June 08, 2024, 11:12:47 PM
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Topic: London forces  (Read 2824 times)

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Offline hephzi

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London forces
« on: September 01, 2009, 11:22:20 AM »
i don't understand the instantaneous dipoles and induced dipoles, can someone explain me plz :-[

Offline Schrödinger

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Re: London forces
« Reply #1 on: September 01, 2009, 02:03:24 PM »
Think about what will happen when two molecules approach each other. Polarization, etc...
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Offline MrTeo

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Re: London forces
« Reply #2 on: September 01, 2009, 03:20:26 PM »
Considering instantaneous dipoles (as Schrödinger's already given you a hint about induced ones...  ;)) just remember that (especially when the atom is quite big) the electrons moving can create a non-homogeneous charge density, gathering for an instant on a side or on the other...
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Offline adnan

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Re: London forces
« Reply #3 on: September 01, 2009, 11:06:08 PM »
check this. i sure it will help you.

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