Given the Bond Enthalpies N≡N (946), H-H (436), H-N (389)

Multiple Choice

Given the bond enthalpies N≡N (946) , H-H (436) , H-N (389) , all in kJ/mol, estimate ΔH for the following reaction: N₂(g) + 3 H₂(g) → 2NH₃(g) .

A) -215 kJ
B) -863 kJ
C) -80 kJ
D) 568 kJ
E) -1476 kJ