The reaction A → B follows first order kinetics. The time taken for 0.8 mole of A to produce 0.6 mole of B is 1 h. What is the time taken for the conversion of 0.9 mole of A to 0.675 mole of B?

When a biochemical reaction is carried out in laboratory from outside of human body in the absence of enzyme, the rate of reaction obtained is 10^-6 times, then activation energy of the reaction in the presence of enzyme is

The activation energy for a simple chemical reaction A → B is E_α in forward direction. The activation energy for reverse reaction is _______________

The branch of chemistry which deals with the study of reaction rates and their mechanisms are called_______________

If 60% of a first order reaction was completed in 60 mins, 50% of the same reaction would be completed approximately in ______________.

(log 4 = 0.60, log 5 = 0.69)

For the reaction

           2 A + B → 3C + D

Which of the following does not express the reaction rate?

For exothermic reaction, the energy of activation of the reactants is

For a first-order reaction, the half-life period is independent of

The sum of powers of the concentration of the reactants in the rate law expression is called _________of that chemical reaction.

Activation energy of a chemical reaction can be determined by