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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...
The letter K is usually used to represent the equilibrium constant for a chemical reaction.All chemical reactions have a value of K associated with them. The equilibrium constant for the dissociation of an acid is known as Ka. The larger the value of Ka, the stronger the acid.Source(s): http://www.shodor.org/unchem/basic/ab/in... http://www.chem.unsw.edu.au/highschool/H...f such a weak acid is HOAc, the ionization is HOAc = H+ + OAc-and Ka= [H+][OAc-]/[HOAc] Ka values range from about 10-2 to 10-14 Greater than 10-2, they are essentially strong acids, and below 10-14, they produce no more [H+] in water than would normally be observed. Source(s): cattbarf Â· 9 years ago. Thumbs up.