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: Watcer is cssentially totally immiscible with benzene and toluene. Each liquid phase contributes to the total vapor pressure. Over the temperature range involved, the vapor prcssure of benzene is 2.60 times that of tolucne, and the vapor pressure of water is 123 times that of toluene. Vapor pressure of water is: T. C 70 | 72 | 74 | 76 78 80 82 84 | 86 90 88 P. kPa 31.2 34.0 36.9 40.1 43.6 47.3 51.3 55.6 60.1 70.1

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: Watcer is cssentially totally immiscible with benzene and toluene. Each liquid phase contributes to the total vapor pressure. Over the temperature range involved, the vapor prcssure of benzene is 2.60 times that of tolucne, and the vapor pressure of water is 123 times that of toluene. Vapor pressure of water is: T. C 70 | 72 | 74 | 76 78 80 82 84 | 86 90 88 P. kPa 31.2 34.0 36.9 40.1 43.6 47.3 51.3 55.6 60.1 70.1

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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