# Problem: Given the following reactions N2 (g) + 2O2 (g) → 2NO2 (g)   ΔH = 66.4 kJ 2NO (g) + O2 (g) → 2NO2 (g)  ΔH = -114.2 kJ the enthalpy of the reaction of the nitrogen to produce nitric oxide is ________ kJ.   a) -47.8 b) 47.8 c) 180.6 d) -180.6 e) 90.3

🤓 Based on our data, we think this question is relevant for Professor Bindell's class at UCF.

###### Problem Details

Given the following reactions

N2 (g) + 2O2 (g) → 2NO2 (g)   ΔH = 66.4 kJ

2NO (g) + O2 (g) → 2NO2 (g)  ΔH = -114.2 kJ

the enthalpy of the reaction of the nitrogen to produce nitric oxide is ________ kJ.

a) -47.8

b) 47.8

c) 180.6

d) -180.6

e) 90.3

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.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.