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Reaction Rates Practice Test

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Consider the decomposition of hydrogen peroxide, catalyzed by iodide ions: $$2\text{H}_2\text{O}_2(aq) \xrightarrow{\text{I}^-} 2\text{H}_2\text{O}(l) + \text{O}_2(g)$$

To investigate the effect of reactant concentration on the rate, a student could measure the initial rate of oxygen production while varying which of the following?

Reaction Rates Practice Test

To investigate the effect of reactant concentration on the rate, a student could measure the initial rate of oxygen production while varying which of the following?

An increase in the temperature of a reaction system generally leads to a significant increase in the reaction rate. What is the primary reason for this observation at the particulate level?

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