Using the following bond energies, calculate the molar heat of hydrogenation, ΔHhydrogenation, for the conversion of C2H2 to C2H6

CH (triple bond) CH (g) + 2H2 (g) --> CH3CH3 (g)

1 answer

dHrxn = [BE reactants] = [BE products]

Here is tutorial
http://www.kentchemistry.com/links/Kinetics/BondEnergy.htm

Post your work if you get stuck.