What volume of benzene (C6H6, d= 0.88g/ml, molar mass= 78.11g/mol) is required to produce 1.5x10^3 kJ of heat according to the following reaction?

I just can't figure out what equation to use to solve this. Help, please?

2 answers

What reaction?
The given reaction was:
2C6H6(l)+15O2(g)=12CO2(g)+6H2O(g)
dH rxn= -6278kJ