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

FREE Expert Solution
  • We will be using the first order equation where:

  • Calculate k for this problem by plugging in the [A]t , [A]0 and t
  • The k calculated can be used to get the first half life.

  • Second half life will be double of the first half life
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Problem Details

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

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