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A first order reaction takes 25min …

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A first order reaction takes 25min for 25per decomposition calculate t1over2

    • Posted by Anjali Singh 4 years, 1 month ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Gaurav Seth 4 years, 1 month ago

    Given that,

    Time = 25 min

    Percentage = 25 %

    A first order reaction takes 25 minutes for 25% decomposition

    We need to calculate the value of k

    Using formula of k

    Put the value into the formula

    When 75% of the reaction will be completed.

    We need to calculate the value of 

    Using formula for 

    Put the value into the formula

    Hence, The time is 120.5 min.

    0Thank You

    ANSWER
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