The half-life of a nuclear species` ''^NX` is 3.2 days calculate its:Average life

The half-life of a nuclear species ''^NX is 3.2 days calculate its:decay constant

The half life of a first order reaction is 0.5 min. Calculate time needed for the reactant to reduce to 20% and the amount decomposed in 55s.

Define half-life period.

The half life of a first order reaction is 900 min at 820 K.Estimate its half life at 720 K if the energy of activation of the reaction is 250 kJ mol^(-1)

The half life of tritium is about_______

If the half life of radium is 1620 years then its decay constant is

The half-life period of any first order reaction: