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12.29. Mixtures of methanol and 1-0ctanol are prepared, and their temperature is raised to a level above the boiling point of methanol but below that of 1-octanol.

12.29. Mixtures of methanol and 1-0ctanol are prepared, and their temperature is raised to a level above the boiling point of methanol but below that of 1-octanol.

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
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12.29. Mixtures of methanol and 1-octanol are prepared, and their temperature is raised to a level above the boiling point of methanol but below that of 1-octanol.
Transcribed Image Text:12.29. Mixtures of methanol and 1-octanol are prepared, and their temperature is raised to a level above the boiling point of methanol but below that of 1-octanol.
observed. Table 12.1 gives the mole fraction of methanol in each phase for two at constant atmospheric pressure. As a result, a two-phase liquid-vapor system is Problems 243 otant atmospheric pressure. As a result, a two-phase liquid-vapor system is different temperatures. 6) Using only these data, estimate the enthalpies of vaporization of pure metha- t nol and pure 1-octanol in this temperature regime, Ahvap.M and Ahvap.O, respectively. Express your answer in kJ/mol. Hint: you may want to consider ideal mixture models. (b) Estimate the boiling temperatures of pure methanol and pure 1-octanol, TpM and Tp,o, respectively. Express your answer in K. Table 12.1 Mole fractions of methanol Liquid mole fraction of methanol Vapor mole fraction of methanol T (K) 340.0 0.9990 0.8978 450.0 0.4072 0.0127 12,30 ido 1 and 2 gives a total
Transcribed Image Text:observed. Table 12.1 gives the mole fraction of methanol in each phase for two at constant atmospheric pressure. As a result, a two-phase liquid-vapor system is Problems 243 otant atmospheric pressure. As a result, a two-phase liquid-vapor system is different temperatures. 6) Using only these data, estimate the enthalpies of vaporization of pure metha- t nol and pure 1-octanol in this temperature regime, Ahvap.M and Ahvap.O, respectively. Express your answer in kJ/mol. Hint: you may want to consider ideal mixture models. (b) Estimate the boiling temperatures of pure methanol and pure 1-octanol, TpM and Tp,o, respectively. Express your answer in K. Table 12.1 Mole fractions of methanol Liquid mole fraction of methanol Vapor mole fraction of methanol T (K) 340.0 0.9990 0.8978 450.0 0.4072 0.0127 12,30 ido 1 and 2 gives a total
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