d. Pressure, kPa 2. a. b. [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 nCs Vapor pressure curve of C2 Vapor pressure curve of nCs. 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% nCs. 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 C. Consider the mixing of two fluids and y, where =[0] and y=0.5] That is, represents 10 mol% C₂ and 90 mol% 10.9 nCs (part "b"), and represents the equimolar mixture (part "a"). Read the 2 (approximate) intersection of the dew-point curve for y and the bubble-point curve of x. It is approximately 370 K and 1255 kPa. Consider the mixing of L moles of What is the resulting overall composition Perform PT flash for that overall composition from part "c" (i.e., the intersection). with V moles of y, in which L+V = 1. (you can pick a value for L. 0
d. Pressure, kPa 2. a. b. [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 nCs Vapor pressure curve of C2 Vapor pressure curve of nCs. 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% nCs. 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 C. Consider the mixing of two fluids and y, where =[0] and y=0.5] That is, represents 10 mol% C₂ and 90 mol% 10.9 nCs (part "b"), and represents the equimolar mixture (part "a"). Read the 2 (approximate) intersection of the dew-point curve for y and the bubble-point curve of x. It is approximately 370 K and 1255 kPa. Consider the mixing of L moles of What is the resulting overall composition Perform PT flash for that overall composition from part "c" (i.e., the intersection). with V moles of y, in which L+V = 1. (you can pick a value for L. 0
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
![d.
Pressure, kPa
2.
a.
b.
[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 nCs
Vapor pressure curve of C2
Vapor pressure curve of nCs.
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% nCs. 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
C.
Consider the mixing of two fluids and y,
where =[0] and y=0.5] That is, represents 10 mol% C₂ and 90 mol%
10.9
nCs (part "b"), and represents the equimolar mixture (part "a"). Read the
2
(approximate) intersection of the dew-point curve for y and the bubble-point curve of
x.
It is approximately 370 K and 1255 kPa.
Consider the mixing of L moles of
What is the resulting overall composition
Perform PT flash for that overall composition
from part "c" (i.e., the intersection).
with V moles of y, in which L+V = 1.
(you can pick a value for L. 0 <L< 1)?
at the temperature-pressure condition
What are the compositions of the two
equilibrium phases? Are they close to x and y from part c? Why, or why not?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F56cdd5c4-e052-450c-a2b2-1366c7cbfa01%2Ff3a9d813-da32-4182-a1c3-6b2a1f8f0577%2Fcy9ried_processed.jpeg&w=3840&q=75)
Transcribed Image Text:d.
Pressure, kPa
2.
a.
b.
[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 nCs
Vapor pressure curve of C2
Vapor pressure curve of nCs.
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% nCs. 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
C.
Consider the mixing of two fluids and y,
where =[0] and y=0.5] That is, represents 10 mol% C₂ and 90 mol%
10.9
nCs (part "b"), and represents the equimolar mixture (part "a"). Read the
2
(approximate) intersection of the dew-point curve for y and the bubble-point curve of
x.
It is approximately 370 K and 1255 kPa.
Consider the mixing of L moles of
What is the resulting overall composition
Perform PT flash for that overall composition
from part "c" (i.e., the intersection).
with V moles of y, in which L+V = 1.
(you can pick a value for L. 0 <L< 1)?
at the temperature-pressure condition
What are the compositions of the two
equilibrium phases? Are they close to x and y from part c? Why, or why not?
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