Bond strengths are given in units of kilojoules per mole (KJ/mol). given avogadro number 6.022x10²³ molecules/mol and 1 eV=1.602x10⁻¹⁹J, find the binding or dissociation energy in eV/moleculte for Li₂,106 kj/mol; N₂, 945 kj/mol