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Computing Excess Thermodynamic Properties Using the Wilson Model

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Consider a binary mixture of acetone and water. The Wilson model is used to predict several dimensionless excess thermodynamic properties, such as the Gibbs free energy, , enthalpy, , entropy, , and heat capacity, .

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This Demonstration plots these four thermodynamic properties for selected values of temperature. A comparison with a calculation done by Dr. Marcelo Castier at is also shown, in good agreement for all the computed excess functions.

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Contributed by: Housam Binousand Ahmed Bellagi (December 2010)
Open content licensed under CC BY-NC-SA

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