A stream of humid air at 78 °C and 1 atm is flowing at a rate of 100 kmol/h, the Molal humidity of the stream is 0.3475 (MWAir=29, MWwater=18) Calculate: “show your working steps and formulas" a. The mole fraction of water vapor in this stream. b. The mole flow rate of dry air. c. The relative humidity of this stream. d. The mass ratio of water vapor to dry air in this stream. e. The dew point temperature and degree of super heat. Vapor pressure of water in mm Hg, at 1 atm. T(°C) 1 2 3 4 7 8 9 123.80 196.09 301.4 118.04 129.82 204.96 50 92.51 97.20 102.09 107.20 112.51 136.08 142.60 179.31 277.2 60 149.38 156.43 163.77 171.38 187.54 214.17 223.73 341.0 243.9 369.7 327.3 487.1 70 233.7 254.6 265.7 289.1 314.1 80 355.1 384.9 400.6 416.8 433.6 450.9 468.7 506.1
A stream of humid air at 78 °C and 1 atm is flowing at a rate of 100 kmol/h, the Molal humidity of the stream is 0.3475 (MWAir=29, MWwater=18) Calculate: “show your working steps and formulas" a. The mole fraction of water vapor in this stream. b. The mole flow rate of dry air. c. The relative humidity of this stream. d. The mass ratio of water vapor to dry air in this stream. e. The dew point temperature and degree of super heat. Vapor pressure of water in mm Hg, at 1 atm. T(°C) 1 2 3 4 7 8 9 123.80 196.09 301.4 118.04 129.82 204.96 50 92.51 97.20 102.09 107.20 112.51 136.08 142.60 179.31 277.2 60 149.38 156.43 163.77 171.38 187.54 214.17 223.73 341.0 243.9 369.7 327.3 487.1 70 233.7 254.6 265.7 289.1 314.1 80 355.1 384.9 400.6 416.8 433.6 450.9 468.7 506.1
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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Topic: Principles of Chemical Processes
Transcribed Image Text:A stream of humid air at 78 °C and 1 atm is flowing at a rate of 100 kmol/h, the Molal humidity of the stream is
0.3475 (MWAir=29, MWwater=18) Calculate: “show your working steps and formulas"
a. The mole fraction of water vapor in this stream.
b. The mole flow rate of dry air.
c. The relative humidity of this stream.
d. The mass ratio of water vapor to dry air in this stream.
e. The dew point temperature and degree of super heat.
Vapor pressure of water in mm Hg, at 1 atm.
T('C)
1
3
4
5
7
8
9
102.09
163.77
97.20
107.20
129.82
204.96
50
92.51
112.51
118.04
123.80
136.08
142.60
187.54
289.1
60
149.38
156.43
171.38
179.31
196.09
214.17
223.73
70
233.7
243.9
254.6
265.7
277.2
301.4
314.1
327.3
341.0
80
355.1
369.7
384.9
400.6
416.8
433.6
450.9
468.7
487.1
506.1
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