Density of azone relative to oxygen is under the same temperature & pressure :

Density of ozone relative to oxygen is under the same temperature & pressure :

A gas cylinder filled with hydrogen holds 5 g of the gas. The same cylinder holds 85 g of a gas X, under the same temperature and pressure. Calculate the vapour density and mol. wt. of the gas X.

A vessel contains X number of molecule of hydrogen gas at a certain temperature and pressure. How many molecules of oxygen will be present in a vessel of same volume under the same conditions of temperature and pressure? Name the law to justify your answer.

10 ml of H_2 contain 2000 molecules under certain temperature and pressure. Calculate the number of molecules of oxygen whose volume is 150 ml at same temperature and pressure.

Same volumes of hydrogen and oxygen at the same temperature and pressure are mixed together so that the volume of the mixture is same as the initial volume of the either gas. If the initial pressure be p, then the pressure of the mixture will be :

Solve A vessel contains X number of molecules of hydrogen gas at a certain temperature and pressure. How many molecules of nitrogen gas would be present in the same vessel under the same conditions of temperature and pressure ?