The vapour pressure of a pure substance at various temperatures is presented below. T (°C) Pvap (mmHg) 0.0 13.5 15.0 25.1 25.0 36.6 40.0 61.7 60.0 115.0 80.0 199.7 Calculate AH° for this substance. vap 2.70x101 kJ/mol cf Zumdahl "Chemical Principles" 8th ed. Sec. 16.10 "Vapor Pressure and Changes of State", esp. pp689-691. You are correct. Your receipt no, is 160-1166 0 Previous Tries What is the substance's normal boiling point? K The normal boiling point is the temperature at which the vapour pressure equals one atmosphere. You will need to extrapolate or interpolate.
The vapour pressure of a pure substance at various temperatures is presented below. T (°C) Pvap (mmHg) 0.0 13.5 15.0 25.1 25.0 36.6 40.0 61.7 60.0 115.0 80.0 199.7 Calculate AH° for this substance. vap 2.70x101 kJ/mol cf Zumdahl "Chemical Principles" 8th ed. Sec. 16.10 "Vapor Pressure and Changes of State", esp. pp689-691. You are correct. Your receipt no, is 160-1166 0 Previous Tries What is the substance's normal boiling point? K The normal boiling point is the temperature at which the vapour pressure equals one atmosphere. You will need to extrapolate or interpolate.
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
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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:The vapour pressure of a pure substance at various temperatures is presented below.
T (°C)
Pvap (mmHg)
0.0
13.5
15.0
25.1
25.0
36.6
40.0
61.7
60.0
115.0
80.0
199.7
Calculate AH°,
for this substance.
vap
2.70x101 kJ/mol
cf Zumdahl "Chemical Principles" 8th ed. Sec. 16.10 "Vapor Pressure and Changes of State", esp. pp689-691.
You are correct.
Your receipt no. is 160-1166 O
Previous Tries
What is the substance's normal boiling point?
K
The normal boiling point is the temperature at which the vapour pressure equals one atmosphere. You will need to extrapolate or interpolate.
1nto
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