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  3. 1) for a first-order reaction, after 230s, 33% of

1) For a first-order reaction, after 230s, 33% of the reactants remain. Calculate the rate constant...

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Chemistry

1) For a first-order reaction, after 230s, 33% of the reactantsremain. Calculate the rate constant for the reaction.

2) A compound decomposes with a half-life of 80s and thehalf-life is independent of the concentration. How long does ittake for the concentration to decrease to one-ninth of its initialvalue?

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