Calculate ΔH∘f (in kilojoules per mole) for benzene, C6H6, from the following data:

Question

2C6H6(l)+15O2(g)→12CO2(g)+6H2O(l) ΔH∘ = -6534kJ
ΔH∘f (CO2) = -393.5kJ/mol
ΔH∘f (H2O) = - 285.8kJ/mol

Answer 1

dHorxn = (n*dHo formation) - (n*dHo proucts).