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Since the machine is a operating in a Carnot cycle, then, its efficiency is e = /TH| By virtue of first law, the work done to convert water to ice is given by w = Q = Thus, the total energy needed to convert 85 kg of water is ET = 687.5J

Since the machine is a operating in a Carnot cycle, then, its efficiency is e = /TH| By virtue of first law, the work done to convert water to ice is given by w = Q = Thus, the total energy needed to convert 85 kg of water is ET = 687.5J

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Since the machine is a operating in a Carnot cycle, then, its efficiency is e = /TH| By virtue of first law, the work done to convert water to ice is given by w = Q = Thus, the total energy needed to convert 85 kg of water is ET = 687.5J
Transcribed Image Text:Since the machine is a operating in a Carnot cycle, then, its efficiency is e = /TH| By virtue of first law, the work done to convert water to ice is given by w = Q = Thus, the total energy needed to convert 85 kg of water is ET = 687.5J
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