Calculate ΔH for the following reaction: N2 + 3H2 → 2NH3.
Average Bond Energies
N≡N, 941 kJ/mol
H-H, 432 KJ/mol
N-H, 391 kJ/mol
What is the total energy required to break the reactant bonds (in both N2 and H2)
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Bond Energy concept. You can view video lessons to learn Bond Energy. Or if you need more Bond Energy practice, you can also practice Bond Energy practice problems.
How long does this problem take to solve?
Our expert Chemistry tutor, Leo took 4 minutes and 46 seconds to solve this problem. You can follow their steps in the video explanation above.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Dixon's class at UCF.