Chemistry: After decaying for 48 hours,1/16 of the original mass of a radioisotope sample remains unchanged. what is the half-life of this radioisotope?

After decaying for 48 hours,1/16 of the original

Ответ:

Abbymay17

30.12.2021

Half-life is the period in which radioisotope sample halves it's mass.
If 1/16 of the sample remains it means that there were 4 half-life periods (16=2⁴)
4 half-life periods = 48 hours /4
half-life period = 12 hours

Hope it helped :)

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Ответ:

zitterkoph

16.03.2022

Chemistry

D. Giant

A main sequence star grows to many times its size after consuming all of its Hydrogen.

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After decaying for 48 hours,1/16 of the original mass of a radioisotope sample remains unchanged. what is the half-life of this radioisotope?

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