You have a substance with a half-life of 9 days. How much of it will be left after 36 days?

Question

16-09-2022
Chemistry

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You have a substance with a half-life of 9 days. How much of it will be left after 36 days?

Answer :

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sneakymiguel1 sneakymiguel1 · Answer 1 · 2022-09-16T19:09:13-04:00

Answer:

A half life is the amount of time it takes for half of a mass of a given radioactive element to decay to something else. 36 days is 4 1/2 life cycles, so by running 1/2*4 , we get how much of the original substance would be left. That would be 1/16 of the original substance left.

Explanation:

Of course, this is not always perfect, and can vary. In addition, if less than 16 atoms of the original substance are present, there is instead a 1/16∗a chance of at least one remaining.