09.02 - The Clausius-Clapeyron Equation

Estimating the Heat of Vaporization from Antoine's Equation (3min, learncheme.com) The Clausius-Clapeyron equation shows that the heat of vaporization is slope of the vapor pressure curve. So you just need to differentiate the Antoine equation to estimate the heat of vaporization. This sample calculation shows how to compute the heat of vaporization of benzene given Antoine coefficients.

Comprehension Questions:

1. Estimate the vapor pressure (torr) of benzene at 55C using the equation given in the screencast.
2. Estimate (or report) the heat of vaporization (J/mol) of benzene according to the screencast.
3. Estimate the vapor pressure (torr) of benzene at 55C using the SCVP equation (2.47).
4. Estimate the heat of vaporization (J/mol) of benzene using the SCVP equation.
5. Estimate the heat of vaporization (J/mol) of benzene using Eq. 2.45.