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3 April, 07:10

The rate constant for the first-order decomposition at 45 °C of dinitrogen pentoxide, N2O5, dissolved in chloroform, CHCl3, is 6.2 * 10-4 min-1. 2N2O5 ⟶ 4NO2+O2 What is the rate of the reaction when [N2O5] = 0.40 M

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  1. 3 April, 07:15
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    Rate of the reaction = 9.92 * 10^-5 M² min-1

    Explanation:

    Using the equation of reaction

    2N2O5 ⟶ 4NO2+O2

    Rate = k[N2O5]²

    From the question k = 6.2*10-4

    [N2O5] = 0.4

    Rate = 6.2*10-4[0.4]² = 9.92*10-5M² min-1
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