A first order reaction is found to have a rate constant `k=7.39xx10^(-5)s^(-1)`. Find the half life of this reaction.

A first order reaction laws on rate constant 1.15xx10^(-3)s^(-1) . How long will 5 g of this reactant take to reduce to 3 g ?

The rate constant of a reaction is 5.8xx10^(-2)s^(-1) . The order of the reaction is

The rate constant of a reaction is 5.8xx10^(-2)s^(-1) . The order of the reaction is

For a first order reaction the rate constant at 500 k is 8xx10^(-4)s^(-1) . Calculate the frequency, if the energy of activation for the reaction is 190 "kJ mol"^(-1) .

In I order reaction the initial concentration of the reactant as 0.05 mole/litre and the rate constant 1.5xx10^(-3)" min"^(-1) . What is the initial rate of the reaction.

Define zero order reaction. Give the unit for its rate constant (k).