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31 August, 14:38

Which of the following are second-order reactions? a. C2H6 → 2 CH3 b. 2 N2O5 → 4 NO2 + O2 c. 2 HI → H2 + I2 d. 2 N2O → 2 N2 + O2 e. 2 NO2 → 2 NO + O2

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  1. 31 August, 15:02
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    The answer is b, c, d, e

    Explanation:

    b. 2 N2O5 → 4 NO2 + O2

    r = k [N2O5]^2 - -> Second-order regarding global reaction

    c. 2 HI → H2 + I2

    r = k [HI]^2 - -> Second-order regarding global reaction

    d. 2 N2O → 2 N2 + O2

    r = k [N2O]^2 - -> Second-order regarding global reaction

    e. 2 NO2 → 2 NO + O2

    r = k [NO2]^2 - -> Second-order regarding global reaction
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