One Kilogram of Chilled Water at 32°F (0°C) Is Placed

Multiple Choice

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) ? (L_ice = 3.33 × 10⁵ J/kg; c_ice = 2.09 × 10³ J/kg⋅°C)

A) 13
B) 1.5
C) 15
D) 16
E) 33