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3. Find the dew and bubble temperatures of a mixture 85% mol water and 15% mol acetic acid at Ibar. There is a non-ideal behavior in the liquid phase. The activity coefficients of water and acetic acid are given by: logy = x² B+C(4Xw − 1) + C(Xw − X₂ )(6x₁ − 1) logy₁ = x² B+C(4.xw − 3) + C(xw − x₁)(6.x - 5) where the W and A subscripts are for water and acetic acid, x is the mol fraction and: 43.27 B=0.1735- T(K) C = 0.1081 Use the Antoine equation to get vapor pressures of water and acetic acid. Constants can be found below

3. Find the dew and bubble temperatures of a mixture 85% mol water and 15% mol acetic acid at Ibar. There is a non-ideal behavior in the liquid phase. The activity coefficients of water and acetic acid are given by: logy = x² B+C(4Xw − 1) + C(Xw − X₂ )(6x₁ − 1) logy₁ = x² B+C(4.xw − 3) + C(xw − x₁)(6.x - 5) where the W and A subscripts are for water and acetic acid, x is the mol fraction and: 43.27 B=0.1735- T(K) C = 0.1081 Use the Antoine equation to get vapor pressures of water and acetic acid. Constants can be found below

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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3. Find the dew and bubble temperatures of a mixture 85% mol water and 15% mol acetic acid at Ibar. There is a non-ideal behavior in the liquid phase. The activity coefficients of water and acetic acid are given by: logy = x B+C(4x − 1) + C(x − x)(6x − 1) logy₁ = x² B+C(4xw − 3) + C(xw − x₁)(6x – 5) A where the W and A subscripts are for water and acetic acid, x is the mol fraction and: 43.27 B = 0.1735- T(K) C = 0.1081 Use the Antoine equation to get vapor pressures of water and acetic acid. Constants can be found below Water • Formula: H₂O • Molecular weight: 18.0153 • IUPAC Standard InChl: InChl=1S/H20/h1H2 • IUPAC Standard InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-N • CAS Registry Number: 7732-18-5 ● Chemical structure: log₁0 (P) = A (B/ (T+C)) P = vapor pressure (bar) T = temperature (K) H Antoine Equation Parameters View plot Requires a JavaScript/HTML 5 canvas capable browser. H B Temperature (K) A Reference Comment 379.-573. 3.55959 643.748-198.043 Liu and Lindsay, 1970 Coefficents calculated by NIST from author's data. 273.303. 5.40221 1838.675 -31.737 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 304. - 333.5.20389 1733.926 -39.485 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 334.-363. 5.0768 1659.793 -45.854 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 344.-373. 5.08354 1663.125 -45.622 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 293. 343. 6.20963 2354.731 7.559 Gubkov, Fermor, et al., 1964 Coefficents calculated by NIST from author's data. 255.9373. 4.6543 1435.264 -64.848 Stull, 1947 Coefficents calculated by NIST from author's data. Acetic acid log10(P) = A (B/(T+C)) P = vapor pressure (bar) T = temperature (K) • Formula: C₂H4O₂ • Molecular weight: 60.0520 • IUPAC Standard InChl: InChl=1S/C2H4O2/c1-2(3)4/h1H3, (H,3,4) InChl v 1.06 C • IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N • CAS Registry Number: 64-19-7 ● Chemical structure: OH Antoine Equation Parameters B с View plot Requires a JavaScript/HTML 5 canvas capable browser. Reference Temperature (K) A 290.26-391.01 4.68206 1642.54-39.764 McDonald, Shrader, et al., 1959 InChl v 1.06
Transcribed Image Text:3. Find the dew and bubble temperatures of a mixture 85% mol water and 15% mol acetic acid at Ibar. There is a non-ideal behavior in the liquid phase. The activity coefficients of water and acetic acid are given by: logy = x B+C(4x − 1) + C(x − x)(6x − 1) logy₁ = x² B+C(4xw − 3) + C(xw − x₁)(6x – 5) A where the W and A subscripts are for water and acetic acid, x is the mol fraction and: 43.27 B = 0.1735- T(K) C = 0.1081 Use the Antoine equation to get vapor pressures of water and acetic acid. Constants can be found below Water • Formula: H₂O • Molecular weight: 18.0153 • IUPAC Standard InChl: InChl=1S/H20/h1H2 • IUPAC Standard InChIKey: XLYOFNOQVPJJNP-UHFFFAOYSA-N • CAS Registry Number: 7732-18-5 ● Chemical structure: log₁0 (P) = A (B/ (T+C)) P = vapor pressure (bar) T = temperature (K) H Antoine Equation Parameters View plot Requires a JavaScript/HTML 5 canvas capable browser. H B Temperature (K) A Reference Comment 379.-573. 3.55959 643.748-198.043 Liu and Lindsay, 1970 Coefficents calculated by NIST from author's data. 273.303. 5.40221 1838.675 -31.737 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 304. - 333.5.20389 1733.926 -39.485 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 334.-363. 5.0768 1659.793 -45.854 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 344.-373. 5.08354 1663.125 -45.622 Bridgeman and Aldrich, 1964 Coefficents calculated by NIST from author's data. 293. 343. 6.20963 2354.731 7.559 Gubkov, Fermor, et al., 1964 Coefficents calculated by NIST from author's data. 255.9373. 4.6543 1435.264 -64.848 Stull, 1947 Coefficents calculated by NIST from author's data. Acetic acid log10(P) = A (B/(T+C)) P = vapor pressure (bar) T = temperature (K) • Formula: C₂H4O₂ • Molecular weight: 60.0520 • IUPAC Standard InChl: InChl=1S/C2H4O2/c1-2(3)4/h1H3, (H,3,4) InChl v 1.06 C • IUPAC Standard InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N • CAS Registry Number: 64-19-7 ● Chemical structure: OH Antoine Equation Parameters B с View plot Requires a JavaScript/HTML 5 canvas capable browser. Reference Temperature (K) A 290.26-391.01 4.68206 1642.54-39.764 McDonald, Shrader, et al., 1959 InChl v 1.06
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