The vapour pressure of a pure substance at various temperatures is presented below. T (°C) Pvap (mmHg) 0.0 10.5 15.0 18.6 25.0 26.4 40.0 42.8 60.0 76.2 80.0 127.0 a) Calculate H°vap for this substance. b)What is the substance's normal boiling point?
The vapour pressure of a pure substance at various temperatures is presented below. T (°C) Pvap (mmHg) 0.0 10.5 15.0 18.6 25.0 26.4 40.0 42.8 60.0 76.2 80.0 127.0 a) Calculate H°vap for this substance. b)What is the substance's normal boiling point?
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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The vapour pressure of a pure substance at various temperatures is presented below.
| T (°C) | Pvap (mmHg) |
| 0.0 | 10.5 |
| 15.0 | 18.6 |
| 25.0 | 26.4 |
| 40.0 | 42.8 |
| 60.0 | 76.2 |
| 80.0 | 127.0 |
a) Calculate H°vap for this substance.
b)What is the substance's normal boiling point?
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