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Comrade · Answer 1 · 2023-06-27T19:58:47+0000

Answer:

The time taken for half of the original population of radioactive atoms to decay is called the half-life. This relationship between half-life, the time period, t1/2, and the decay constant λ is given by t12=0.693λ t 1 2 = 0.693 λ .

Toxantron · Answer 2 · 2023-06-30T07:40:37+0000

Answer: The half-life of a reaction is the time required for the reactant concentration to decrease to one-half its initial value. The half-life of a first-order reaction is a constant that is related to the rate constant for the reaction: t1/2 = 0.693/k.

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