Problem: The gas-phase decomposition of ozone is thought to occur by the following two-step mechanism.Step 1: O3(g) ⇌ O2(g) + O(g) (fast)Step 2: O(g) + O3(g) → 2 O2(g) (slow)Write the balanced equation for the overall reaction.

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We're being asked to write the balanced equation for the overall reaction.

For the overall reaction catalysts and intermediates are canceled out:

• catalyst appears as a reactant in the first step and as a product in the last step

• intermediates appear as a product in the first step and as a reactant in the next step

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Problem Details

The gas-phase decomposition of ozone is thought to occur by the following two-step mechanism.

Step 1: O3(g) ⇌ O2(g) + O(g) (fast)
Step 2: O(g) + O3(g) → 2 O2(g) (slow)

Write the balanced equation for the overall reaction.

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