The half-life for the first-order conversion of A to B is 2.22 hr. What is the rate constant?

Name: The half-life for the first-order conversion of A to B is 2.22 hr. What is the rate constant?
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Quizplus · Accepted Answer

The rate constant (k) for a first-order reaction is calculated using the formula $k = \frac{0.693}{t_{1/2}}$, where $t_{1/2}$ is the half-life. Substituting $t_{1/2} = 2.22$ hr into the formula gives $k = \frac{0.693}{2.22} \approx 0.312$ hr$^{-1}$.

The Half-Life for the First-Order Conversion of a to B