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2. The vapor pressure of an unknown is: Solid: In(P) = 22.4 – 2035 (÷) Liquid: In(P) = 18.4 – 1736 () - where P is in torr and T in K. a) Calculate AvapH,AsubH and AfusH. b) Calculate the pressure and temperature at the triple point (i.e. where all phases coincide).

2. The vapor pressure of an unknown is: Solid: In(P) = 22.4 – 2035 (÷) Liquid: In(P) = 18.4 – 1736 () - where P is in torr and T in K. a) Calculate AvapH,AsubH and AfusH. b) Calculate the pressure and temperature at the triple point (i.e. where all phases coincide).

Chemistry
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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2. The vapor pressure of an unknown is: Solid: \(\ln(P) = 22.4 - 2035 \left(\frac{1}{T}\right)\) Liquid: \(\ln(P) = 18.4 - 1736 \left(\frac{1}{T}\right)\) where \(P\) is in torr and \(T\) in K. a) Calculate \(\Delta_{\text{vap}}H\), \(\Delta_{\text{sub}}H\), and \(\Delta_{\text{fus}}H\). b) Calculate the pressure and temperature at the triple point (i.e., where all phases coincide).
Transcribed Image Text:2. The vapor pressure of an unknown is: Solid: \(\ln(P) = 22.4 - 2035 \left(\frac{1}{T}\right)\) Liquid: \(\ln(P) = 18.4 - 1736 \left(\frac{1}{T}\right)\) where \(P\) is in torr and \(T\) in K. a) Calculate \(\Delta_{\text{vap}}H\), \(\Delta_{\text{sub}}H\), and \(\Delta_{\text{fus}}H\). b) Calculate the pressure and temperature at the triple point (i.e., where all phases coincide).
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