The Enthalpy Change for Converting 1

question 38

Multiple Choice

The enthalpy change for converting 1.00 mol of ice at -50.0 °C to water at 70.0 °C is ________ kJ. The specific heats of ice, water, and steam are 2.09 J g^-1 °C^-1, 4.18 J g^-1 °C^-1, and 1.84 J g^-1 °C^-1, respectively. For H₂O, Δ_fusH = 6.01 kJ mol^-1, and Δ_vapH = 40.67 kJ mol^-1.

• A)12.28
• B)6.41
• C)13.16
• D)7154
• E)9.40

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