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23 Nov 2019
A freezer has coefficient of performance 2.4. The freezer is to convert 1.8 kg of water at 25 C to 1.8 kg of ice at -5 C in 1 hour (cwater=4190 j/kg
A freezer has coefficient of performance 2.4. The freezer is to convert 1.8 kg of water at 25 C to 1.8 kg of ice at -5 C in 1 hour (cwater=4190 j/kg