Map A vapor stream of acetone and dry air enters a condenser at 150°F, 14.7 psia, and at 54.0% relative saturation. Leaving the condenser is a liquid stream of 47.0 lb-mol acetone/min, and a vapor stream at 14.7 psia containing 0.1361 Ib-mol acetone/lb-mol and 0.8639 lb-mol air/lb-mol. Find the flow rate of vapor into the condensor by following the steps below. Label the process flow diagram below. Label any quantities as "unknown" if you have to perform a calculation to obtain the numeric value. DO NOŤ LEAVE ANY ANSWER SPACE BLANK. T2 = unknown °F P2 = 14.7 psia T1 = °F n2 = unknown Ib-mol gas/min 150 P1 = 14.7 psia Уз %3 0.1361 Ib-mol acetone/lb-mol n1 = unknown Ib-mol gas/min У4 %3 0.8639 Ib-mol air/lb-mol Condenser y1 = unknown Ib-mol acetone/lb-mol y2 = unknown Ib-mol air/lb-mol Пз 3 47.0 Ib-mol acetone (I)/min 54.0 0.1361 0.8639 47.0 unknown 14.7 54.0 150 What is T2, the temperature of vapor leaving the condenser? (Scroll down for more questions.) Number 45 What is y1, the mole fraction of acetone in the vapor entering the condenser? Incorrect. Number To find the concentration of acetone in the incoming vapor stream, first find the vapor pressure of acetone at those conditions, then use an equation relating relative saturation and vapor pressure to the partial pressure of acetone. Finally, convert the partial pressure of acetone to a mole fraction. Ib – mol acetone .72 lb – mol What is n1, the molar flow rate of vapor entering the condenser? Go to the Cox vapor pressure plot, and find the temperature of 150°F on the horizontal axis. Follow the 150°F line up until it intersects the acetone line. Follow that point over to the left until it intersects the vapor pressure axis, and read that value off of the chart. Number lb – mol min Open the panel below for more guidance.
Map A vapor stream of acetone and dry air enters a condenser at 150°F, 14.7 psia, and at 54.0% relative saturation. Leaving the condenser is a liquid stream of 47.0 lb-mol acetone/min, and a vapor stream at 14.7 psia containing 0.1361 Ib-mol acetone/lb-mol and 0.8639 lb-mol air/lb-mol. Find the flow rate of vapor into the condensor by following the steps below. Label the process flow diagram below. Label any quantities as "unknown" if you have to perform a calculation to obtain the numeric value. DO NOŤ LEAVE ANY ANSWER SPACE BLANK. T2 = unknown °F P2 = 14.7 psia T1 = °F n2 = unknown Ib-mol gas/min 150 P1 = 14.7 psia Уз %3 0.1361 Ib-mol acetone/lb-mol n1 = unknown Ib-mol gas/min У4 %3 0.8639 Ib-mol air/lb-mol Condenser y1 = unknown Ib-mol acetone/lb-mol y2 = unknown Ib-mol air/lb-mol Пз 3 47.0 Ib-mol acetone (I)/min 54.0 0.1361 0.8639 47.0 unknown 14.7 54.0 150 What is T2, the temperature of vapor leaving the condenser? (Scroll down for more questions.) Number 45 What is y1, the mole fraction of acetone in the vapor entering the condenser? Incorrect. Number To find the concentration of acetone in the incoming vapor stream, first find the vapor pressure of acetone at those conditions, then use an equation relating relative saturation and vapor pressure to the partial pressure of acetone. Finally, convert the partial pressure of acetone to a mole fraction. Ib – mol acetone .72 lb – mol What is n1, the molar flow rate of vapor entering the condenser? Go to the Cox vapor pressure plot, and find the temperature of 150°F on the horizontal axis. Follow the 150°F line up until it intersects the acetone line. Follow that point over to the left until it intersects the vapor pressure axis, and read that value off of the chart. Number lb – mol min Open the panel below for more guidance.
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
Related questions
Question
Transcribed Image Text:Map
A vapor stream of acetone and dry air enters a condenser at 150°F, 14.7 psia, and at 54.0% relative
saturation. Leaving the condenser is a liquid stream of 47.0 lb-mol acetone/min, and a vapor stream at
14.7 psia containing 0.1361 Ib-mol acetone/lb-mol and 0.8639 lb-mol air/lb-mol. Find the flow rate of vapor
into the condensor by following the steps below.
Label the process flow diagram below. Label any quantities as "unknown" if you have to perform a
calculation to obtain the numeric value. DO NOŤ LEAVE ANY ANSWER SPACE BLANK.
T2 = unknown °F
P2 =
14.7
psia
T1 =
°F
n2 = unknown Ib-mol gas/min
150
P1 =
14.7
psia
Уз %3
0.1361
Ib-mol acetone/lb-mol
n1 =
unknown Ib-mol gas/min
У4 %3
0.8639
Ib-mol air/lb-mol
Condenser
y1 = unknown Ib-mol acetone/lb-mol
y2 = unknown Ib-mol air/lb-mol
Пз 3
47.0
Ib-mol acetone (I)/min
54.0
0.1361
0.8639
47.0
unknown
14.7
54.0
150
What is T2, the temperature of vapor leaving the condenser?
(Scroll down for more questions.)
Number
45
Transcribed Image Text:What is y1, the mole fraction of acetone in the vapor entering the condenser?
Incorrect.
Number
To find the concentration of acetone in the incoming vapor
stream, first find the vapor pressure of acetone at those
conditions, then use an equation relating relative
saturation and vapor pressure to the partial pressure of
acetone. Finally, convert the partial pressure of acetone to
a mole fraction.
Ib – mol acetone
.72
lb – mol
What is n1, the molar flow rate of vapor entering the condenser?
Go to the Cox vapor pressure plot, and find the
temperature of 150°F on the horizontal axis. Follow the
150°F line up until it intersects the acetone line. Follow that
point over to the left until it intersects the vapor pressure
axis, and read that value off of the chart.
Number
lb – mol
min
Open the panel below for more guidance.
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