How Much Heat Is Released When 85

question 5

Multiple Choice

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.

• A)54.8 kJ
• B)221 kJ
• C)258 kJ
• D)281 kJ

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