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4E.7

Posted: Thu Jan 30, 2020 9:30 pm
by ayushibanerjee06
For the reaction: CH3CHCH2(g)+ 1H2O(g) -> CH3CH(OH)CH3(g)
I calculated that the bonds formed were: -7(c-h), -1 (c-c), -1(c=c), -2(o-h) and the bonds broken were: 6(c-h) + 2(o-h) + 1(c-c) + 1(c=c). I don't know why this is wrong.

Re: 4E.7

Posted: Thu Jan 30, 2020 9:38 pm
by AArmellini_1I
Thats because you only need to break:
1 O-H (463kJ/mol) and 1 C=C (612kJ/mol)
And you form:
1 C-H -1(412) 1 C-O -1(360kJ/mol) and 1 C-C -1(348kJ/mol)
Add that all up and you get -45kJ/mol