Chemistry Practice Problems Reaction Mechanism Practice Problems Solution: The following mechanism has been proposed for the ...

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Solution: The following mechanism has been proposed for the reaction of NO with H2 to form N2O and H2O:NO(g) + NO(g)2 → N2O2 (g)N2 O2 (g) + H2 (g) → N2O(g) + H2O(g)The observed rate law is rate = k[NO]2 [H2 ]. If the proposed mechanism is correct, what can we conclude about the relative speeds of the first and second reactions?

Problem
The following mechanism has been proposed for the reaction of NO with H2 to form N2O and H2O:

NO(g) + NO(g)2 → N2O2 (g)
N2 O2 (g) + H2 (g) → N2O(g) + H2O(g)

The observed rate law is rate = k[NO]2 [H2 ]. If the proposed mechanism is correct, what can we conclude about the relative speeds of the first and second reactions?