Answered: The derivation of Gibbs energy of…

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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The derivation of Gibbs energy of mixing involves the mole fractions of two components A and B in an ideal solution, x_Aand x_B, respectively and the total amount, n. Following the method used in Derivation 6.3. The initial Gibbs energy of the unmixed components is G_i = n_Aµ_A^* + n_Bµ_B*; after mixing, the chemical potentials in eqn 6.11: μ_A = μ_A^ϴ + RTlnx_{A are used.}

Use this equation to calculate the Gibbs energy of mixing of 0.5 mole A and 0.9 mole B at 300 K.

ΔG = ____________ kJ.

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