In this lab, you will determine the vapour pressure (P) of water at various temperatures and use this data to find its enthalpy of vaporization (AvapH). More generally, for an unknown liquid: if a plot of In P vs. 1/T gives a slope of -7517 K, what is its AvapH in kJ/mol? Do not worry about how realistic the value is. Assume R = 8.314 J mol-¹ K-¹. Answer:

In this lab, you will determine the vapour pressure (P) of water at various temperatures and use this data to find its enthalpy of vaporization (AvapH). More generally, for an unknown liquid: if a plot of In P vs. 1/T gives a slope of -7517 K, what is its AvapH in kJ/mol? Do not worry about how realistic the value is. Assume R = 8.314 J mol-¹ K-¹. Answer:

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter14: Chemical Equilibrium

Section: Chapter Questions

Problem 68P

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