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A thermodynamic engine operates cyclically and reversibly between two temperature reservoirs, absorbing heat from the high-temperature bath at 450 K and discharging heat to the low-temperature bath at 300 K.

a. What is the thermodynamic ef?ciency of the engine?

b. How much heat is discharged to the low-temperature bath if 1500 J of heat is absorbed from the high-temperature bath during each cycle?

c. How much work does the engine perform in one cycle of operation?

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