A particular reactant decomposes with a half-life of 167 s when its initial concentration is 0.325 M. The same reactant decomposes with a half-life of 205 s when its initial concentration is 0.265 M. Determine the reaction order. 2 O1 What is the value and units of the rate constant for this reaction? Units k = M-2-s-1 M-1 . s-1 M ·s-!

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