A particular reactant decomposes with a half life of 115 s when its initial concentration is .386 M. The same reactant decomposes with a half life of 245 s when its initial concentration is .181 M.What is the value and unit of the rate constant for this reaction?You solved

The rate constant for a second-order reaction is 0.54 M-1s-1. What is the half-life of this reaction if the initial concentration is 0.51 M?Group of answer choices3.6 s1.3 s2.8 s1.1 s0.94 s

The half-life of a sample A (t½ = 100 days) did not change with concentration of A. The half-life of4another sample B (t½ = 120 days) decreases with decrease in concentration of B. If the initialconcentration of both the samples were 1M, what will be their rate constants

A first-order reaction has a half-life of 20 seconds. Calculate the rate constant for this reaction. GIve your answer to 3 decimal places.

A reaction has a rate constant of 3.5 x 10-3 s-1. Calculate the half-life of this reaction. Please give your answer to the nearest second.

The half-life for a zero order reaction having 0.02 M initial concentration of reactant is 100 s. The rate constant (in mol L−1 s−1) for the reaction is