An ice cube of mass 100 g and at 0°C is dropped into a Styrofoam cup containing 200 g of water at 25°C. (The latent heat of fusion of water is 80 cal/g and the specific heat capacity of water is 1.0 cal/g C°.) Assuming the cup does not exchange any heat with the outside, what will happen?
A. All of the ice will melt
B. Nothing will happen
C. All of the water will freeze
D. Some of the ice will melt
E. Some of the water will freeze
Answer: D
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