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PART C A Carnot engine is composed of a working fluid that interacts with two heat reservoirs, one at high temperature, TH, and the other at low temperature, TC. The Carnot fluid undergoes a cycle consisting of an isothermal compression at low temperature, TC(AB); an adiabatic compression (BC); an isothermal expansion at high temperature, TH(CD); and adiabatic expansion (DA). (vi) What is the entropy change in the Carnot working fluid for one complete cycle? (vii) What is the relationship between the input heat, Qin, the output heat, Qout and the two bath temperatures TH and TC ? (viii) What are the entropy changes of the high and low temperature baths