# Problem: The decomposition of XY is second order in XY and has a rate constant of 7.02×10−3 M-1 s-1 at a certain temperature. What is the half-life for this reaction at an initial concentration of 0.100 M?

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The decomposition of XY is second order in XY and has a rate constant of 7.02×10−3 M-1 s-1 at a certain temperature. What is the half-life for this reaction at an initial concentration of 0.100 M?