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16 Jun 2020

A first-order reaction is 75.0% complete in 320. s. What is the half-life for this reaction?

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Solve problems relating to zero-, first-, and second-order reactions

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What are the first and second half-lives for a first-order reaction which is 75.0% complete in 320. s?

pucegerbil398

A first-order reaction is 75.0% complete in 320. s.

a. What are the first and second half-lives for this reaction?

b. How long does it take for 90.0 % completion?

pucegerbil398

The mechanism of a reaction A â B is investigated. At the beginning of the reaction, the concentration of A is 1.85âââ10^â3M. After 75.0 s, the concentration of A is 4.61âââ10^â5M. Using the integrated rate laws, calculate the half-life of the reaction at 75.0 s for the following conditions.

(a) The reaction is first order in A.

(b) The reaction is second order in A.

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A first-order reaction is 75.0% complete in 320. s. What is the half-life for this reaction?

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