DeltaHvap and b.p. -- Vapour Pressure vs Temperature Data The vapour pressure of a pure substance at various temperatures is presented below. T (°C) Pvap (mmHg) 0.0 13.0 15.0 28.3 25.0 45.6 40.0 88.0 60.0 192.7 80.0 386.2 Calculate H°vap for this substance. 3.40×101 kJ/mol What is the substance's normal boiling point?
DeltaHvap and b.p. -- Vapour Pressure vs Temperature Data The vapour pressure of a pure substance at various temperatures is presented below. T (°C) Pvap (mmHg) 0.0 13.0 15.0 28.3 25.0 45.6 40.0 88.0 60.0 192.7 80.0 386.2 Calculate H°vap for this substance. 3.40×101 kJ/mol 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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DeltaHvap and b.p. -- Vapour Pressure vs Temperature Data
The vapour pressure of a pure substance at various temperatures is presented below.
| T (°C) | Pvap (mmHg) |
| 0.0 | 13.0 |
| 15.0 | 28.3 |
| 25.0 | 45.6 |
| 40.0 | 88.0 |
| 60.0 | 192.7 |
| 80.0 | 386.2 |
Calculate H°vap for this substance.
3.40×101 kJ/mol
What is the substance's normal boiling point?
K
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