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what is Clausius–Clapeyron equation

what is Clausius–Clapeyron equation

Grade:12

3 Answers

noogler
489 Points
8 years ago
P=Ae-∂H/RT.........................p=vapour pressure, A= const,∂H=change in enthalpy,T=in kelvin
noogler
489 Points
8 years ago
or lnP=-∂H/RT+constant
Gman Namg
415 Points
8 years ago
d ln p/  dT =    ΔvapH /RT2
 
Like the Clapeyron equation, the Clausius–Clapeyron
equation is important for understanding the appearance of phase diagrams, particularly
the location and shape of the liquid–vapour and solid–vapour phase boundaries.
It lets us predict how the vapour pressure varies with temperature and how the boiling
temperature varies with pressure. For instance, if we also assume that the enthalpy of
vaporization is independent of temperature

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