The inside of a Carnot refrigerator is maintained at atemperature of 4°C and the

Question

The inside of a Carnot refrigerator is maintained at atemperature of 4°C and the temperature in the kitchen is26°C . Using 2500 J of work: a) how much heat is removed from the refrigerator? b)what is the coefficient of performance of therefrigerator? The inside of a Carnot refrigerator is maintained at atemperature of 4°C and the temperature in the kitchen is26°C . Using 2500 J of work: a) how much heat is removed from the refrigerator? b)what is the coefficient of performance of therefrigerator?

Explanation / Answer

a) Q = W T2 / (T1 -T2)           = 2500 *26 / (26-4)           = 2955 J b) K = Q / W = 2955 / 2500 = 1.181

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