AP Chemistry
5.7 Introduction to Reaction Mechanisms
In the upper atmosphere, chlorine atoms catalyze the destruction of stratospheric ozone through the two-step mechanism shown below.
\[\text{Step 1: } \text{Cl(g)} + \text{O}_3\text{(g)} \rightarrow \text{ClO(g)} + \text{O}_2\text{(g)}\]
\[\text{Step 2: } \text{ClO(g)} + \text{O(g)} \rightarrow \text{Cl(g)} + \text{O}_2\text{(g)}\]
Which of the following is the balanced chemical equation for the overall reaction?
\[\text{Step 1: } \text{Cl(g)} + \text{O}_3\text{(g)} \rightarrow \text{ClO(g)} + \text{O}_2\text{(g)}\]
\[\text{Step 2: } \text{ClO(g)} + \text{O(g)} \rightarrow \text{Cl(g)} + \text{O}_2\text{(g)}\]
Which of the following is the balanced chemical equation for the overall reaction?
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