A first order reaction has a rate constant `1.15xx10^(-3)s^(-1)`. How long will 5 g of this reactant take to reduce to 3 g?

The rate constant of a first order reaction is 231 xx 10^(-5)- s^(-1) How long will 4 g of this reactant reduce to 2 g?

A first order reaction is found to have a rate constant, k=5.5xx10^(-4)s^(-1) .Find out the half-life of the reaction.

A first order reaction has rate constant of 10^(-2) (sec)^(-1) . Calculate the half life period for this reaction.

The reaction A(g) rarr B(g) + 2C(g) is a first order reaction with rate constant 2.772 xx 10^(-3) S^(-1) . Starting with 0.1 mole of A in 2 litre vessel, find the concentration of A after 250 sec when the reaction is allowed to take place at constant pressrue at 300 K.

A first order reaction has spećfic reaction rate 2 (min)^(-1) . The half life of the reaction' will be

The reaction A rarrB+C has rate constant 1xx10^(-3) Ms^(-1) . If one starts the reaction with one mole of A then t_(1//2) and completion of reaction time would be:

A first order reaction with respect to reactant A has a rate constant 6.5 min^(-1) . If we start with 2.0 mol L^(-1) of A when would A reach the value 0.5 mol L^(-1)