Half life period of a first order reaction 15 min. Calculate the rate constant and time for 80% completion of the reaction

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

The half life period for a first order reaction is .......

t_(1//2) of a first order reaction is 15 min . Calculate the time for 80% completion of the reaction . If the initial concentration of the reactant is doubled , calculate the time taken for 80% completion of the reaction Give reasons.

Half - life of a first order reaction is 15 min . Calculate rate constant of the reaction and the time required to complete 80% of the reaction. If the initial concentration of the reactant is doubled , how long will it take to reach 50% completion ? Give reason.

The time for half life of a first order reaction is 1 hr. what is the time taken for 87.5% completion of the reaction?

The half -life of a first order reaction is 40min . Calculate the time taken by the reaction to reach 78% of completion . If the initial concentration of the reactant is doubled , how long will it take to reach 50% completion . Justify your answer.

25% of a first order reaction is completed in 30 min . Find the time required for completion of 50% of the reaction.

The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log 2=0.301)

Half-life of a first order reaction at a given temperature is a 3 min. Calculate the time required for the completion of 3/4 th of the reaction.