Question 1

At absolute zero, a substance has

Accepted Answer

A)  absolutely no molecular motion.
B)  no more energy to give up.
C)  no volume.
D)  all of the above

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

A)  water
B)  iron
C)  glass
D)  wood

Question 4

If the same quantity of heat is added to both a 1-liter and a 2-liter container of water, the temperature change of water in the 1-liter container will be

Accepted Answer

A)  half.
B)  more than half but less than twice.
C)  twice.
D)  none.

Question 5

The motion of particles that contribute to temperature are

Accepted Answer

A)  translational.
B)  rotational.
C)  circular.
D)  orbital.

Question 6

Heat is simply another word for

Accepted Answer

A)  temperature.
B)  thermal energy.
C)  thermal energy that flows from hot to cold.
D)  radiant energy.

Question 7

The motion of molecules that most affects temperature is

Accepted Answer

A)  translational motion.
B)  rotational motion.
C)  oscillatory motion.
D)  simple harmonic motion.

Question 8

If the temperature of a sample of 0°C water slightly increases, the sample of water

Accepted Answer

A)  expands.
B)  contracts.
C)  neither

Question 9

If water had a lower specific heat capacity, would ponds and lakes be more or less likely to freeze in winter?

Accepted Answer

Bodies of water would more lik...

Question 10

A volume of helium gas has a temperature of 0°C. The same gas twice as hot has a temperature of

Accepted Answer

A)  0°C.
B)  2°C.
C)  100°C.
D)  273°C.
E)  none of the above

Question 11

The direction of natural processes is from states of

Accepted Answer

A)  higher order to lower order.
B)  lower order to higher order.
C)  disorganization to organization.
D)  imbalance to equilibrium.

Question 12

If the temperature of a sample of 4°C water slightly decreases, the sample of water

Accepted Answer

A)  contracts.
B)  expands.
C)  neither

Question 13

What would be the temperature of 40.0 g of 22°C water mixed with 60.0 g of 80°C water?

Accepted Answer

A)  28.4°C
B)  30.2°C
C)  50.6°C
D)  56.8°C

Question 14

If a room is cold it is due to a

Accepted Answer

A)  presence of cold air.
B)  lack of adequate thermal energy.
C)  low air pressure.

Question 15

On which temperature scale is 0 degrees the freezing point of water?

Accepted Answer

A)  Celsius
B)  Caloric
C)  Kelvin
D)  Fahrenheit
E)  none of the above

Question 16

Ice has a lower density than water because ice

Accepted Answer

A)  sinks.
B)  molecules are more compact in the solid state.
C)  molecules vibrate at lower rates than water molecules.
D)  is composed of open-structured crystals.
E)  density decreases with decreasing temperature.

Question 17

Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have

Accepted Answer

A)  low specific heat capacities.
B)  high specific heat capacities.
C)  none of the above

Question 18

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a

Accepted Answer

A)  low specific heat capacity.
B)  high specific heat capacity.
C)  none of the above

Question 19

More disorder means

Accepted Answer

A)  more entropy.
B)  no real change in entropy.
C)  less entropy.

Question 20

What would be the temperature of a mixture of 50 g of 20°C water and 50 g of 40°C water?

Accepted Answer

A)  25°C
B)  28°C
C)  30°C
D)  32°C
E)  34°C

Exam 6: Thermal Energy and Thermodynamics

Heat is simply another word for

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More disorder means

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Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have

Correct AnswerverifiedShow Answer

A volume of helium gas has a temperature of 0°C. The same gas twice as hot has a temperature of

Correct AnswerverifiedShow Answer

The direction of natural processes is from states of

Correct AnswerverifiedShow Answer

What would be the temperature of 40.0 g of 22°C water mixed with 60.0 g of 80°C water?

Correct AnswerverifiedShow Answer

Ice has a lower density than water because ice

Correct AnswerverifiedShow Answer

If a room is cold it is due to a

Correct AnswerverifiedShow Answer

On which temperature scale is 0 degrees the freezing point of water?

Correct AnswerverifiedShow Answer

If the same quantity of heat is added to both a 1-liter and a 2-liter container of water, the temperature change of water in the 1-liter container will be

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If water had a lower specific heat capacity, would ponds and lakes be more or less likely to freeze in winter?

Correct AnswerverifiedBodies of water would more lik...View AnswerShow Answer

The motion of molecules that most affects temperature is

Correct AnswerverifiedShow Answer

If the temperature of a sample of 0°C water slightly increases, the sample of water

Correct AnswerverifiedShow Answer

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a

Correct AnswerverifiedShow Answer

If the temperature of a sample of 4°C water slightly decreases, the sample of water

Correct AnswerverifiedShow Answer

At absolute zero, a substance has

Correct AnswerverifiedShow Answer

What would be the temperature of a mixture of 50 g of 20°C water and 50 g of 40°C water?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The motion of particles that contribute to temperature are

Correct AnswerverifiedShow Answer

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Bodies of water would more lik...
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