Question

Question #b9650

Answer 1

`7.12xx10^(-19)J` of energy is required.

The H-H bond enthalpy is 432 `kJ.mol^(-1)`

So to find the energy needed to break 1 bond we need to divide by the Avogadro Constant:

`E =(432xx1000)/(6.02xx10^(23))=7.12xx10^(-19)J`