Calculate the enthalpy of the reaction
2NO(g) + O2(g) → 2NO2(g)
given the following reactions and enthalpies of formation:
12N2(g) + O2(g) → NO2(g), ΔH∘A = 33.2 kJ
12N2(g) + 1/2 O2(g) → NO(g), ΔH∘B = 90.2 kJ
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 Hess's Law concept. You can view video lessons to learn Hess's Law. Or if you need more Hess's Law practice, you can also practice Hess's Law practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofCalculate the enthalpy of the reaction2NO(g) + O2(g) → 2NO2(...as medium difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Dasha took 6 minutes and 28 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 Atwood's class at UB.