Home
Class 12
CHEMISTRY
The decomposition of equal moles of two ...

The decomposition of equal moles of two reactants P and   Q obey first order kinetics with half life 54 and 18 minute respectively. If both are allowed to run for 54 minute. The ratio of moles of   Q and   P left after decomposition will be.

Promotional Banner

Similar Questions

Explore conceptually related problems

Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes respectively. Initially, the samples have equal number of nuclei. After 80 minutes, the ratio of decayed numbers of A and B nuclei will be :

Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes respectively. Initially, the samples have equal number of nuclei. After 80 minutes, the ratio of decayed numbers of A and B nuclei will be

Two pipes, P and g can fill a cistern in 12 and 15 minutes respectively. If both are opened together and at the end of 3 minutes, the first is closed, how much longer will the cistern take to fill?

There are two species A & B with half lives 54 & 18 minutes resp. The time after which concentration of A is 16 times that of B will be

Half lives of two radioactive nuclei A and B are 10 minutes and 20 minutes, respectively. If, initially a sample has equal number of nuclei, then after 60 minutes, the ratio of decayed numbers of nuclei A and B will be:

The half-life period of a first order reaction is 15 minutes. The amount of substance left after one hour will be:

Two pipes P and Q can fill a cistern in 15 minutes and 20 minutes respectively. Both are opened together, but at the end of 5 minutes, the pipe P is turned off. How long will the pipe Q take to fill the cistern ?