anonymous
  • anonymous
After 62.0 min, 33.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
for a first order reaction, the half life = (ln2)/k. In order to find half life, we need to find the rate constant, k the equation for a first oreder reaction, ln[A] = ln[A]o -kt at time t= 62 min, [A] = 67% [A]o or 0.67[A]o Subs these value into the equation to find the k's value. After getting the value of k then use the half life equation for first order to find the half life.

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