A gas undergoes three processes in series that complete a

A gas undergoes three processes in series that complete a cycle:

Process 1->2: compression from P1 = 10 lbf/in^2, V1 = 4.0 ft^3 to P2 = 50 lbf/in^2 during which the pressure volume relationship is

pv = constant.

Process 2->3: constant volume to P3 = P1.

Process 3->1: constant pressure.

(a) Sketch the cycle on a P-V diagram

(b) Calculate the boundary work and the net heat transfer during Process 1->2, in Btu

(d) Calculate the boundary work and the net heat transfer during Process 3->1, in Btu

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