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an ideal gas with temperature independent Cp = (7/2)R at 15 degrees C and having initial volume 60 m^3 is heated at constant pressure (P =0.1013 MPa) to 30 degrees by transfer of heat from a resivoir at 50 degrees C. calculate the change in entropy of the gas, the heat resevoir and the universe. what is the irreversible feature of this process?

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