Second Order Phase Transition Calculator

Ehrenfest equation is named after the theoretical physicist Paul Ehrenfest. The equation describes the change in the specific heat capacity. Use our online second order phase transition calculator to find the Ehrenfest equation for second order phase transition based on the values of isobaric expansivity and isothermal compressibility. Enter the inputs and hit enter to get the result.

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Ehrenfest equation is the consequence of continuity of specific entropy and specific volume, and these are the derivatives of specific Gibbs free energy in second order phase transition.