Frequently Asked Question

Questions asked by users might not always be phrased in the clearest way.

What is the relationship between the vapuor pressure and temperature

Accepted Answer

According to the Clausius-Clapeyron equation, the relationship between vapor pressure (P) and temperature (T) can be expressed as: ln(P) = -ΔHvap / RT + C, where ΔHvap is the enthalpy of vaporization, R is the ideal gas constant, and C is a constant. As can be observed from the equation, vapor pressure increases exponentially with temperature. This is because, at higher temperatures, molecules have more kinetic energy and are able to overcome intermolecular forces more easily to escape into the gas phase.


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