The kinetics of a gas phase reaction of the form A → Products results in a rate constant of 1.308 M⁻¹ s⁻¹. For this reaction, the initial concentration of A is 0.113 M. What is the half-life for this reaction? What is the concentration of A after 0.385 seconds? At what time would the concentration of A reach 0.042 M?

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Q: half-life

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