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Consider a mixture of 20 mol% acetonitrile in acetic acid at 22°C. Calculate the (a) Gibbs free energy and (b) entropy of mixing of the given system.

Consider a mixture of 20 mol% acetonitrile in acetic acid at 22°C. Calculate the (a) Gibbs free energy and (b) entropy of mixing of the given system.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Consider a mixture of 20 mol% acetonitrile in acetic acid at 22°C. Calculate the (a) Gibbs free energy and (b) entropy of mixing of the given system.
Excess Enthalpy [J/mol] 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 0 0.1 HE Excess Enthalpy/x-Chart Acetonitrile + Acetic acid 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 x(Acetonitrile) [mol/mol] T = 295.15 K T = 298.15 K T = 308.15 K
Transcribed Image Text:Excess Enthalpy [J/mol] 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 0 0.1 HE Excess Enthalpy/x-Chart Acetonitrile + Acetic acid 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 x(Acetonitrile) [mol/mol] T = 295.15 K T = 298.15 K T = 308.15 K
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