The half-life of a pesticide determines its persistence in the environment. A common pesticide degrades in a first-order process with a half-life of 6 days. What fraction (in decimal notation) of the pesticide remains in the environment after 20 days? Enter to 4 decimal places.

Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.43PAE: As with any drug, aspirin (acetylsalicylic acid) must remain in the bloodstream long enough to be...
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The half-life of a pesticide determines its persistence in the environment. A common pesticide
degrades in a first-order process with a half-life of 6 days. What fraction (in decimal notation) of the
pesticide remains in the environment after 20 days? Enter to 4 decimal places.
Transcribed Image Text:The half-life of a pesticide determines its persistence in the environment. A common pesticide degrades in a first-order process with a half-life of 6 days. What fraction (in decimal notation) of the pesticide remains in the environment after 20 days? Enter to 4 decimal places.
Expert Solution
Step 1

Given : Half life of pesticide = 6 days.

Order of reaction = 1st order 

And the time passed = 20 days.

 

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