Suppose that you were able to design an engine without a, Chemistry

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Suppose that you were able to design an engine without a

Problem- Suppose that you were able to design an engine without a cold sink, so that the energy from a hot object could be transferred to the surroundings entirely as work, with no heat exchanged. (a) What would be the entropy change of the surroundings? (b) Could such an engine operate spontaneously? Explain.

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