Half life period of a first order reaction is 10 minutes. Starting with 10 M, rate after 20 minutes is

The half life period of a first order reaction is 10 minutes. Then its rate constant is

The half life period of a first order reaction is 10 minutes. Then its rate constant is

The half life period of a first order reaction is 10 minutes. Then its rate constant is

The half life period of a first order reaction is 10 minutes. Then its rate constant is

The half-life period of a first order reaction is 60 minutes. What percentage will be left after 240 minutes ?

The half-life period of a first order reaction is 60 min. What percentage will be left after 120 minutes?

The half-life period of a first order reaction is 10 minutes. Starting with initial concentration 12 M, the rate after 20 minutes is

The half-life period of a first order reaction is 10 minutes. Starting with initial concentration 12 M, the rate after 20 minutes is