H2 has equilibrium bond length of 0.751 Å and bond dissociation energy of 432 kJ mol21, whereas F2 has equilibrium bond length of 1.417 Å and bond dissociation energyof 155 kJ mol21. On the same graph show qualitativesketches of the effective potential energy curve Veff for anH2 and an F2 molecule. In your solution, show the conversion from kJ mol21to the energy of a single molecule.1

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