changes from 10 °\degree° C to 45 °\degree° C.

Correct AnswerverifiedC

As a copper wire is heated, its length increases by 0.100%.What is the change of the temperature of the wire? (aCu = 16.6 * 10-6/C °\degree° )

Correct AnswerverifiedShow Answer

The coefficient of area expansion is:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Between 0 °\degree° and 4 °\degree° C, the volume coefficient of expansion for water:

Correct AnswerverifiedShow Answer

A quantity of a monatomic ideal gas expands to twice the volume while maintaining the same pressure.If the internal energy of the gas were U0 before the expansion, what is it after the expansion?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

If it is given that 546 K equals 273 $\degree$ C, then it follows that 400 K equals:

Correct Answer
verified

What happens to a given volume of water when heated from 0 $\degree$ C to 4 $\degree$ C?

Correct Answer
verified

A long steel beam has a length of twenty-five meters on a cold day when the temperature is 0 $\degree$ C.What is the length of the beam on a hot day when T = 40 $\degree$ C? (a_steel = 1.1 * 10^-5/C $\degree$ )

Correct Answer
verified

Carbon dioxide forms into a solid (dry ice) at approximately -157 $\degree$ F.What temperature in degrees Celsius does this correspond to?

Correct Answer
verified

Correct Answer
verified
C

How many moles of air must escape from a 10-m * 8.0-m * 5.0-m room when the temperature is raised from 0 $\degree$ C to 20 $\degree$ C? Assume the pressure remains unchanged at one atmosphere while the room is heated.

Correct Answer
verified

What happens to a volume of water when its temperature is reduced from 8 $\degree$ C to 4 $\degree$ C?

Correct Answer
verified

Correct Answer
verified
D

A steel wire, 150 m long at 10 $\degree$ C, has a coefficient of linear expansion of 11 * 10^-6/C $\degree$ .Give its change in length as the temperature changes from 10 $\degree$ C to 45 $\degree$ C.

Correct Answer
verified
C

As a copper wire is heated, its length increases by 0.100%.What is the change of the temperature of the wire? (a_Cu= 16.6 * 10^-6/C $\degree$ )

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Between 0 $\degree$ and 4 $\degree$ C, the volume coefficient of expansion for water:

Correct Answer
verified

A quantity of a monatomic ideal gas expands to twice the volume while maintaining the same pressure.If the internal energy of the gas were U₀ before the expansion, what is it after the expansion?

Correct Answer
verified