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20. One kilogram of air is heated reversibly at constant pressure from an initial state of 300K and 1 bar until its volume triples. Calculate

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20. One kilogram of air is heated reversibly at constant pressure from an initial state of 300K and 1 bar until its volume triples. Calculate W,Q,U, and H for the process. Assume that air obeys the relation PV/T=83.14barcm3mol1K1 and that CP=29Jmol1K1

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