Question 1

What happens to a sample of water when it is heated between 0°C and 4°C?

Accepted Answer

A)   Its volume increases.
B)   Its volume is reduced.
C)   It vaporizes.
D)   Nothing changes except its temperature.E) C) and D)
F) A) and D)

Question 2

The energy involved in a phase change is called the

Accepted Answer

A)   specific heat.
B)   thermal energy.
C)   internal energy.
D)   latent heat.E) B) and D)
F) None of the above

Question 3

A home fireplace loses most of its heat by

Accepted Answer

A)   radiation into the room.
B)   convection up the chimney.
C)   radiation up the chimney.
D)   conduction to the sides of the fireplace.E) B) and D)
F) B) and C)

Question 4

What happens to a sample of water when its temperature is reduced between 0°C and 4°C?

Accepted Answer

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

Question 5

The Fahrenheit scale has a ______________ degree size than the Celsius scale.

Accepted Answer

smaller

Question 6

Temperature is a relative measure of

Accepted Answer

A)   latent heat.
B)   hotness and coldness.
C)   internal energy.
D)   specific heat.E) A) and B)
F) A) and C)

Question 7

Below 4°C, water ______________ with decreasing temperature.

Accepted Answer

The answer of Below 4°C, water ______________ with decreasing temperature....

Question 8

The SI unit of heat is the ______________.

Accepted Answer

The answer of The SI unit of heat is the...

Question 9

The amount of heat necessary to change the temperature of 1 kg of a substance 1°C is

Accepted Answer

A)   1 cal.
B)   the specific heat.
C)   the heat difference.
D)   1 J.E) None of the above
F) A) and C)

Question 10

On a winter day the temperature drops from -15°C to -25°C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?

Accepted Answer

A)   0.1 kcal
B)   1 kcal
C)   4 kcal
D)   0.4 kcalE) B) and D)
F) C) and D)

Question 11

A common property used to measure temperature is the ______________ of materials.

Accepted Answer

The answer of A common property used to measure temperature...

Question 12

The SI unit of heat is the

Accepted Answer

A)   calorie.
B)   joule.
C)   kilocalorie.
D)   Btu.E) A) and B)
F) All of the above B

Question 13

A ______________ has a definite volume and assumes the shape of its container.

Accepted Answer

The answer of A ______________ has a definite volume and...

Question 14

A quantity that gives the direction of a thermodynamic process is

Accepted Answer

A)   entropy.
B)   efficiency.
C)   specific heat.
D)   energy.E) A) and D)
F) None of the above A

Question 15

How much heat is necessary to change 10 g of ice at -20°C into water at 10°C?

Accepted Answer

A)   0.02 kcal
B)   0.2 kcal
C)   1 kcal
D)   0.08 kcalE) A) and D)
F) None of the above

Question 16

The amount of heat necessary to change a liquid to a solid at constant temperature is the ______________.

Accepted Answer

The answer of The amount of heat necessary to change...

Question 17

A digital thermometer can make readings to the tenth of a degree at either the Celsius setting or the Fahrenheit setting. Which reading would be more precise?

Accepted Answer

A)   The Fahrenheit setting, since 1 degree Fahrenheit is smaller than 1 degree Celsius
B)   The Fahrenheit setting, since 1 degree Celsius is smaller than 1 degree Fahrenheit
C)   The Celsius setting, since 1 degree Fahrenheit is smaller than 1 degree Celsius
D)   The Celsius setting, since 1 degree Celsius is smaller than 1 degree FahrenheitE) A) and C)
F) A) and B)

Question 18

To what temperature does 0°F correspond on the Celsius scale?

Accepted Answer

The answer of To what temperature does 0°F correspond on...

Question 19

How much heat is necessary to change 20 g of ice at -10°C into water at 20°C?

Accepted Answer

The answer of How much heat is necessary to change...

Question 20

For a temperature of -40°F, what are the corresponding temperatures on the
a. Celsius scale?
b. Kelvin scale?

Accepted Answer

a. -40°C
b...

Exam 5: Temperature and Heat

What happens to a sample of water when it is heated between 0°C and 4°C?

Correct AnswerverifiedShow Answer

The energy involved in a phase change is called the

Correct AnswerverifiedShow Answer

A home fireplace loses most of its heat by

Correct AnswerverifiedShow Answer

What happens to a sample of water when its temperature is reduced between 0°C and 4°C?

Correct AnswerverifiedShow Answer

The Fahrenheit scale has a ______________ degree size than the Celsius scale.

Correct Answerverifiedsmaller

Temperature is a relative measure of

Correct AnswerverifiedShow Answer

Below 4°C, water ______________ with decreasing temperature.

Correct AnswerverifiedShow Answer

The SI unit of heat is the ______________.

Correct AnswerverifiedShow Answer

The amount of heat necessary to change the temperature of 1 kg of a substance 1°C is

Correct AnswerverifiedShow Answer

On a winter day the temperature drops from -15°C to -25°C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?

Correct AnswerverifiedShow Answer

A common property used to measure temperature is the ______________ of materials.

Correct AnswerverifiedShow Answer

The SI unit of heat is the

Correct AnswerverifiedB

A ______________ has a definite volume and assumes the shape of its container.

Correct AnswerverifiedShow Answer

A quantity that gives the direction of a thermodynamic process is

Correct AnswerverifiedA

How much heat is necessary to change 10 g of ice at -20°C into water at 10°C?

Correct AnswerverifiedShow Answer

The amount of heat necessary to change a liquid to a solid at constant temperature is the ______________.

Correct AnswerverifiedShow Answer

A digital thermometer can make readings to the tenth of a degree at either the Celsius setting or the Fahrenheit setting. Which reading would be more precise?

Correct AnswerverifiedShow Answer

To what temperature does 0°F correspond on the Celsius scale?

Correct AnswerverifiedShow Answer

How much heat is necessary to change 20 g of ice at -10°C into water at 20°C?

Correct AnswerverifiedShow Answer

For a temperature of -40°F, what are the corresponding temperatures on the a. Celsius scale? b. Kelvin scale?

Correct Answerverifieda. -40°Cb...View AnswerShow Answer

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smaller

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B

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A

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a. -40°C
b...
View Answer