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: McGraw-Hill Education
Question
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Chapter 15, Problem 15.36P

(a)

Interpretation Introduction

Interpretation:

To prove GERT=FR(x)RT .

Concept Introduction:

From equation of Gibbs Energy and related properties SE=( G ET)P,x .

For regular solution SE=0everywhere.

(b)

Interpretation Introduction

Interpretation:

To prove GERT=FA(x) .

Concept Introduction:

From equation of Excess Property Relations HERT=T(( GE/RT)T)P,x .

For a thermal solution HE=0 everywhere.

(c)

Interpretation Introduction

Interpretation:

To interpret the implications to the equations GERT=αRTx1x2 and GERT=βx1x2 with respect to the shapes of predicted solubility diagrams of LLE.

Concept Introduction:

The simplest equation to calculate GERT is GERT=A(T)x1x2and can be written in two different forms.

The regular solution is GERT=αRTx1x2   --- (A)

The a thermal solution is GERT=βx1x2 .  --- (B)

Here α,β are constants.

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Chapter 15 Solutions

Introduction to Chemical Engineering Thermodynamics

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