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AP Chemistry
5.3 Concentration Changes Over Time
BeginnerMCQGraphicalConceptual13.2k
Plot of \(\ln[\text{XY}]\) versus time for the decomposition of \(\text{XY(g)}\).
Plot of \(\ln[\text{XY}]\) versus time for the decomposition of \(\text{XY(g)}\).
A student investigates the kinetics of the decomposition of \(\text{XY(g)}\) at \(300\text{ K}\), as represented by the equation below.

\[ 2\,\text{XY(g)} \rightarrow \text{X}_2\text{(g)} + \text{Y}_2\text{(g)} \]

The student measures the concentration of \(\text{XY(g)}\) at regular time intervals and creates the graph shown.

Based on the graph, which of the following is the rate law for the reaction?

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