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11-11-2020
Chemistry

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what percent of a sample of a radioactive element whose half life=5.0 years will decay after 25 years?

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11-11-2020

Answer:

Calculate the rate of decay constant for U-238 if its half-life is 4.468 × 109 years. Answer: If the problem is referring to the half-life, then the ratio of = 0.5 because half of the original sample has already undergone decay.

Explanation:

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