Question: 3 . 2 5 As shown in Fig. P 3 . 2 5 , Refrigerant 1 3 4 a is contained in a piston -

3.25 As shown in Fig. P3.25, Refrigerant 134a is contained in a piston-cylinder assembly, initially as saturated vapor. The refrigerant is slowly heated until its temperature is 160C. During the process, the piston moves smoothly in the cylinder. For the refrigerant, evaluate the work, in kJkg.
3 . 2 5 As shown in Fig. P 3 . 2 5 , Refrigerant

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