A hypothetical chemical reaction with a single reactant and negligible back reaction is 40.0% complete after 185 s at some fixed temperature if the initial concentration is 0.100 mol L−1. a. If the reaction is first order, find the rate constant and the half-life. b. If the reaction is second order, find the rate constant and the half-life.

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Q: VII.  A possible reaction for the degradation of the pesticide DDT to a less harmful compound was…

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Q: A possible reaction for the degradation of the pesticide DDT to a less harmful compound was…

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A: Reaction given2N2O5 (g)→ 4 NO2(g) + O2(g)k = 6.82 ×10-3 s-1N2O50 =  0.0250 moles / 2 L = 0.0125 M

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Q: half-life

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