A certain first-order reaction ( A --> B)  is 25% complete in 42 min at     25oC. What is its rate constant? ( Answer in min-1 with 2 sig figs.)

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Q: A certain first-order reaction A ->B is 25% complete in 42 min at 25°C. What is the half-life of the…

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Q: A certain first-order reaction A → B is 25% complete in 42 min at 25°C. What is the half-life of the…

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Q: A certain first-order reaction A B is 25% complete in 42 min at 25°C. What is the half- life of the…

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