Clapeyron equation
noun
Cla·pey·ron equation
ˈklapāˌrōn-,
-rän-
variants
or Clapeyron's equation
: an equation relating to change of phase in a pure substance (as vaporization of a liquid) that gives the rate of change with temperature of the pressure at equilibrium between the phases in terms of the heat of transition and the volumes of the phases before and after the transition compare clausius-clapeyron equation
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