The vapor pressure of water at 25 C is 23.77 torr , increasing to 42.20 torr at

Question:

The vapor pressure of water at 25 °C is 23.77 torr , increasing to 42.20 torr at 35 °C . Calculate the standard free energy and standard enthalpy changes at 25 °C for the vaporization of water.image

Strategy

First, determine the Gibbs free-energy change of the process; then use the Clausius–Clapeyron equation to determine the enthalpy change.

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Chemistry Principles And Practice

ISBN: 9780534420123

3rd Edition

Authors: Daniel L. Reger, Scott R. Goode, David W. Ball

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