Uploaded by Effervescent Purwatjan

10.29 Smith vanness

advertisement
9/2/2020

Solved: A mixture- 25-mol-% n-pentane, 45-mol-% n-hexane, and 3... | Chegg.com

Tex
extb
tboo
ook
k Sol
Solut
utio
ions
ns
Expe
Ex
pert
rt Q&A
Q&A
Prac
Pr
acti
tice
ce
NEW!
Study Pack

Search
Find solutions for your homework
home / study / science / chemistry / chemical engineering / chemical engineering solutions manuals / introduction to chemical engineering thermodynamics / 6th edition / chapter 10 / problem 29p
Introduction
Introductio
n to Chemical
Ch emical Engineering Thermodynamics (6th Edition)
See this solution in the app
1 Bookmark
Chapter 10, Problem 29P
Show all steps:
ON
Post a question
Answers from our experts for your tough
homework questions
Problem
Enter question
A mixture- 25-mol-% n-pentane, 45-mol-% n-hexane, and 30-mol-% n-heptane- is brought to a
condition of 200(°F) and 2 (atm). What molar fraction of the system is liquid, and what are the
phase compositions?
Continue to post
20 questions remaining
Step--by-step solution
Step
Snap a photo from your
phone to post a question
We'll send you a one-time
download link
Step 1 of 6
Temperature of the system
is
.Pressure of the system
is
.
888-888-8888
Text me
By providing your phone number, you agree to receive
a one-time automated text message with a link to get
the app. Standard messaging rates may apply.
Write the composition of the components in feed as follows:
Mole fraction of n-pentane
Mole fraction of n-hexane
Mole fraction of n-heptane
is
is
is
.
My Textbook Solutions
.
.
From Figure 10.14, write the K value for each component at
and
as follows:
https://www.ch eg
egg ..c
co m
m//h o
om
mewor k
k-- he
help //m
mixture --2
25- m
mo
ol-n --p
pen tta
an
ne
e- 4
45
5-mo ll--n- h
he
exan ee-30 --m
mol- n
n--he p
pttane --b
br- ch
ch ap
apter -1
-10- p
prrob le
lem-2 9p
9p-so lu
lution- 9
97
78 0
00
07 24
240 29
296 4
4--e x
xc
c
1 //6
6
9/2/2020

Solved: A mixture- 25-mol-% n-pentane, 45-mol-% n-hexane, and 3... | Chegg.com

Tex
extb
tboo
ook
k Sol
Solut
utio
ions
ns
Expe
Ex
pert
rt Q&A
Q&A
Prac
Pr
acti
tice
ce
NEW!
Introduction Plant Design
to Chemical... and...
6th Edition
5th Edition
Fluid
Mechanics...
Study
Pack
10th Edition

View all solutions
Comment
Chegg tutors who can help
Step 2 of 6
right now
S
Let xi be the mole fraction of component in liquid phase and yi be the mole fraction of component
Rensselaer Polytec…
1474
in vapor phase.
Relation between mole fraction of component in liquid phase and vapor phase are as follows:
Alfredo
Rasmussen College
Josh
Ph.D. in Mathematics
Take the basis as 100 moles of feed,
378
1366
.
Write the total mole balance as follows:
ind me a tutor
…… (1)
Here,
is feed moles,
is vapor mole, and
is liquid mole.
Write the mole balance equation for n-pentane as follows:
…… (2)
Write the mole balance equation for n-hexane as follows:
…… (3)
Write the mole balance equation for n-heptane as follows:
https://www.ch eg
egg ..c
co m
m//h o
om
mewor k
k-- he
help //m
mixture --2
25- m
mo
ol-n --p
pen tta
an
ne
e- 4
45
5-mo ll--n- h
he
exan ee-30 --m
mol- n
n--he p
pttane --b
br- ch
ch ap
apter -1
-10- p
prrob le
lem-2 9p
9p-so lu
lution- 9
97
78 0
00
07 24
240 29
296 4
4--e x
xc
c
2 //6
6
9/2/2020

Solved: A mixture- 25-mol-% n-pentane, 45-mol-% n-hexane, and 3... | Chegg.com

Tex
extb
tboo
ook
k Sol
Solut
utio
ions
ns
Expe
Ex
pert
rt Q&A
Q&A
Prac
Pr
acti
tice
ce
NEW!
Study Pack

…… (4)
Comment
Step 3 of 6
Relation between the mole fractions of the components in the liquid phase is as follows:
Substitute the corresponding values in the above equation to calculate the value of L.
Calculate the moles in vapor phase from equation (1) as follows:
Comment
Step 4 of 6
Calculate the compositions of each component in each phase as follows:
For n -pentane:
https://www.ch eg
egg ..c
co m
m//h o
om
mewor k
k-- he
help //m
mixture --2
25- m
mo
ol-n --p
pen tta
an
ne
e- 4
45
5-mo ll--n- h
he
exan ee-30 --m
mol- n
n--he p
pttane --b
br- ch
ch ap
apter -1
-10- p
prrob le
lem-2 9p
9p-so lu
lution- 9
97
78 0
00
07 24
240 29
296 4
4--e x
xc
c
3 //6
6
9/2/2020

Solved: A mixture- 25-mol-% n-pentane, 45-mol-% n-hexane, and 3... | Chegg.com

Tex
extb
tboo
ook
k Sol
Solut
utio
ions
ns
Expe
Ex
pert
rt Q&A
Q&A
Prac
Pr
acti
tice
ce
NEW!
Study Pack

Comment
Step 5 of 6
For n -hexane:
Comment
Step 6 of 6
For n -heptane:
https://www.ch eg
egg ..c
co m
m//h o
om
mewor k
k-- he
help //m
mixture --2
25- m
mo
ol-n --p
pen tta
an
ne
e- 4
45
5-mo ll--n- h
he
exan ee-30 --m
mol- n
n--he p
pttane --b
br- ch
ch ap
apter -1
-10- p
prrob le
lem-2 9p
9p-so lu
lution- 9
97
78 0
00
07 24
240 29
296 4
4--e x
xc
c
4 //6
6
9/2/2020

Solved: A mixture- 25-mol-% n-pentane, 45-mol-% n-hexane, and 3... | Chegg.com

Tex
extb
tboo
ook
k Sol
Solut
utio
ions
ns
Expe
Ex
pert
rt Q&A
Q&A
Therefore, the liquid molar fraction is
Prac
Pr
acti
tice
ce
NEW!
Study Pack

and the phase compositions are as follows:
Comment
Was this solution helpful?
0
0
Recommended solutions for you in Chapter 10
Chapter 10, Problem 7P
A single-stage liquid/vapor separation for the
benzene(1)/ethylbenzene(2) system must produce
phases of the following equilibrium compositions.
For one of these sets, determine T and P in the
separator. What additional information is needed
to...
See solution
See more problems in subjects you study
https://www.ch eg
egg ..c
co m
m//h o
om
mewor k
k-- he
help //m
mixture --2
25- m
mo
ol-n --p
pen tta
an
ne
e- 4
45
5-mo ll--n- h
he
exan ee-30 --m
mol- n
n--he p
pttane --b
br- ch
ch ap
apter -1
-10- p
prrob le
lem-2 9p
9p-so lu
lution- 9
97
78 0
00
07 24
240 29
296 4
4--e x
xc
c
5 //6
6
Download