A refrigerator with a coefficient of performance of 3.6 is used to cool 3 liters of mineral water from room temperature (20 C) to 3 C.If the refrigerator runs at 525 W,how long will it take the water to reach 3 C? Recall that the heat capacity of water is 4.19 kJ/(kg K) and the density is 1 g/cm3.Assume the other contents of the refrigerator are already at 3C.
A) 43 s
B) 113 s
C) 407 s
D) 68 s
E) 26 s
Correct Answer:
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