What is the half-life of a first-order reaction with a rate constant of 5.40�10?4 s?1?
What is the rate constant of a first-order reaction that takes 520seconds for the reactant concentration to drop to half of its initial value?
A certain first-order reaction has a rate constant of 4.60�10?3 s?1. How long will it take for the reactant concentration to drop to 18 of its initial value?
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