39) What are the units of k in the following rate law? Rate = K[X][Y]1/2 40) What are the units of k in the following rate law? Rate = k[X]2 41) What is the overall order of the following reaction, given the rate law? X + 2Y → 42 Rate = k[X][Y] A) 3rd order B) 5th order C) 2nd order D) 1st order E) 6th order 42) What is the overall order of the following reaction, given the rate law? 2X + 3Y → 22 Rate = k[X] [Y]2 A) 3rd order B) 5th order C) 2nd order D) Ist order E) Oth order 43) What is the overall order of the following reaction, given the rate law? 2 NO(g) + H2(g) → N2(g) + 2 H2O(g) Rate = k[NO]2[H2] A) 1st order B) 2nd order C) 3rd order D) 4th order E) Oth order