Exam Phys 2C, Quiz 4
Name___________________________________
MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or answers the question.
Figure 19.2
1) In Figure 19.2, an ideal gas is carried around the cyclic process. How much work is done in one cycle if
P
o
= 8 atm. and V
o
= 7.00 liters?
A) 11,300 J
B) 5660 J
C) 22,600 J
D) 2260 J
E) 10,600 J
Situation 19.2
An adiabatic process is performed on 15 moles of an ideal gas. The initial temperature is 320 K and the initial volume is
0.80 m
3
. The final volume is 0.40 m
3
. The adiabatic constant for the gas is 1.44.
2) In Situation 19.2, the final temperature of the gas, in SI units, is closest to:
A) 450
B) 480
C) 435
D) 495
E) 465
Situation 19.1
Twenty moles of a monatomic ideal gas (
g
= 5/3) undergo an adiabatic process. The initial pressure is 400 kPa and the
initial temperature is 450 K. The final temperature of the gas is 320 K.
3) In Situation 19.1, the change in the internal energy of the gas, in kJ, is closest to:
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 Spring '11
 groisman
 Thermodynamics, Heat, Heat engine, 39 kJ

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