Intermolecular Forces

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Clara Cho 2K
Posts: 103
Joined: Wed Sep 18, 2019 12:18 am

Intermolecular Forces

Postby Clara Cho 2K » Sun Nov 10, 2019 11:32 pm

Can someone explain Van de Waals forces?

Sidharth D 1E
Posts: 98
Joined: Sat Aug 24, 2019 12:17 am

Re: Intermolecular Forces

Postby Sidharth D 1E » Sun Nov 10, 2019 11:34 pm

Van der Waals forces are the dipole-dipole interactions that exist between all molecules due to the natural movement of electrons within each molecule. They are relatively weak interactions, but are increase with a greater number of electrons interacting between the atoms of two separate molecules.

Posts: 101
Joined: Sat Sep 07, 2019 12:16 am

Re: Intermolecular Forces

Postby EvanWang » Sun Nov 10, 2019 11:40 pm

Although nonpolar molecules may have symmetrical electron distributions, there are instances when one area of the molecule is more negative than the other. This fluctuating electron distribution results in fluctuating dipoles. Van der Waals forces are the results of those instantaneous dipoles that result from fleeting asymmetrical electron distribution.

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