1.

Air in a piston/cylinder arrangement is at 25 C, 110 kPa with a volume of 50 L. It goes through a reversible polytropic process to final state of 500 K, 700 kPa and exchanges heat with the ambient at 25 C. Find the total work from the ambient.

A. -9.28 kJ
B. -9.38 kJ
C. -9.48 kJ
D. -9.58 kJ
Answer» E.


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