Question 1

To say that water has a high specific heat capacity is to say that water

Accepted Answer

A)  requires a lot of energy for an increase in temperature.
B)  releases a lot of energy in cooling.
C)  absorbs a lot of energy for an increase in temperature.
D)  all of the above

Question 2

Whether one object is warmer than another object has most to do with

Accepted Answer

A)  molecular kinetic energy.
B)  molecular potential energy.
C)  heat flow.
D)  masses of internal particles.

Question 3

If the same quantity of heat is added to both a 2-liter and a 4-liter container of water, the temperature change for water in the 4-liter container will be

Accepted Answer

A)  half that of the 2-liter container.
B)  more than half but less than twice.
C)  twice that of the 2-liter container.
D)  no change.

Question 4

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

Accepted Answer

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

Question 5

A nutritionist in the United States measures the food energy in units of

Accepted Answer

A)  calories.
B)  Calories.
C)  joules.
D)  none of the above

Question 6

The temperature of melting ice is

Accepted Answer

A)  0°C.
B)  32°F.
C)  both

Question 7

Which law of thermodynamics is a restatement of the conservation of energy as it applies to thermal systems?

Accepted Answer

A)  first law
B)  second law
C)  third law
D)  all of the above

Question 8

Place a kilogram block of iron at 40°C into a kilogram of water at 20°C and the final temperature of the two becomes

Accepted Answer

A)  less than 30°C.
B)  at or about 30°C.
C)  more than 30°C.

Question 9

During a very cold winter, water pipes sometimes burst because

Accepted Answer

A)  the ground contracts when colder, pulling pipes apart.
B)  water expands when freezing.
C)  water contracts when freezing.
D)  the thawing process releases pressure on the pipes.
E)  none of the above

Question 10

Entropy is most closely related to the

Accepted Answer

A)  first law of thermodynamics.
B)  second law of thermodynamics.
C)  both
D)  neither

Question 11

The open spaces in the crystal lattice of ice contain

Accepted Answer

A)  vapor.
B)  trace amounts of water.
C)  nothing.

Question 12

A metal ring with a gap in it is shaped like the letter C. When the hot metal cools, the gap becomes

Accepted Answer

A)  wider.
B)  narrower.
C)  remains the same size.

Question 13

Which of the following contracts most when the temperature is decreased? Equal volumes of

Accepted Answer

A)  iron.
B)  wood.
C)  water.
D)  helium.
E)  all contract the same

Question 14

The density of water at 4°C will slightly decrease when it is

Accepted Answer

A)  cooled.
B)  warmed.
C)  both
D)  neither

Question 15

The lowest temperature possible in nature is

Accepted Answer

A)  0°C.
B)  -273°C.
C)  4 K.

Question 16

Heat is thermal energy that matter

Accepted Answer

A)  contains.
B)  transfers.
C)  both
D)  none of the above

Question 17

Which will cool faster when taken from a furnace?

Accepted Answer

A)  iron
B)  silver
C)  the same

Question 18

A piece of iron and a cup of water both have the same temperature. If they are heated so the thermal energy of each doubles,

Accepted Answer

A)  the water will have the higher temperature.
B)  the iron will have the higher temperature.
C)  both will have the same temperature.
D)  not enough information

Question 19

When work is done by a system and no heat is added, the temperature of the system

Accepted Answer

A)  increases.
B)  decreases.
C)  remains unchanged.

Question 20

The temperature at the bottom of Lake Tahoe, high in the Sierra Mountains in California, at this moment is

Accepted Answer

A)  below 4°C.
B)  4°C.
C)  above 4°C.
D)  uncertain.

Exam 6: Thermal Energy and Thermodynamics

To say that water has a high specific heat capacity is to say that water

Correct AnswerverifiedShow Answer

Entropy is most closely related to the

Correct AnswerverifiedShow Answer

Heat is thermal energy that matter

Correct AnswerverifiedShow Answer

Place a kilogram block of iron at 40°C into a kilogram of water at 20°C and the final temperature of the two becomes

Correct AnswerverifiedShow Answer

Which will cool faster when taken from a furnace?

Correct AnswerverifiedShow Answer

Whether one object is warmer than another object has most to do with

Correct AnswerverifiedShow Answer

Which of the following contracts most when the temperature is decreased? Equal volumes of

Correct AnswerverifiedShow Answer

A metal ring with a gap in it is shaped like the letter C. When the hot metal cools, the gap becomes

Correct AnswerverifiedShow Answer

A nutritionist in the United States measures the food energy in units of

Correct AnswerverifiedShow Answer

A piece of iron and a cup of water both have the same temperature. If they are heated so the thermal energy of each doubles,

Correct AnswerverifiedShow Answer

The lowest temperature possible in nature is

Correct AnswerverifiedShow Answer

The density of water at 4°C will slightly decrease when it is

Correct AnswerverifiedShow Answer

When work is done by a system and no heat is added, the temperature of the system

Correct AnswerverifiedShow Answer

The temperature at the bottom of Lake Tahoe, high in the Sierra Mountains in California, at this moment is

Correct AnswerverifiedShow Answer

If the same quantity of heat is added to both a 2-liter and a 4-liter container of water, the temperature change for water in the 4-liter container will be

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which law of thermodynamics is a restatement of the conservation of energy as it applies to thermal systems?

Correct AnswerverifiedShow Answer

The open spaces in the crystal lattice of ice contain

Correct AnswerverifiedShow Answer

The temperature of melting ice is

Correct AnswerverifiedShow Answer

During a very cold winter, water pipes sometimes burst because

Correct AnswerverifiedShow Answer

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