A freezer with a coefficient of performance 30% that of a
Chapter 21, Problem 21.71(choose chapter or problem)
A freezer with a coefficient of performance 30% that of a Carnot refrigerator keeps the inside temperature at -22C in a 25C room. 3.0 L of water at 20C are placed in the freezer. How long does it take for the water to freeze if the freezers compressor does work at the rate of 200 W while the water is freezing?
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