Standard Article

Heat of Vaporization


  1. Naraine Persaud

Published Online: 15 JUL 2005

DOI: 10.1002/047147844X.me181

Water Encyclopedia

Water Encyclopedia

How to Cite

Persaud, N. 2005. Heat of Vaporization. Water Encyclopedia. 4:263–265.

Author Information

  1. Virginia Polytechnic Institute and State University, Blacksburg, Virginia

Publication History

  1. Published Online: 15 JUL 2005


The thermodynamic basis for the Clausius–Claypeyron equation for liquid to vapor transition is developed and discussed with specific reference to the heat of vaporization (Lv) for water. Examples using the Clausius–Clapeyron, Antoine, and Richards equations for calculating Lv are presented.


  • Clapeyron Emile;
  • Clausius–Clapeyron equation;
  • specific enthalpy water;
  • antoine equation water