Abington Heights High School
Chapter 11 - Practice Quiz 3
Select the answer that best completes the question.
1.

A 0.0500-kg lead bullet of volume 5.00 x 10-6 m3 at 20.0 °C hits a block that is made of an ideal thermal insulator and comes to rest at its center. At that time, the temperature of the bullet is 327 °C. Use the following information for lead:

coefficient of linear expansion:

a

=

2.0 x 10-5/C°

specific heat capacity:

c

=

128 J/(kg • C°)

latent heat of fusion:

Lf

=

23 200 J/kg

melting point:

Tmelt

=

327 °C

R-1 Ref 12-2

How much heat was needed to raise the bullet to its final temperature?
A.963 J
B.1930 J
C.3640 J
D.3880 J
E.4440 J

2.

A 0.0500-kg lead bullet of volume 5.00 x 10-6 m3 at 20.0 °C hits a block that is made of an ideal thermal insulator and comes to rest at its center. At that time, the temperature of the bullet is 327 °C. Use the following information for lead:

coefficient of linear expansion:

a

=

2.0 x 10-5/C°

specific heat capacity:

c

=

128 J/(kg • C°)

latent heat of fusion:

Lf

=

23 200 J/kg

melting point:

Tmelt

=

327 °C

R-1 Ref 12-2

What is the volume of the bullet after it comes to rest?
A.5.00 x 10-6 m3
B.5.01 x 10-6 m3
C.5.04 x 10-6 m3
D.5.07 x 10-6 m3
E.5.09 x 10-6 m3

3.

A 0.0500-kg lead bullet of volume 5.00 x 10-6 m3 at 20.0 °C hits a block that is made of an ideal thermal insulator and comes to rest at its center. At that time, the temperature of the bullet is 327 °C. Use the following information for lead:

coefficient of linear expansion:

a

=

2.0 x 10-5/C°

specific heat capacity:

c

=

128 J/(kg • C°)

latent heat of fusion:

Lf

=

23 200 J/kg

melting point:

Tmelt

=

327 °C

R-1 Ref 12-2

What additional heat would be needed to melt the bullet?
A.420 J
B.628 J
C.837 J
D.1170 J
E.2010 J

4. A liquid is in equilibrium with its vapor in a closed vessel. Which one of the following statements is necessarily true?
A.The rate of condensation is greater than the evaporation rate.
B.The rate of evaporation is greater than the condensation rate.
C.The temperature of the vapor is greater than that of the liquid.
D.Molecules of the liquid do not have enough energy to vaporize.
E.The temperature of the vapor is the same as that of the liquid.
5. The graph shows the equilibrium vapor pressure versus temperature for a certain liquid and its vapor within an open container. If the container is at sea level, at approximately what temperature will the liquid boil?

A.50 °C
B.65 °C
C.75 °C
D.85 °C
E.100 °C
6. Given the following information, determine the relative humidity at 15 °C.
partial pressure of water at 15 °C = 1230 Pa
partial pressure of water at the dew point, 15 °C = 1710 Pa
A.39.0 %
B.47.9 %
C.50.8 %
D.64.1%
E.71.9 %
7. On a warm summer day, the relative humidity is 30 % when the temperature is 32 °C. Which one of the following statements is true if the temperature suddenly drops to 26 °C and all other conditions remain the same?
A.The relative humidity will decrease.
B.The relative humidity will increase.
C.The dew point will change.
D.The partial pressure of water vapor will decrease.
E.The vaporization curve of water will change.
8. An ordinary mercury thermometer at room temperature is quickly placed in a beaker of hot water. The mercury column is observed to drop slightly before it rises to the final equilibrium temperature. Which one of the following statements is the best explanation for this behavior?
A.The glass envelope expands before the heat reaches the mercury.
B.The expansion coefficient of glass is larger than that of mercury.
C.Both the mercury and the glass initially expand, but at different rates.
D.Initially, the mercury contracts.
E.Initially, the glass envelop contracts.
9. After working a 0.55-kg iron horseshoe with a temperature of 460 °C on an anvil, a ferrier drops it into a bucket that contains 11 kg of water with an initial temperature of 24 °C. Assuming no heat is transferred to the environment, determine the final temperature of the horseshoe in the bucket of water when thermal equilibrium is achieved. The specific heat capacity of iron is 452 J/kg•C°. For water, the specific heat capacity is 4186 J/kg•C°.
A.26 °C
B.34 °C
C.41 °C
D.49 °C
E.52 °C
10.
Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
R-2 Ref 12-3

Which one of the following statements concerning this substance is true?
A.It boils at 300 °C.
B.It melts at -200 °C.
C.It is a liquid at 200 °C.
D.It can coexist as a solid and a liquid at -50 °C.
E.It can exist as a solid, liquid, and gas at 150 °C.

11.
Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
R-2 Ref 12-3

What is the latent heat of fusion of this material?
A.50 cal/g
B.100 cal/g
C.150 cal/g
D.300 cal/g
E.450 cal/g

12.
Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
R-2 Ref 12-3

What is the latent heat of vaporization of this material?
A.50 cal/g
B.100 cal/g
C.150 cal/g
D.300 cal/g
E.450 cal/g

13.
Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
R-2 Ref 12-3

What is the specific heat capacity of this substance in its solid state?
A.0.33 cal/(g • C°)
B.0.75 cal/(g • C°)
C.1.00 cal/(g • C°)
D.1.33 cal/(g • C°)
E.3.00 cal/(g • C°)

14.
Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
R-2 Ref 12-3

What is the specific heat capacity of this substance in its liquid state?
A.0.33 cal/(g • C°)
B.0.75 cal/(g • C°)
C.1.00 cal/(g • C°)
D.1.33 cal/(g • C°)
E.3.00 cal/(g • C°)


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