Thermal Energy
Practice Test
1.
Looking at the situation in Figure 12-8, and using the same color scheme as in the figure, how would the block in part b be shaded after a really long time? Assume the two blocks have the same mass.
a.
The whole block would be red.
b.
The left half would be yellow and the right half would be blue.
c.
The whole block would be green.
d.
The left half would be blue and the right half would be yellow.
Hint
2.
A perpetual motion machine violates which law?
a.
third law of conservation
b.
first law of thermodynamics
c.
third law of thermodynamics
d.
first law of gravity
Hint
3.
Using information from Table 12-2, determine which of the following processes will require the most energy be added.
a.
1 kg of liquid mercury is frozen.
b.
1 kg of iron is changed from liquid to gas.
c.
1 kg of copper is converted from solid to liquid.
d.
2 kg of water is evaporated.
Hint
4.
Absolute zero is __________.
a.
273 K
b.
-273°F
c.
-273 K
d.
-273°C
Hint
