Kinetic data for the decomposition of Cl2O2 to ClO are summarized in the following table. Cl2O2(g) --> 2 ClO(g) time (microseconds) [Cl2O2] (M) 0 6.60x10^-8 172 5.68x10^-8 345 4.89x10^-8 517 4.21x10^-8 690 3.62x10^-8 862 3.12x10^-8 A) Determine the value of the first-order rate constant. Answer units are microseconds^-1 or (us^-1). B) Determine the half-life for the decomposition of Cl2O2.