air enters a heat exchanger at a rate of 5000 cubic feet per minute at
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Air enters a heat exchanger at a rate of 5000 cubic feet per minute at a temperature of 50 F and pressure of 14.7 psia. The air is heated by
hot water flowing in the same exchanger at a rate of11,200 pounds per hour with a decrease in temperature of 10 F. At what temperature does the air leave the heat exchanger?