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Radioactive decay is a process that follows first-order kinetics. The half-life of 222Rn is 0.01047 years; how long (in hours) would it take for the

Radioactive decay is a process that follows first-order kinetics. The half-life of 222Rn is 0.01047 years; how long (in hours) would it take for the amount of 222Rn to decrease to 51.64% of its initial amount?

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