Question: -The heat engine shown in Fig. 3 uses 0.02 mol of a diatomic gas as the P(x10 Pa) working substance. (6 pts) (a) Show

-The heat engine shown in Fig. 3 uses 0.02 mol of a

-The heat engine shown in Fig. 3 uses 0.02 mol of a diatomic gas as the P(x10 Pa) working substance. (6 pts) (a) Show that AUABC = 0 by calculating AUAB AUsc and AUCA (3 pts) (b) In which process is the heat Qu absorbed by the gas ? Explain. (3 pts) (c) In which process is the heat Qe rejected by the gas ? Explain. (5 pts) (d) What is the engine's thermal efficiency. 400 100 1000 Adiabet -V(cm)

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