How Much Heat Would Be Released by the Condensation of 5.40

question 103

Multiple Choice

How much heat would be released by the condensation of 5.40 g of steam at 100 °C and the subsequent cooling of the water to 25 °C?
[Δ_vapH = 40.7 kJ/mol at 100 °C;C_p for H₂O(l) is 4.18 J g^-1 °C^-1]

• A)12.2 kJ
• B)12.8 kJ
• C)13.9 kJ
• D)18.3 kJ
• E)23.7 kJ

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