In the lower troposphere, ozone is one of the components ofphotochemical smog. I

Question

In the lower troposphere, ozone is one of the components ofphotochemical smog. It is generated in air when nitrogen dioxide,formed by the oxidation of nitrogen monoxide from car exhaust,reacts by the following mechanism:
(1) NO2 (g) NO (g) + O(g) (2) O(g) + O2 (g) O3(g)
Determine the rate law for each of these elementarysteps.
Step 1 Step 2 Rate1 =k1_______________ Rate1 =k2____________________
The answers I got: Step 1: [NO2][O2]
Step 2:[NO][O3]

But it said they were wrong.
(1) NO2 (g) NO (g) + O(g) (2) O(g) + O2 (g) O3(g)
Determine the rate law for each of these elementarysteps.
Step 1 Step 2 Rate1 =k1_______________ Rate1 =k2____________________
The answers I got: Step 1: [NO2][O2]
Step 2:[NO][O3]

But it said they were wrong.

Explanation / Answer

        (1) NO2(g) NO (g) + O(g)         Rate = k1[NO2]         (2) O(g)+ O2 (g) O3(g)          Rate = k2 [O][O2]

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