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Chemistry

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a certain first order decomposition reaction has a half-life of 15.0 minutes. What is the rate constant for this reaction?

what is the time it will take for the reaction to reach the 10% completion point?

  • Chemistry - ,

    k = 0.693/t1/2

    ln(No/N) = kt
    No = 100
    N = 90
    k from above.
    Solve for t.

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