1-Butanol and chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of 1-butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures: T/K 405 396.57 393.94 391.60 390.15 389.03 388.66 388.57 x 0 0.1065 0.1700 0.2646 0.3687 0.5017 0.6091 0.7171 y 0 0.2859 0.3691 0.4505 0.5138 0.5840 0.6409 0.7070 Pure chlorobenzene boils at 404.86 K. Construct the chlorobenzene-rich portion of the phase diagram from the data. Estimate the temperature at which a solution whose mole fraction of 1-butanol is 0.300 begins to boil. State the compositions and relative proportions of the two phases present after a solution initially 0.300 1-butanol is heated to 393.94 K.
1-Butanol and chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of 1-butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures: T/K 405 396.57 393.94 391.60 390.15 389.03 388.66 388.57 x 0 0.1065 0.1700 0.2646 0.3687 0.5017 0.6091 0.7171 y 0 0.2859 0.3691 0.4505 0.5138 0.5840 0.6409 0.7070 Pure chlorobenzene boils at 404.86 K. Construct the chlorobenzene-rich portion of the phase diagram from the data. Estimate the temperature at which a solution whose mole fraction of 1-butanol is 0.300 begins to boil. State the compositions and relative proportions of the two phases present after a solution initially 0.300 1-butanol is heated to 393.94 K.
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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1-Butanol and chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of 1-butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures:
|
T/K |
405 |
396.57 |
393.94 |
391.60 |
390.15 |
389.03 |
388.66 |
388.57 |
|
x |
0 |
0.1065 |
0.1700 |
0.2646 |
0.3687 |
0.5017 |
0.6091 |
0.7171 |
|
y |
0 |
0.2859 |
0.3691 |
0.4505 |
0.5138 |
0.5840 |
0.6409 |
0.7070 |
Pure chlorobenzene boils at 404.86 K.
- Construct the chlorobenzene-rich portion of the phase diagram from the data.
- Estimate the temperature at which a solution whose mole fraction of 1-butanol is 0.300 begins to boil.
- State the compositions and relative proportions of the two phases present after a solution initially 0.300 1-butanol is heated to 393.94 K.
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