Question

Examine the graph and linear regression shown below and choose the answer that is FALSE 12 1 y = -0.0034x +0.9996 R-1 (A) 04 2 so time (s) The units of the rate constant are M/s The initial concentration of the reactant is 1 M The first half-life of the reaction is approximately 150 s The reaction has a half-life that does not depend on the initial concentration of the reactant The value of the rate constant for the reaction is 0.0034

Answer 1

Zero order a-ca-x) a= initial and = final t [A] - [A] (OY) k = t (4) iuitial concentration final concentration (A] kt [Alo- (A [A] = [A]o-kt [A] -kt + [A]o Y = [A] 3 mx tc : Ginen graph is zero order reaction For zero ordeor reaction units of k concentration time 2 K units M/s True al trosec 3) From graph initial concentration that means concentration = IM Initial ich concentrat јои SA t

Half life The time required to decrease the Half concentration of reactant At 0.5M concentration time is 1505 0.5 concentration Half 150s True Half life for raro order reaction [4].-A). (A) = (Alo к xyr (A). ZK the depends on initial concentration of reactant Toxice Ginen option is False [A], [A] t [A. k= 0.003333 2k 5 ) K = 150X2 K = 0.003333 Ginen option is True Angioe. (4th option.