The change in enthalpy is given by dH = C p dT + Vdp. The Clapeyron equation

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The change in enthalpy is given by dH = CpdT + Vdp. The Clapeyron equation relates dp and dT at equilibrium, and so in combination the two equations can be used to find how the enthalpy changes along a phase boundary as the temperature changes and the two phases remain in equilibrium. Show that d(∆H/T) = ∆Cp d ln T.

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Physical Chemistry

ISBN: 9780716787594

8th Edition

Authors: Peter Atkins, Julio De Paula

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