How many molecules are present in 5.6xx10^(-8) cc of Cl_(2) at stP?
5 pumps are required to fill a tank in 1 1/2 hours. How many pumps of the same type are used to fill the tank in half an hour.
How many liters of helium gas at NTP has weight same as 3.0115xx10^(23) molecules of methane?
The rate constant of the reaction A to B is 0.6xx10^(-3) mole per second. If the concentration of A is 5 M, then concentration of B after 20 minutes is :
A 0.200M KOH solutions is electrolysed for 1.5 h using a current of 8.00 A. How many moles O_2 were produced at the anode?
The density of copper is 8 gm/cc. Number of coulombs required to plate an area of 10 cm x 10 cm on both sides to a thickness of 10^(-2) cm using Cuso_4 solution as electrolyte is
