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Homework Help: Physical Chemistry

Posted by VybzMachine on Wednesday, March 14, 2012 at 12:03am.

Estimate the heat of the formation of each of the following molecules useing the bond dissociation energies provided (in KJ/mol)
(a) NH3 (b) H2O (C) H2O2

D(NN)=944; D(H-H)=436; D(OO)=498; D(O-O)= 142; D(N-N)=391; D(O-H)=464
NB>all the brackets are foot note

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