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Question
How much heat is released when 85.0 g of steam at 100.0 °C is cooled to ice at -15.0 °C? The enthalpy of vaporization of water is 40.67 kJ mol-1, the enthalpy of fusion for water is 6.01 kJ mol-1, the molar heat capacity of liquid water is 75.4 J mol-1°C-1, and the molar heat capacity of ice is 36.4 J mol-1°C-1.
▸ 54.8 kJ ▸ 221 kJ ▸ 258 kJ ▸ 281 kJ
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