A Block of Ice at 0

question 43

Multiple Choice

A block of ice at 0.000°C is added to a well-insulated 147-g aluminum calorimeter cup that holds 200 g of water at 10.0°C.The water and aluminum cup are in thermal equilibrium,and the specific heat of aluminum is 910 J/(kg • K) .If all but 2.00 g of ice melt,what was the original mass of the block of ice? The specific heat of water is 4190 J/(kg • K) ,its latent heat of fusion is 334 kJ/kg,and its latent heat of vaporization is 2260 kJ/kg.

• A) 31.1 g
• B) 35.6 g
• C) 38.8 g
• D) 42.0 g
• E) 47.6 g

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