The following table gives the values of the Keesom (interaction between molecules with permanent dipole moments) and London (interaction between instant dipoles and induced dipoles) contributions to Van der Waals interactions between identical molecules in a sample of four pure compounds: argon (Z = 18), methane, ammonia and water. %3D Species Ar CH4 NH3 OH2 Keesom / J.mol-1 2130 12040 London / J.mol-1 550 1500 3570 4190 1. Propose an interpretation for each of the results: a) there is no Keesom contribution for methane but there is some for ammonia b) there is a London contribution for argon.

The following table gives the values of the Keesom (interaction between molecules with permanent dipole moments) and London (interaction between instant dipoles and induced dipoles) contributions to Van der Waals interactions between identical molecules in a sample of four pure compounds: argon (Z = 18), methane, ammonia and water. %3D Species Ar CH4 NH3 OH2 Keesom / J.mol-1 2130 12040 London / J.mol-1 550 1500 3570 4190 1. Propose an interpretation for each of the results: a) there is no Keesom contribution for methane but there is some for ammonia b) there is a London contribution for argon.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter15: Gases,liquids, And Solids

Section: Chapter Questions

Problem 26E

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