Liquid water forms when 2.00 mol of water vapor at 100 °C condenses to liquid at the…

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

Liquid water forms when 2.00 mol of water vapor at 100 °C condenses to liquid at the same temperature. Given that the molar enthalpy of vaporization of water is 40.7 kJ mol⁻¹, determine the heat change for this process, including the correct sign.

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