Number 4

Number 4 - Thus J x m x e e r q q E 19 10 2 1 10 5 10 82 2 4 78 78 4-= Π-= Π-= ε The energy for this to happen is positive because it requires

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4. We are trying to find the energy of this reaction: KBr --> K + Br - R=2.82 Angstroms Because the ionic compound KBr is not dissociating into neutral atoms, but just to their ionic components, the only energy that this is going to have to overcome, is the attractive energy between these two charged components.
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Unformatted text preview: Thus, J x m x e e r q q E 19 10 2 1 10 . 5 ) 10 82 . 2 ( 4 ) 78 . )( 78 . ( 4--= Π--= Π-= ε The energy for this to happen is positive, because it requires energy for this ionic compound to dissociate....
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This note was uploaded on 04/02/2008 for the course CHEM 20A taught by Professor Scerri during the Spring '05 term at UCLA.

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