A first order reaction takes 40 minutes for `30%` decomposition. Calculate its half life period.

A first order reaction takes 40 minutes for 20% decomposition. Calculate its half life period.

A first order reaction takes 40minutes for 20% decomposition. Calculate its half life period,

A first order reaction takes 40 minutes for 20% completion. Calculate its half life period.

A first order reaction takes 10 minutes for 25% decomposition. Calculate half life period of the reaction.

A first order reaction takes 40 min for 30% decomposition. Calculate t_(1//2) .

A first order reaction takes 40 mi n for 30% decomposition. Calculate t_(1//2) .