AP Chemistry
5.11 Catalysis
5.6 Reaction Energy Profile
5.1 Reaction Rates
A student tests a powdered substance, \(\text{Z}\), that increases the rate at which residual hydrogen peroxide decomposes in treated water.
\[ 2\text{H}_2\text{O}_2\text{(aq)} \rightarrow 2\text{H}_2\text{O(l)}+\text{O}_2\text{(g)} \]
The student wants to determine whether \(\text{Z}\) acts as a catalyst rather than as a reactant that is consumed. Which additional experimental result would provide the strongest evidence that \(\text{Z}\) is a catalyst?
\[ 2\text{H}_2\text{O}_2\text{(aq)} \rightarrow 2\text{H}_2\text{O(l)}+\text{O}_2\text{(g)} \]
The student wants to determine whether \(\text{Z}\) acts as a catalyst rather than as a reactant that is consumed. Which additional experimental result would provide the strongest evidence that \(\text{Z}\) is a catalyst?
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