Nitrogen oxides are often found in the atmosphere as air pollutants. They do not break down easily as most reactive paths require hydrogen, which is only found in trace amounts in Earth's atmosphere. In the lab we can easily break down the pollutants with just a small input of energy. The understood mechanism for this reaction is: Step 1: 2NO N2O2 Step 2: N202 + H2 → H2O + N2O Step 3: N20 + H2 → H2O + N2 a. Deduce the overall equation for this reaction mechanism. b. Identify and state the reaction intermediates. c. The rate law expression for the reaction was determined to be r =k[NO]². Which step would likely be the rate-determining step? Explain your answer.

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.36PAE: The reaction NO(g) + O,(g) — NO,(g) + 0(g) plays a role in the formation of nitrogen dioxide in...
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Nitrogen oxides are often found in the atmosphere as air pollutants. They do not break
down easily as most reactive paths require hydrogen, which is only found in trace
amounts in Earth's atmosphere. In the lab we can easily break down the pollutants
with just a small input of energy. The understood mechanism for this reaction is:
Step 1: 2NO N202
Step 2: N202 + H2 → H2O + N20
Step 3: N20 + H2 → H20 + N2
a. Deduce the overall equation for this reaction mechanism.
b. Identify and state the reaction intermediates.
c. The rate law expression for the reaction was determined to be r =k[NoP. Which
step would likely be the rate-determining step? Explain your answer.
Transcribed Image Text:Nitrogen oxides are often found in the atmosphere as air pollutants. They do not break down easily as most reactive paths require hydrogen, which is only found in trace amounts in Earth's atmosphere. In the lab we can easily break down the pollutants with just a small input of energy. The understood mechanism for this reaction is: Step 1: 2NO N202 Step 2: N202 + H2 → H2O + N20 Step 3: N20 + H2 → H20 + N2 a. Deduce the overall equation for this reaction mechanism. b. Identify and state the reaction intermediates. c. The rate law expression for the reaction was determined to be r =k[NoP. Which step would likely be the rate-determining step? Explain your answer.
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