Question 1

Systems that are left alone, tend to move toward a state of

Accepted Answer

A)   more entropy.
B)   less entropy.
C)   no entropy.

Question 2

A volume of air has a temperature of 0 degrees Celsius. An equal volume of air that is twice as hot has a temperature of

Accepted Answer

A)   64 degrees C.
B)   273 degrees C.
C)   100 degrees C.
D)   0 degrees C.
E)   None of the above choices are correct.

Question 3

Which of the following expands most when the temperature is lowered? Equal volumes of

Accepted Answer

A)   helium.
B)   wood.
C)   iron.
D)   water at 4 degrees C.
E)   None expands when the temperature is lowered.

Question 4

When an iron ring is heated, the hole becomes

Accepted Answer

A)   smaller.
B)   larger.
C)   neither smaller nor larger.
D)   either smaller or larger, depending on the ring thickness.

Question 5

A substance that heats up relatively quickly has a

Accepted Answer

A)   high conductivity.
B)   low specific heat.
C)   low conductivity.
D)   high specific heat. B

Question 6

One hundred joules of heat is added to a system that performs 60 joules of work. The internal energy change of the system is

Accepted Answer

A)   40 J.
B)   100 J.
C)   0 J.
D)   60 J.
E)   None of the above choices are correct.

Question 7

Ice tends to form first at the

Accepted Answer

A)   bottom of bodies of water.
B)   surface of bodies of water.
C)   surface or bottom depending on the water depth.

Question 8

Room temperature on the Kelvin scale is about

Accepted Answer

A)   100 K.
B)   300 K.
C)   200 K.
D)   400 K.
E)   more than 400 K.

Question 9

As a system becomes more disordered, entropy

Accepted Answer

A)   decreases.
B)   increases.
C)   remains the same.

Question 10

If glass expanded more than mercury, then the column of mercury in a mercury thermometer would rise when the temperature

Accepted Answer

A)   decreases.
B)   increases.
C)   neither of these A

Question 11

Can a sample of water possibly have the same volume after being warmed by several Celsius degrees?

Accepted Answer

A)   sometimes
B)   always
C)   never

Question 12

Suppose you put a closed, sealed can of air on a hot stove burner. The contained air will undergo an increase in

Accepted Answer

A)   internal energy, temperature and pressure.
B)   pressure.
C)   temperature and pressure.
D)   temperature.
E)   internal energy.

Question 13

Which of the following normally warms up fastest when heat is applied?

Accepted Answer

A)   iron
B)   wood
C)   glass
D)   water
E)   All of the above choices are equally true.

Question 14

The lowest temperature possible in nature is

Accepted Answer

A)   4 K.
B)   -273 degrees C.
C)   0 degrees C.

Question 15

Heat energy is measured in units of

Accepted Answer

A)   joules.
B)   calories.
C)   Choices A and B are both true.
D)   Choices A and B are both false.

Question 16

When we enlarge a photograph of an iron ring, the image of the hole becomes

Accepted Answer

A)   larger.
B)   smaller.
C)   neither smaller nor larger.

Question 17

The moderate temperatures of islands throughout the world has much to do with water's

Accepted Answer

A)   high specific heat.
B)   absorption of solar energy.
C)   poor conductivity.
D)   vast supply of internal energy.
E)   high evaporation rate. A

Question 18

Microscopic slush in water tends to make the water density

Accepted Answer

A)   greater.
B)   less.
C)   no change

Question 19

Sue's refrigerator is built into the wall of her kitchen, so that it exhausts heat to the outdoors rather than into the room. If Sue tries to cool her kitchen by leaving the refrigerator door open, the room temperature will

Accepted Answer

A)   increase at least slightly.
B)   decrease at least slightly.
C)   remain unchanged.

Question 20

As a piece of metal with a hole in it cools, the diameter of the hole

Accepted Answer

A)   increases.
B)   decreases.
C)   remains the same.

Exam 8: Temperature, Heat, and Thermodynamics

Systems that are left alone, tend to move toward a state of

Correct AnswerverifiedShow Answer

A volume of air has a temperature of 0 degrees Celsius. An equal volume of air that is twice as hot has a temperature of

Correct AnswerverifiedShow Answer

Which of the following expands most when the temperature is lowered? Equal volumes of

Correct AnswerverifiedShow Answer

When an iron ring is heated, the hole becomes

Correct AnswerverifiedShow Answer

A substance that heats up relatively quickly has a

Correct AnswerverifiedB

One hundred joules of heat is added to a system that performs 60 joules of work. The internal energy change of the system is

Correct AnswerverifiedShow Answer

Ice tends to form first at the

Correct AnswerverifiedShow Answer

Room temperature on the Kelvin scale is about

Correct AnswerverifiedShow Answer

As a system becomes more disordered, entropy

Correct AnswerverifiedShow Answer

If glass expanded more than mercury, then the column of mercury in a mercury thermometer would rise when the temperature

Correct AnswerverifiedA

Can a sample of water possibly have the same volume after being warmed by several Celsius degrees?

Correct AnswerverifiedShow Answer

Suppose you put a closed, sealed can of air on a hot stove burner. The contained air will undergo an increase in

Correct AnswerverifiedShow Answer

Which of the following normally warms up fastest when heat is applied?

Correct AnswerverifiedShow Answer

The lowest temperature possible in nature is

Correct AnswerverifiedShow Answer

Heat energy is measured in units of

Correct AnswerverifiedShow Answer

When we enlarge a photograph of an iron ring, the image of the hole becomes

Correct AnswerverifiedShow Answer

The moderate temperatures of islands throughout the world has much to do with water's

Correct AnswerverifiedA

Microscopic slush in water tends to make the water density

Correct AnswerverifiedShow Answer

Sue's refrigerator is built into the wall of her kitchen, so that it exhausts heat to the outdoors rather than into the room. If Sue tries to cool her kitchen by leaving the refrigerator door open, the room temperature will

Correct AnswerverifiedShow Answer

As a piece of metal with a hole in it cools, the diameter of the hole

Correct AnswerverifiedShow Answer

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B

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A

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A

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