∆Hvap

Definition

∆Hvap refers to the heat of vaporization, which is the amount of energy required to convert one gram of a substance from its liquid phase to its gaseous phase at constant temperature and pressure.

Related terms

Boiling Point: The temperature at which a substance changes from its liquid phase to its gaseous phase at atmospheric pressure.

Condensation: The process in which a substance changes from its gaseous phase to its liquid phase, releasing heat in the process.

Evaporation: The process in which a substance changes from its liquid phase to its gaseous phase at temperatures below its boiling point, without reaching boiling point.