A cylinder-piston contains ammonia at 50 C, 20% quality, volume being 1 L. The ammonia expands slowly, and heat is transferred to maintain a constant temperature. The process continues until all liquid is gone. Determine the work for this process.

A cylinder-piston contains ammonia at 50 C, 20% quality, volume being

1.	A cylinder-piston contains ammonia at 50 C, 20% quality, volume being 1 L. The ammonia expands slowly, and heat is transferred to maintain a constant temperature. The process continues until all liquid is gone. Determine the work for this process.
A.	7.11 kJ
B.	9.11 kJ
C.	5.11 kJ
D.	8.11 kJ
Answer» B. 9.11 kJ

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A cylinder-piston contains ammonia at 50 C, 20% quality, volume being 1 L. The ammonia expands slowly, and heat is transferred to maintain a constant temperature. The process continues until all liquid is gone. Determine the work for this process.

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