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2. a. Pressure, kPa C. - [PVTsim] This is a question regarding phase envelope and equilibrium concept. Using PVTsim with the PR EOS, show the following on the same P-T figure: PT cross section for the equimolar mixture of C2 and nC5 - Vapor pressure curve of C2 b. Vapor pressure curve of nC5. Indicate the critical point of the equimolar mixture clearly. On the same figure, add another PT cross section for 10 mol% C₂ and 90 mol% nC5. Indicate clearly the critical point for this mixture. 7000 C2 nC5 10 mol% C2 +90 mol% nC5 CP 10 mol% C2 + 90 mol% nC5 50 mol% C2 +50 mol% nC5 CP 50 mol% C2 + 50 mol% nC5 6000 5000 4000 3000 2000 1000 Critical point Critical point 0 250 300 350 400 450 500 Temperature, K Consider the mixing of two fluids x and y, where x = [0,1] and y = [0.5]. That is, represents 10 mol% C₂ and 90 mol% nC5 (part "b"), and ✓ represents the equimolar mixture (part "a"). Read the 2 (approximate) intersection of the dew-point curve for ✓ and the bubble-point curve of x. d. It is approximately 370 K and 1255 kPa. Consider the mixing of L moles of ✓ with V moles of y, in which L+V = 1. What is the resulting overall composition Z (you can pick a value for L. 0

2. a. Pressure, kPa C. - [PVTsim] This is a question regarding phase envelope and equilibrium concept. Using PVTsim with the PR EOS, show the following on the same P-T figure: PT cross section for the equimolar mixture of C2 and nC5 - Vapor pressure curve of C2 b. Vapor pressure curve of nC5. Indicate the critical point of the equimolar mixture clearly. On the same figure, add another PT cross section for 10 mol% C₂ and 90 mol% nC5. Indicate clearly the critical point for this mixture. 7000 C2 nC5 10 mol% C2 +90 mol% nC5 CP 10 mol% C2 + 90 mol% nC5 50 mol% C2 +50 mol% nC5 CP 50 mol% C2 + 50 mol% nC5 6000 5000 4000 3000 2000 1000 Critical point Critical point 0 250 300 350 400 450 500 Temperature, K Consider the mixing of two fluids x and y, where x = [0,1] and y = [0.5]. That is, represents 10 mol% C₂ and 90 mol% nC5 (part "b"), and ✓ represents the equimolar mixture (part "a"). Read the 2 (approximate) intersection of the dew-point curve for ✓ and the bubble-point curve of x. d. It is approximately 370 K and 1255 kPa. Consider the mixing of L moles of ✓ with V moles of y, in which L+V = 1. What is the resulting overall composition Z (you can pick a value for L. 0

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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Help with part d please 

2. a. Pressure, kPa C. - [PVTsim] This is a question regarding phase envelope and equilibrium concept. Using PVTsim with the PR EOS, show the following on the same P-T figure: PT cross section for the equimolar mixture of C2 and nC5 - Vapor pressure curve of C2 b. Vapor pressure curve of nC5. Indicate the critical point of the equimolar mixture clearly. On the same figure, add another PT cross section for 10 mol% C₂ and 90 mol% nC5. Indicate clearly the critical point for this mixture. 7000 C2 nC5 10 mol% C2 +90 mol% nC5 CP 10 mol% C2 + 90 mol% nC5 50 mol% C2 +50 mol% nC5 CP 50 mol% C2 + 50 mol% nC5 6000 5000 4000 3000 2000 1000 Critical point Critical point 0 250 300 350 400 450 500 Temperature, K Consider the mixing of two fluids x and y, where x = [0,1] and y = [0.5]. That is, represents 10 mol% C₂ and 90 mol% nC5 (part "b"), and ✓ represents the equimolar mixture (part "a"). Read the 2
Transcribed Image Text:2. a. Pressure, kPa C. - [PVTsim] This is a question regarding phase envelope and equilibrium concept. Using PVTsim with the PR EOS, show the following on the same P-T figure: PT cross section for the equimolar mixture of C2 and nC5 - Vapor pressure curve of C2 b. Vapor pressure curve of nC5. Indicate the critical point of the equimolar mixture clearly. On the same figure, add another PT cross section for 10 mol% C₂ and 90 mol% nC5. Indicate clearly the critical point for this mixture. 7000 C2 nC5 10 mol% C2 +90 mol% nC5 CP 10 mol% C2 + 90 mol% nC5 50 mol% C2 +50 mol% nC5 CP 50 mol% C2 + 50 mol% nC5 6000 5000 4000 3000 2000 1000 Critical point Critical point 0 250 300 350 400 450 500 Temperature, K Consider the mixing of two fluids x and y, where x = [0,1] and y = [0.5]. That is, represents 10 mol% C₂ and 90 mol% nC5 (part "b"), and ✓ represents the equimolar mixture (part "a"). Read the 2
(approximate) intersection of the dew-point curve for ✓ and the bubble-point curve of x. d. It is approximately 370 K and 1255 kPa. Consider the mixing of L moles of ✓ with V moles of y, in which L+V = 1. What is the resulting overall composition Z (you can pick a value for L. 0 <L< 1)? Perform PT flash for that overall composition Z at the temperature-pressure condition from part "c" (i.e., the intersection). What are the compositions of the two equilibrium phases? Are they close to ✓ and ✓ from part c? Why, or why not?
Transcribed Image Text:(approximate) intersection of the dew-point curve for ✓ and the bubble-point curve of x. d. It is approximately 370 K and 1255 kPa. Consider the mixing of L moles of ✓ with V moles of y, in which L+V = 1. What is the resulting overall composition Z (you can pick a value for L. 0 <L< 1)? Perform PT flash for that overall composition Z at the temperature-pressure condition from part "c" (i.e., the intersection). What are the compositions of the two equilibrium phases? Are they close to ✓ and ✓ from part c? Why, or why not?
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