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The bond energy of H(2(g)) is 436kJ/mole...

The bond energy of `H_(2(g))` is 436kJ/mole. The bond enthalpy of `N_(2(g))` is 941.3 kJ/mole. What is the bond enthalpy of N - H if `NH_3` formation energy is -46.0 kJ/mole ?

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390 kJ/mole
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