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An insulated piston-cylinder device initially contains 9647

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An insulated piston-cylinder device initially contains 9.647 lb of air at 20 psia and 60ºF. Then 1000 Btu per lb of air of heat is added to the system while the pressure remains constant. Determine the change in entropy of the air using a variable heat capacity in units of Btu/R. Please show your work.

Reference no: EM13634492

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