Air enters a compressor with a pressure of 14.5 psia, a temperature of 80°F, and a volumetric flow rate of 20 ft3/s, and exits the compressor at 50 psia. Heat transfer from the compressor to its surrounding is 20 Btu/lbm of the air. If the compressor power input is 105 hp, what is the exit temperature of air?

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