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3. The heat-of-mixing data of Featherstone and Dickinson [J. Chem. Thermodyn., 9 75 (1977)] for the n-octanol + n-decane liquid mixture at atmospheric pressure is approximately fit by where A = -12974 +51.505T and AmixH = x₁x₂ (A + B(x₁ - x₂)) B = 8782.834.129T (in J mol-¹) with T having units of K and x₁ being the n-octanol mole fraction. a) Compute the difference between the partial molar and pure-component enthalpies of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate H₁-H₁. Note b) Compute the difference between the partial molar and pure-component heat capacities of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate Cp,i - Cp,i- Cp = (24/7) P,Nj

3. The heat-of-mixing data of Featherstone and Dickinson [J. Chem. Thermodyn., 9 75 (1977)] for the n-octanol + n-decane liquid mixture at atmospheric pressure is approximately fit by where A = -12974 +51.505T and AmixH = x₁x₂ (A + B(x₁ - x₂)) B = 8782.834.129T (in J mol-¹) with T having units of K and x₁ being the n-octanol mole fraction. a) Compute the difference between the partial molar and pure-component enthalpies of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate H₁-H₁. Note b) Compute the difference between the partial molar and pure-component heat capacities of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate Cp,i - Cp,i- Cp = (24/7) P,Nj

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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(a) H₁ - H₁ = 255.4 J/mol H₂-H₂ = 983.4 J/mol 2 (b) (C₁,₁ - CP₁1) | x,-0.8 - 4,344 J/mol K X₁=0.5 (C₁,₁ - CP₁2) | x,₁00.5 = 21.41 J/mol K (c) Q = 259 J/mol solution
Transcribed Image Text:(a) H₁ - H₁ = 255.4 J/mol H₂-H₂ = 983.4 J/mol 2 (b) (C₁,₁ - CP₁1) | x,-0.8 - 4,344 J/mol K X₁=0.5 (C₁,₁ - CP₁2) | x,₁00.5 = 21.41 J/mol K (c) Q = 259 J/mol solution
3. The heat-of-mixing data of Featherstone and Dickinson [J. Chem. Thermodyn., 9, 75 (1977)] for the n-octanol + n-decane liquid mixture at atmospheric pressure is approximately fit by Amix H = x₁x₂ (A + B(x₁ − x₂)) where A = -12974 +51.505T and B = 8782.8 34.129T with T having units of K and x₁ being the n-octanol mole fraction. a) Compute the difference between the partial molar and pure-component enthalpies of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate H₁-H₁. b) Compute the difference between the partial molar and pure-component heat capacities of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate Cpi - Cp,i- Note and Cp Cpi = (3/1) p P,Nj = -(077) (in J mol-¹) P,Nj
Transcribed Image Text:3. The heat-of-mixing data of Featherstone and Dickinson [J. Chem. Thermodyn., 9, 75 (1977)] for the n-octanol + n-decane liquid mixture at atmospheric pressure is approximately fit by Amix H = x₁x₂ (A + B(x₁ − x₂)) where A = -12974 +51.505T and B = 8782.8 34.129T with T having units of K and x₁ being the n-octanol mole fraction. a) Compute the difference between the partial molar and pure-component enthalpies of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate H₁-H₁. b) Compute the difference between the partial molar and pure-component heat capacities of n-octanol and of n-decane at x₁ = 0.50 and T = 300.0 K. That is, calculate Cpi - Cp,i- Note and Cp Cpi = (3/1) p P,Nj = -(077) (in J mol-¹) P,Nj
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