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
Correct Answer:
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