posted by Nikky on .
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