Ethanol has a molar enthalpy of vaporization of 38.6 kJ mol⁻¹ at 78 °C

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

Problem

Ethanol has a molar enthalpy of vaporization of 38.6 kJ mol⁻¹ at 78 °C. Explain why the molar enthalpy of condensation for ethanol at this temperature is −38.6 kJ mol⁻¹.

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