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November 21, 2014

Homework Help: Chemistry

Posted by Holly on Sunday, August 1, 2010 at 8:46am.

How much heat would be required to convert 234.3 g of solid benzene, C6H6(s), at 5.5 c into benzene vapor, C6H6, at 100 c?
mp of C6H6=5.5c bp of C6H6=80.1 c
mhc C6H6(l)=136J/mol*c
mhc C6H6(g)=81.6J/mol*c
mhfusion at 5.5 c=9.92kJ/mol
mhvaporization at 80.1 c= 30.8kJ/mol

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