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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...
Kinetics Of A Reaction - Calculating Activation Energy. The rate constant of a reaction can be expressed as. k = Ae-Ea/RT. which is called the Arrhenius equation. Taking the natural log of both sides of the Arrhenius equation gives. ln k = -Ea/R(1/T) + ln A. The equation above is of the form y = mx + b, where y = ln k, m = -Ea/RT, x = 1/T, and b = ln A. For a reaction whose rate constant obeys the Arrhenius equation, a plot of ln k vs 1/T gives a straight line and it's slope can be used to determine Ea.