A substance 'A' decomposes by a first order reaction starting initially with `[A]= 2.00M` and after 200 min, [A] becomes `0.15M`. For this reaction, `t1//2` is

A subtance 'A' decomposes by a first-order reaction starting initially with [A] = 2.00 m and after 200 min [A] = 0.15 m . For this reaction what is the value of k

A subtance 'A' decomposes by a first-order reaction starting initially with [A] = 2.00 m and after 200 min [A] = 0.15 m . For this reaction what is the value of k

T_(50) of first order reaction is 10 min. starting with 10 "mol"^(-1) rate after 20 min is :

A substance X decomposes in a second-order reaction. A solution that is initially 1.00 M in X requires 0.50 h for its concentration to decrease to 0.50 M . How much time will it take for a solution of X to decrease in concentration from 1.00 M to 0.25 M?

Half-life period of a first order reaction is 10 min. Starting with initial concentration 12 M, the rate after 20 min is