# Problem: You may want to reference (Pages 183 - 186)Section 5.6 while completing this problem.Calculate ΔH for 2 NO(g) + O2(g) → N2O4(g) using the following information:N2O4(g) →2 NO2(g) ; ΔH= +57.9 kJ 2 NO(g) + O2(g) → 2 NO2(g) ; ΔH -113.1 kJ

###### FREE Expert Solution

(1) N2O4(g) →2 NO2(g)                  ΔH= +57.9 kJ

(2) 2 NO(g) + O2(g) → 2 NO2(g)   ΔH -113.1 kJ

We shall modify the given reactions to arrive at the overall reaction. Any modification to the reaction is reflected in the value of ΔH for the reaction.

84% (463 ratings) ###### Problem Details

You may want to reference (Pages 183 - 186)Section 5.6 while completing this problem.

Calculate ΔH for 2 NO(g) + O2(g) → N2O4(g) using the following information:

N2O4(g) →2 NO2(g) ; ΔH= +57.9 kJ

2 NO(g) + O2(g) → 2 NO2(g) ; ΔH -113.1 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.