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Article | REF: K550 V1

Thermal capacities of organic compounds

Authors: Louis SCHUFFENECKER, Jean-Noël JAUBERT

Publication date: October 10, 1994, Review date: December 5, 2016

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2. Thermal capacities of pure perfect gases

Statistical thermodynamics allows us to define the perfect gas model, characterized by two fundamental properties: pVm∗=RT   (équation d’état) 

U * = U * (T )

Internal energy depends only on temperature.

We then show that : α∗=1T, κ∗=1p, Cp∗−CV∗=R

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