What is the rate constant of a first-order reaction that, Chemistry

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What is the rate constant of a first-order reaction that

Half-life equation for first-order reactions: t1/2=0.693/k where t1/2 is the half-life in seconds , and k is the rate constant in inverse seconds .

a.) What is the half-life of a first-order reaction with a rate constant of 8.80×10-4 s-1?

b.) What is the rate constant of a first-order reaction that takes 367 seconds for the reactant concentration to drop to half of its initial value?

c.) A certain first-order reaction has a rate constant of 4.70x10-3 s-1. How long will it take for the reactant concentration to drop to 1/8 of its initial value?

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Chemistry: What is the rate constant of a first-order reaction that

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Chemistry: What is the rate constant of a first-order reaction that

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