One kilogram of chilled water at 32 F (0 C) is placed in a freezer which is kept at 0 F (-18 C) .Approximately how much electric energy (in kilocalories) is needed to operate the compressor to cool this water to 0 F if the room temperature is maintained at 75 F (24 C) ? (Lice = 3.33 *105 J/kg;cice = 2.09 * 103 J/kg. C)
A) 13
B) 1.5
C) 15
D) 16
E) 33
Correct Answer:
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