2-E, A liquid mixture of 30 mol benzene, 30 mol toluene, and 40 mol water initially at 70°C and 10 total pressure is heated slowly at a constant pressure of 101.3 kPa to 90°C. The vapor generated contact with the remaining liquid. Assuming equilibrium between phases at all times, estimate temperature at which vaporization begins, (b) the composition of the first vapor, (c) the temper. which vaporization is complete, and (d) the composition of the last liquid. Note: Water is ess totally immiscible with benzene and toluene. Each liquid phase contributes to the total vapor p Over the temperature range involved. the vapor pressure of benzene is 2.60 times that of toluene, vapor pressure of water is 1.23 times that of toluene. Vapor pressure of water is: T. °C 70 72 74 76 78 80 82 84 86 88 p, kPa 31.2 36.9 40.1 43.6 47.3 51.3 55.6 60.1 64.9
2-E, A liquid mixture of 30 mol benzene, 30 mol toluene, and 40 mol water initially at 70°C and 10 total pressure is heated slowly at a constant pressure of 101.3 kPa to 90°C. The vapor generated contact with the remaining liquid. Assuming equilibrium between phases at all times, estimate temperature at which vaporization begins, (b) the composition of the first vapor, (c) the temper. which vaporization is complete, and (d) the composition of the last liquid. Note: Water is ess totally immiscible with benzene and toluene. Each liquid phase contributes to the total vapor p Over the temperature range involved. the vapor pressure of benzene is 2.60 times that of toluene, vapor pressure of water is 1.23 times that of toluene. Vapor pressure of water is: T. °C 70 72 74 76 78 80 82 84 86 88 p, kPa 31.2 36.9 40.1 43.6 47.3 51.3 55.6 60.1 64.9
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...
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Transcribed Image Text:2-E, A liquid mixture of 30 mol benzene, 30 mol toluene, and 40 mol water initially at 70°C and 101.3 kPa
total pressure is heated slowly at a constant pressure of 101.3 kPa to 90°C. The vapor generated stays in
contact with the remaining liquid. Assuming equilibrium between phases at all times, estimate (a) the
temperature at which vaporization begins, (b) the composition of the first vapor. (c) the temperature at
which vaporization is complete, and (d) the composition of the last liquid. Note: Water is essentially
totally immiscible with benzene and toluene. Each liquid phase contributes to the total vapor pressure.
Over the temperature range involved, the vapor pressure of benzene is 2.60 times that of toluene, and the
vapor pressure of water is 1.23 times that of toluene. Vapor pressure of water is:
T. °C
70
72
74
76
78
80
82
84
86
88
90
P, kPa
31.2
34.0
36.9
40.1
43.6
47.3
51.3
55.6
60.1
64.9
70.1
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