AP Chemistry
5.1 Reaction Rates
A student investigates the decomposition of a reactant, \(\text{A(aq)}\), at a constant temperature according to the balanced equation below.
\[ 2\,\text{A(aq)} \rightarrow \text{B(aq)} + 2\,\text{C(g)} \]
The initial concentration of \(\text{A(aq)}\) is \(0.80\text{ M}\). After \(60\text{ s}\), the concentration of \(\text{A(aq)}\) is measured to be \(0.20\text{ M}\). What is the average rate of disappearance of \(\text{A(aq)}\) over this \(60\text{ s}\) time interval?
\[ 2\,\text{A(aq)} \rightarrow \text{B(aq)} + 2\,\text{C(g)} \]
The initial concentration of \(\text{A(aq)}\) is \(0.80\text{ M}\). After \(60\text{ s}\), the concentration of \(\text{A(aq)}\) is measured to be \(0.20\text{ M}\). What is the average rate of disappearance of \(\text{A(aq)}\) over this \(60\text{ s}\) time interval?
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