Decay constant of `.^197Hg` is 0.017 `h^(-1)`.What is its half life?

65% of .^111In sample decays in 4.2 d.What is it half life?

0.5 g Sample of .^201TI decays to 0.07888 g in 8 days.What is its half life?

The rate constant for a first order reaction is 7.0xx10^(-4) s^(-1) . If initial concentration of reactant is 0.080 M, what is the half life of reaction ?

A 3//4 of the original amount of radioisotope decays in 60 minutes.What is its half life?

If the half-life period of a zero order reaction with initial concentration 0.1 M is 32.4 min. What will be the half-life when the concentration is 0.5 M?

Write relation between decay constant of a radioelement and its half life.

A 1^(st) order reaction has specific rate constant of 2 min ^(-1) The half - life of this reaction will be ______.