Multiple Choice
A container holding 1.2 kg of water at 20.0 °C is placed in a freezer that is kept at -20.0 °C.The water freezes and comes into thermal equilibrium with the interior of the freezer.
-What is the minimum amount of electrical energy required by the refrigerator to carry out this process if it operates between reservoirs at temperatures of 20.0 °C and -20.0 °C?
A) 63 000 J
B) 77 000 J
C) 87 000 J
D) 348 000 J
E) 549 000 J
Correct Answer:
Verified
Correct Answer:
Verified
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