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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...
Report Abuse. 1. Calculate the value of K (rate constant) when A = 3.4 x 1010 per second, E = 150 Kj per mole and the temperature is 850ÂºC. Hence find the time required to destroy 95% of the substance.Remember convert kilo-joules to joules and temperature (Celsius) to Kelvin.E: Find the value of the rate constant.? The rate of the reaction was studied at a certain temperature. O(g) + NO2(g) --&gt; NO(g) + O2(g) (a) In the first set of experiments, NO2 was in large excess, at a concentration of 1.0 * 10^ 13 molecules/cm3 with the following data collected.