2. Consider this two step mechanism for a reaction... NO3 + 0₂ N₂O5 Step 1 NO₂ +03 Step 2 NO3 + NO₂- slow; rate determining step fast

Chemistry: The Molecular Science
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Chapter11: Chemical Kinetics: Rates Of Reactions
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Problem 118QRT
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2. Consider this two step mechanism for a reaction...
Step 1 NO₂ + 03
NO3 + 0₂
Step 2
NO3 + NO₂
a. What is the overall reaction?
→ N₂O5
slow; rate determining step
fast
b. Identify the intermediates in the mechanism.
c. Write the rate law expression for each step of the mechanism including any reversible
reactions.
c. What is the predicted rate law expression? Be sure to only list reactants from the
overall equation and not intermediates in the rate law expression.
Transcribed Image Text:2. Consider this two step mechanism for a reaction... Step 1 NO₂ + 03 NO3 + 0₂ Step 2 NO3 + NO₂ a. What is the overall reaction? → N₂O5 slow; rate determining step fast b. Identify the intermediates in the mechanism. c. Write the rate law expression for each step of the mechanism including any reversible reactions. c. What is the predicted rate law expression? Be sure to only list reactants from the overall equation and not intermediates in the rate law expression.
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