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2SO(2) + O(2) underset(k(2))overset(k(1)...

`2SO_(2) + O_(2) underset(k_(2))overset(k_(1))hArr 2SO_(3)`
What are the expresison for the rate law of the forward and backward reactions?

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Rate of forward reaction, `R_(f) = k_(1)[SO_(2)]^(2)[O_(2)]`
Rate of backward reaction, `R_(b) = k_(2)[SO_(3)]^(2)`
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