In the first-order, reaction A → products, [A] = 0.400 M initially and 0.250 M after 15.0 min, what is the value of the rate constant, k?

Name: In the first-order, reaction A → products, [A] = 0.400 M initially and 0.250 M after 15.0 min, what is the value of the rate constant, k?
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Question

Quizplus · Accepted Answer

For a first-order reaction, the rate constant k can be calculated using the formula: k = (1/t) * ln([A]₀/[A]t). Substituting the given values: k = (1/15.0 min) * ln(0.400/0.250) = 0.0313 min⁻¹.

In the First-Order, Reaction a → Products, [A] = 0