A 44-G Block of Ice at -15°C Is Dropped into a Calorimeter

question 74

Multiple Choice

A 44-g block of ice at -15°C is dropped into a calorimeter (of negligible heat capacity) containing 100 g of water at 5°C. When equilibrium is reached, how much of the ice will have melted? The specific heat of ice is 2090 J/(kg K) and the latent heat of fusion of water is
33) 5 × 10⁴ J/kg.

• A) 2.1 g
• B) 21 g
• C) 5.2 g
• D) 52 g
• E) 4.4 g

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