Example 12.4. The Clapeyron Equation

Vaporization at constant pressure from the saturation liquid volume Vj to the saturation vapor volume V2  

Clapeyron then argued in his 1834 paper that the maximum amoimt of work produced by a unit of heat cannot, by Camot s axiom, exceed the work that it could do if it were applied to any substance. It must therefore be given by Eq. 4.8.1. Thus  

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Third, using the Carnot cycle, he developed - as shown in Example 4.1 - the Clapeyron equation for the determination of the heat of vaporization L of a pure fluid at some temperature t ... 

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