Entropy Video Lessons

Concept

# Problem: Nitric oxides, NO and NO2, contribute to air pollution, acid rain, and the depletion of the ozone layer. After NO forms in the combustion chamber of an automobile engine, it reacts further with oxygen to form NO2. The reaction is given by2NO(g) + O2(g) → 2NO2(g)Calculate ΔSrxn∘ for the reaction.

###### FREE Expert Solution
79% (106 ratings)
###### Problem Details

Nitric oxides, NO and NO2, contribute to air pollution, acid rain, and the depletion of the ozone layer. After NO forms in the combustion chamber of an automobile engine, it reacts further with oxygen to form NO2. The reaction is given by

2NO(g+ O2(g→ 2NO2(g)

Calculate ΔSrxn∘ for the reaction.

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 Entropy concept. You can view video lessons to learn Entropy. Or if you need more Entropy practice, you can also practice Entropy practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofNitric oxides, NO and NO2, contribute to air pollution, acid...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 3 minutes and 24 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 Burand's class at OREGONSTATE.