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andriy [413]
3 years ago
7

What statement best describes an independent variable?

Chemistry
1 answer:
Rzqust [24]3 years ago
7 0
The answer is C. The independent variable is the factor that is changed by the experimenter and impacts the dependent variable.
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The half life of plutonium-239 (239pu, pu-239) is 24,100 years. How much plutonium will remain after 1000 years if the initial a
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The mass of plutonium that will remain after 1000 years if the initial amount is 5 g when the half life of plutonium-239 (239pu, pu-239) is 24,100 years is 2.5 g

The equation is Mr=Mi(1/2)^n

where n is the number of half-lives

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To find n, the number of half-lives, divide the total time 1000 by the time of the half-life(24,100)

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  • The half life is the time in which the concentration of a substance decreases to half of the initial value.

Learn more about half life at:

brainly.com/question/24710827

#SPJ4

8 0
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