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The following questions relate to the nature of vapour/liquid equilibrium (VLE). Choose ONE or MORE answers that are TRUE. A Modified Raoult's Law accounts for the non-ideality of the liquid phase, while Raoult's Law applies to systems with ideal solutions. B. For a binary system at equilibrium, fixing the vapour phase compositions will enable calculation of temperature and liquid phase compositions. C. If the liquid and vapour phases are in equilibrium, the fugacities of each species in each phase are the same. OD. The excess Gibbs energy is positive for ideal solutions

The following questions relate to the nature of vapour/liquid equilibrium (VLE). Choose ONE or MORE answers that are TRUE. A Modified Raoult's Law accounts for the non-ideality of the liquid phase, while Raoult's Law applies to systems with ideal solutions. B. For a binary system at equilibrium, fixing the vapour phase compositions will enable calculation of temperature and liquid phase compositions. C. If the liquid and vapour phases are in equilibrium, the fugacities of each species in each phase are the same. OD. The excess Gibbs energy is positive for ideal solutions

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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QUESTION 1 The following questions relate to the nature of vapour/liquid equilibrium (VLE). Choose ONE or MORE answers that are TRUE. OA Modified Raoult's Law accounts for the non-ideality of the liquid phase, while Raoult's Law applies to systems with ideal solutions. UB. For a binary system at equilibrium, fixing the vapour phase compositions will enable calculation of temperature and liquid phase compositions. CIf the liquid and vapour phases are in equilibrium, the fugacities of each species in each phase are the same. D. The excess Gibbs energy is positive for ideal solutions. We always need to assume ideal solution behaviour in order to calculate liquid phase composition at equilibrium. F. For a binary system at equilibrium, fixing the vapour phase compositions and temperature will enable calculation of pressure and liquid phase compositions. UG. Raoult's Law and Henry's Law both give relationships between the equilibrium liquid and vapour compositions. OH. The activity coefficients for the liquid phase are zero for ideal solutions. 00 00
Transcribed Image Text:QUESTION 1 The following questions relate to the nature of vapour/liquid equilibrium (VLE). Choose ONE or MORE answers that are TRUE. OA Modified Raoult's Law accounts for the non-ideality of the liquid phase, while Raoult's Law applies to systems with ideal solutions. UB. For a binary system at equilibrium, fixing the vapour phase compositions will enable calculation of temperature and liquid phase compositions. CIf the liquid and vapour phases are in equilibrium, the fugacities of each species in each phase are the same. D. The excess Gibbs energy is positive for ideal solutions. We always need to assume ideal solution behaviour in order to calculate liquid phase composition at equilibrium. F. For a binary system at equilibrium, fixing the vapour phase compositions and temperature will enable calculation of pressure and liquid phase compositions. UG. Raoult's Law and Henry's Law both give relationships between the equilibrium liquid and vapour compositions. OH. The activity coefficients for the liquid phase are zero for ideal solutions. 00 00
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