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13.20. At one bar, a mixture of mole fractions 0.20, 0.45, 0.25, and 0.10 of n-hexane, n-heptane, iso-heptane, and n-octane, respectively, is prepared. The saturation pressure of each species can be modeled by the equation log10Pvap=c C2/(c3T), where Pap has units of mmHg, T has units of °C, and the constants Ci, C2, and c are given by Table 13.1 Table 13.1 Values of the constants c1, c2, and c3 Species С2 C3 С1 n-hexane 6.87024 1168.72 224.210 n-heptane iso-heptane 6.89385 1264.37 216.636 1236.03 6.87318 219.545 6.90940 1349.82 209.385 n-octane (a) Find the bubble-point temperature of this mixture and the corresponding vapor-phase compositions (b) Find the dew-point temperature and the corresponding liquid-phase compositions (c) At 92 °C, find both the liquid and vapor compositions and the fraction of the system that is vapor

13.20. At one bar, a mixture of mole fractions 0.20, 0.45, 0.25, and 0.10 of n-hexane, n-heptane, iso-heptane, and n-octane, respectively, is prepared. The saturation pressure of each species can be modeled by the equation log10Pvap=c C2/(c3T), where Pap has units of mmHg, T has units of °C, and the constants Ci, C2, and c are given by Table 13.1 Table 13.1 Values of the constants c1, c2, and c3 Species С2 C3 С1 n-hexane 6.87024 1168.72 224.210 n-heptane iso-heptane 6.89385 1264.37 216.636 1236.03 6.87318 219.545 6.90940 1349.82 209.385 n-octane (a) Find the bubble-point temperature of this mixture and the corresponding vapor-phase compositions (b) Find the dew-point temperature and the corresponding liquid-phase compositions (c) At 92 °C, find both the liquid and vapor compositions and the fraction of the system that is vapor

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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This problem is (13.20) from a book  "Thermodynamics and Statistical Mechanics An Integrated Approach by M. Scott Shell"

13.20. At one bar, a mixture of mole fractions 0.20, 0.45, 0.25, and 0.10 of n-hexane, n-heptane, iso-heptane, and n-octane, respectively, is prepared. The saturation pressure of each species can be modeled by the equation log10Pvap=c C2/(c3T), where Pap has units of mmHg, T has units of °C, and the constants Ci, C2, and c are given by Table 13.1 Table 13.1 Values of the constants c1, c2, and c3 Species С2 C3 С1 n-hexane 6.87024 1168.72 224.210 n-heptane iso-heptane 6.89385 1264.37 216.636 1236.03 6.87318 219.545 6.90940 1349.82 209.385 n-octane (a) Find the bubble-point temperature of this mixture and the corresponding vapor-phase compositions
Transcribed Image Text:13.20. At one bar, a mixture of mole fractions 0.20, 0.45, 0.25, and 0.10 of n-hexane, n-heptane, iso-heptane, and n-octane, respectively, is prepared. The saturation pressure of each species can be modeled by the equation log10Pvap=c C2/(c3T), where Pap has units of mmHg, T has units of °C, and the constants Ci, C2, and c are given by Table 13.1 Table 13.1 Values of the constants c1, c2, and c3 Species С2 C3 С1 n-hexane 6.87024 1168.72 224.210 n-heptane iso-heptane 6.89385 1264.37 216.636 1236.03 6.87318 219.545 6.90940 1349.82 209.385 n-octane (a) Find the bubble-point temperature of this mixture and the corresponding vapor-phase compositions
(b) Find the dew-point temperature and the corresponding liquid-phase compositions (c) At 92 °C, find both the liquid and vapor compositions and the fraction of the system that is vapor
Transcribed Image Text:(b) Find the dew-point temperature and the corresponding liquid-phase compositions (c) At 92 °C, find both the liquid and vapor compositions and the fraction of the system that is vapor
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