An refrigerator keeps food in the freezer portion at 
and dumps excess heat into the kitchen, whose temperature is 
If the refrigerator has half the coefficient of performance of an ideal reversible refrigerator, and if its motor can supply 250W of power, what is the rate of heat flow into the kitchen?
A. 950W
B. 910W
C. 625W
D. 150W
B. 910W
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What will be an ideal response?