Perhaps the simplest expression for the Gibbs excess function is the 1-Parameter Margules (also known as the two-suffix Margules). AGE A X1 X₂ nRT RT Derive the expressions for the activity coefficients from this expression. Solution: AGE An, n₁

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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Show the complet derivation process in the figure provided below

Perhaps the simplest expression for the Gibbs excess function is the 1-Parameter
Margules (also known as the two-suffix Margules).
AGE A
nRT RT
Derive the expressions for the activity coefficients from this expression.
Solution:
AGE
An₂ n₁
RT
RT n
Ə(AGE / RT) _ An₂ [1 n₁
=
ди,
RT n
⇒ Iny₁ =
-x1x2
A
;x²2²
RT
A n₂
-]-[1²] 01-x₁)
x(1−x)
=
RT n
n
n₁ A
RT
n
=
Transcribed Image Text:Perhaps the simplest expression for the Gibbs excess function is the 1-Parameter Margules (also known as the two-suffix Margules). AGE A nRT RT Derive the expressions for the activity coefficients from this expression. Solution: AGE An₂ n₁ RT RT n Ə(AGE / RT) _ An₂ [1 n₁ = ди, RT n ⇒ Iny₁ = -x1x2 A ;x²2² RT A n₂ -]-[1²] 01-x₁) x(1−x) = RT n n n₁ A RT n =
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