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(b) A piston-cylinder assembly contains one mole of CO2 at 1 atm. and 300K. The cylinder is placed on a hot plate allowing the gas

(b) A piston-cylinder assembly contains one mole of CO2 at 1 atm. and 300K. The cylinder is placed on a hot plate allowing the gas to expand at a constant pressure till the temperature reaches 400K. Calculate the change in entropy of CO2, if Cr=45.369+8.688101T9.619103T2J/mol/K where T is in K

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