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Give the units of the rate constants in terms of the power x in. M^x time-1 for reactions with the following overall orders. a) first order. b) 5/2 order. I know the units for the first order are. Mol L^-1 / s = k(mol L-1). K = s^-1. but in terms of what the question is asking, the x , I don't understand what they want...
Method of Initial Rates. Because we can measure the concentrations in the rate law using the techniques described above, the unknowns we wish to measure are k, p, and q. One method of directly measuring k, p, and q is called the method of initial rates. By measuring the initial rate (the rate near reaction time zero) for a series of reactions with varying concentrations, we can deduce to what power the rate depends on the concentration of each reagent. For example, let's use the method of initial rates to determine the rate law for the following reaction: