AP Chemistry
5.2 Introduction to Rate Law
5.1 Reaction Rates
The kinetics of the reaction between nitrogen monoxide gas and oxygen gas were investigated at \(298\text{ K}\):
\[2\text{NO(g)} + \text{O}_2\text{(g)} \rightarrow 2\text{NO}_2\text{(g)}\]
Initial rate data were collected across three experimental trials and recorded in the table below.
Based on the data in the table, which of the following is the correct rate law and specific rate constant, \(k\), for the reaction?
\[2\text{NO(g)} + \text{O}_2\text{(g)} \rightarrow 2\text{NO}_2\text{(g)}\]
Initial rate data were collected across three experimental trials and recorded in the table below.
| Trial | \([\text{NO}]_0\text{ (M)}\) | \([\text{O}_2]_0\text{ (M)}\) | Initial rate of reaction \(\text{(M}\cdot\text{s}^{-1}\text{)}\) |
|---|---|---|---|
| 1 | \(0.10\) | \(0.10\) | \(2.0 \times 10^{-3}\) |
| 2 | \(0.20\) | \(0.10\) | \(8.0 \times 10^{-3}\) |
| 3 | \(0.30\) | \(0.20\) | \(3.6 \times 10^{-2}\) |
Based on the data in the table, which of the following is the correct rate law and specific rate constant, \(k\), for the reaction?
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