Multiple Choice
Calculate the energy change associated with the chemical reaction provided here. State whether it is endothermic or exothermic. [Bond energies (kJ/mol) : H-H: 436; N-H: 391; NΞN 945]
N2 + 3 H2 2 NH3
A) +93.0 kJ/mol, exothermic
B) 1080 kJ/mol, endothermic
C) -1080 kJ/mol, exothermic
D) -93.0 kJ/mol, exothermic
E) -93.0 kJ/mol, endothermic
Correct Answer:

Verified
Correct Answer:
Verified
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