60 min 60 QUESTIONS

60% of a first order reaction was completed in 60 min . The time taken for reactants to decompose to half of their original amount will be

A first order reaction is 60% complete in 20 min. How long will the reaction take to be 84% complete?

Find the value of 60 J per min on a system that has 100g, cm and 1 min. as the base units.

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

Choose the correct answer in each of the following questions: If x tan 45^(@)cos60^(@)=sin 60^(@) cot60^(@) " then " x=?

A body cools in 7 min from 60^@C to 40^@C What will be its temperature after the next 7 min? The temperature of surroundings is 10^@C .

Half life of a radioactive substance is 60 min. After 3 hours, the fraction of total number of atoms that have decayed would be