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crystalrc3414
15.11.2019 •
Chemistry
Acertain radioisotope has a half-life of 8.0 hours; how much of a 192 g sample of this radioisotope would decay after a full day?
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Ответ:
167.9895 grams sample of this radioisotope would decay after a full day.
Explanation:
N = Amount of radioisotope left after time t.
We have:
t = 1 day = 24 hour
N = 24.0105 g
24.0105 grams of radioisotope will remain after 1 whole day.
Amount of radioisotope decayed =![N_o-N=192 g- 24.0105 g=167.9895 g](/tpl/images/0376/0657/36985.png)
167.9895 grams sample of this radioisotope would decay after a full day.
Ответ:
Synthesis or a combination reaction. Two of the reactants form one final product in the end.