# Heat of vaporization and vapor pressure relationship

### Estimating enthalpy of vaporization from vapor pressure using Trouton's rule.

In mathematical terms, the relationship between the vapor pressure of a P is the natural logarithm of the vapor pressure, ΔHvap is the heat of vaporization, R is. Estimating enthalpy of vaporization from vapor pressure using based on Trouton's rule substantiates the empirical relationship between delta. Estimate the heat of phase transition from the vapor pressures measured at two temperatures. The vaporization curves of most liquids have similar shapes. two temperatures \(T_1\) and \(T_2\), then a simple relationship can.

• Clausius-Clapeyron Equation
• 11.5: Vaporization and Vapor Pressure

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