A rigid vessel of 0.06 m3 volume contains an idealgas, Cv = (5/2)R, at 500K and 1 bar.a.) If heat in the amount of 15000J is transferred to the gas,determine its entropy change.b.) If the vessel is fitted with a stirrer that is rotated by ashaft so that work in the amount of 15000 J is done on the gas,what is the entropy change of the gas if the process is adiabatic?What is ÎStotal? What is the irreversible feature of theprocess?

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A rigid vessel of 0.06 m3 volume contains an idealgas, Cv = (5/2)R, at 500K and 1 bar.a.) If heat in the amount of 15000J is transferred to the gas,determine its entropy change.b.) If the vessel is fitted with a stirrer that is rotated by ashaft so that work in the amount of 15000 J is done on the gas,what is the entropy change of the gas if the process is adiabatic?What is ÎStotal? What is the irreversible feature of theprocess?

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