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An expander operates adiabatically with nitrogen entering at T1 and P1 with a molar flow rate n. The exhaust pressure is P2, and the expander

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An expander operates adiabatically with nitrogen entering at T1 and P1 with a molar flow rate n. The exhaust pressure is P2, and the expander efficiency is . Estimate the power output of the expander and the temperature of the exhaust stream for one of the following sets of operating conditions. T1=500C,P1=7bar,n=175mols1,P2=1bar,=0.78

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