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Consider a solution of two similar liquids which are miscible in all proportions over a wide range of temperature. The excess Gibbs energy of this solution is adequately repre- sented by the equation gE = Ax1x2 where A is a constant depending only on temperature. Over a wide range of temperature the ratio of the vapor pressures of the pure components is constant and equal to 1.649. Over this same range of temperature the vapor phase may be considered ideal. We want to find out whether or not this solution has an azeotrope. Find the range of val- ues A may have for azeotropy to occur.

Consider a solution of two similar liquids which are miscible in all proportions over a wide range of temperature. The excess Gibbs energy of this solution is adequately repre- sented by the equation gE = Ax1x2 where A is a constant depending only on temperature. Over a wide range of temperature the ratio of the vapor pressures of the pure components is constant and equal to 1.649. Over this same range of temperature the vapor phase may be considered ideal. We want to find out whether or not this solution has an azeotrope. Find the range of val- ues A may have for azeotropy to occur.

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 solution of two similar liquids which are miscible in all proportions over a wide range of temperature. The excess Gibbs energy of this solution is adequately repre- sented by the equation 2. gE = Ax,x2 where A is a constant depending only on temperature. Over a wide range of temperature the ratio of the vapor pressures of the pure components is constant and equal to 1.649. Over this same range of temperature the vapor phase may be considered ideal. We want to find out whether or not this solution has an azeotrope. Find the range of val- ues A may have for azeotropy to óccur.
Transcribed Image Text:Consider a solution of two similar liquids which are miscible in all proportions over a wide range of temperature. The excess Gibbs energy of this solution is adequately repre- sented by the equation 2. gE = Ax,x2 where A is a constant depending only on temperature. Over a wide range of temperature the ratio of the vapor pressures of the pure components is constant and equal to 1.649. Over this same range of temperature the vapor phase may be considered ideal. We want to find out whether or not this solution has an azeotrope. Find the range of val- ues A may have for azeotropy to óccur.
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