Physics, 20.05.2021 19:20 lilybear1700
An ice-making machine inside a refrigerator operates in a Carnot cycle. It takes heat from liquid water at 0.0 degrees Celsius and rejects heat to a room at a temperature of 20.6 degrees Celsius. Suppose that liquid water with a mass of 82.1 kg at 0.0 degrees Celsius is converted to ice at the same temperature. Take the heat of fusion for water to be Lf=3.34Γ105 J/kg.
A. How much heat |QH| is rejected to the room?
B. How much energy E must be supplied to the device?
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