AP Chemistry
5.5 Collision Model
5.1 Reaction Rates
A student investigates the combustion of carbon according to the balanced equation below.
\[ \text{C}(s) + \text{O}_2(g) \rightarrow \text{CO}_2(g) \]
The student measures the initial rate of reaction for a single \(10.0 \text{ g}\) solid cube of carbon in excess \(\text{O}_2(g)\) at \(298 \text{ K}\) and \(1.0 \text{ atm}\). The student then repeats the experiment using \(10.0 \text{ g}\) of finely powdered carbon under the exact same conditions. Which of the following statements best predicts and explains the initial rate of reaction for the powdered carbon compared to the solid cube?
\[ \text{C}(s) + \text{O}_2(g) \rightarrow \text{CO}_2(g) \]
The student measures the initial rate of reaction for a single \(10.0 \text{ g}\) solid cube of carbon in excess \(\text{O}_2(g)\) at \(298 \text{ K}\) and \(1.0 \text{ atm}\). The student then repeats the experiment using \(10.0 \text{ g}\) of finely powdered carbon under the exact same conditions. Which of the following statements best predicts and explains the initial rate of reaction for the powdered carbon compared to the solid cube?
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