Multiple Choice
A piston-cylinder device contains 3.2 kg of R-134a at 400 kPa and 50°C. Now R-134a is allowed to expand at constant pressure until its temperature drops to 10°C. The work done during this expansion process is
A) 13 kJ
B) 0 kJ
C) 4.2 kJ
D) 33 kJ
E) 58 kJ
Correct Answer:

Verified
Correct Answer:
Verified
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