`4 g` hydrogen is mixed with 11.2 litre of He at (STP) in a container of volume 20 litre. If the final temperature is `300 K`, find the pressure.

12 gm He and 4 gm H_(2) is filled in a container of volume 20 litre maintained at temperature 300 K. the pressure of the mixture is nearly :

12 gm He and 4 gm H_(2) is filled in a container of volume 20 litre maintained at temperature 300 K. the pressure of the mixture is nearly :

One litre of oxygen at a pressure of 1 atm and two litres of nitrogen at a pressure of 0.5 atm are introduced into a vessel of volume 1 litre. If there is no change in temperature, the final pressure of the mixture of gas (in atm) is

One litre of oxygen at a pressure of 1 atm and two litres of nitrogen at a pressure of 0.5 atm are introduced into a vessel of volume 1 litre. If there is no change in temperature, the final pressure of the mixture of gas (in atm) is

22 g of a gas occupies 11.2 litres of volume at STP. The gas is

11.2 litre of a gas at STP weighs 14 g The gas could not be