Friday
November 28, 2014

Homework Help: Chemistry

Posted by Nikky on Wednesday, November 10, 2010 at 4:20pm.

What mass of benzene(C6H6, molar mass=78.11g/mol) is required to produce 1500 kJ of heat according to the following reaction?

2C6H6(l)+15O2(g) -> 12CO2(g) +6H2O(g)
delta H= -6278

I must have tried this so many times. Can you please show me how this is done. Thanks

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