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In a first order reaction A → products, 60% of the given sample of A decomposes in 40 min. what is the half life of the reaction?

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In a first order reaction A → products, 60% of the given sample of A decomposes in 40 min. what is the half life of the reaction?

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k = 0.0575 (0.3979) ⇒ k = 0.02287 min-1

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