A reaction has a half life of 1min. The time required for 99.9% completion of the reaction is .........min. (Round off to the Nearest Integer). [Use : ln =2 0.69, ln 10=2.3]

For the first order reaction A to 2 B ,1 mole of reactant A gives 0.2 moles of B after 100 minutes. The half life of the reaction is ...... min. (Round off to the nearest integer). [Use ln 2 =0. 69, ln 10 = 2. 3 Properties of logarithms : ln x ^(y) = y ln x, ln ((x)/(y)) = ln x - ln y] Round off to the nearest integer)

IF the t_(1//2) for a first order reaction 0.4 min, the time of or 99.9% completion of the reaction is ............min.

A first order reaction is half completed in 45 minutes.The time required to complete 99.9% of the reaction

A First order reaction is 50% complete in 69.3 minutes. Time required for 90% completion for the same reaction is

In the case of a first order reaction, the ratio of time required for 99.9% completion to 50% completion is

For a certain first order reaction 32% of the reactant is left after 570s. The rate constant of this reaction is "_________" xx 10^(-3) s^(-1) . (Round off to the Nearest Integer ) . [ Given : log_(10) 2 = 0.301, ln 10 = 2.303 ]

The gas phase raction 2A(g) Leftrightarrow A_(2)(g) at 400 K has triangleG^@=+25.5 Kj mol^(-1) . The equilibrium constant K_C for this reaction is ............. xx 10^(-2) . (Round off to the Nearest Integer). ["Use "R=8.3 J mol^(-1) K^(-1), ln 10=2.3 log_(10)2=0.30, 1 atm =1"bar"] ["antilog "(-0.3)=0.501]

A first order reaction is 10% complete in 20 min. the time taken for 19% completion is :

Show that time required to complete 99.9% completion of a first order reaction is 1.5 times to 99% completion.