Problem: Use the bond energies listed below to estimate the enthalpy of formation of ammonia, NH3(g)N≡N (946 kJ/mol), N-H (389 kJ/mol), H-H (436 kJ/mol),a) 302 kJb) - 215 kJc) 543 kJ d) -80 kJe) -40 kJ

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We are asked to use the bond energies listed to estimate the enthalpy of formation of ammonia, NH3(g)

We are going to use the formula below

H°rxn=Hbond reactants-Hbond products


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Problem Details

Use the bond energies listed below to estimate the enthalpy of formation of ammonia, NH3(g)

N≡N (946 kJ/mol), N-H (389 kJ/mol), H-H (436 kJ/mol),

a) 302 kJ

b) - 215 kJ

c) 543 kJ 

d) -80 kJ

e) -40 kJ

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