General Chemistry
General Chemistry
4th Edition
ISBN: 9781891389603
Author: Donald A. McQuarrie, Peter A. Rock, Ethan B. Gallogly
Publisher: University Science Books
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Chapter 15, Problem 15.56P
Interpretation Introduction

Interpretation:

The ΔHvap for all noble gases through Trouton’s rule has to be determined.

Concept Introduction:

Molecules of liquid and solid are held together by a force of attraction. The value of enthalpy of vaporization and sublimation reflects the magnitude of force between the molecules. Greater the value of ΔHvap or ΔHsub, greater will be attractive force between the molecules.

If a molecule has hydrogen bonds, it increases it ΔHvap because hydrogen bonds yield ΔHvap of 2040 kJmol–1, approximately.

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