The volume of a gas at `21^(@)C` temperature and `768mm` pressure is `1` litre. If the density of the gas is `1.2(gm)/(litre)` at NTP, then its mass will be
`4gm`
`4.21gm`
`1.13gm`
`10gm`

The weight of 350 ml a diatomic gas at 0^(@)C and 2atm pressure is 1 gm.The weight of one atom is :-

The volume of a given mass of gas is 20 litre at 300K and 1 atmosphere pressure .At what pressure will the volume of the gas be 1 litre at the same temperature ?

The weight of 350 ml of diatomic gas at 0^∘C and 2 atm pressure is 1 gm. What is the atomic weight of the substance?

The weight of 250 ml of diatomic gas at 0^∘C and 2 atm pressure is 1 gm. What is the atomic weight of the substance?

The weight of 150 ml of diatomic gas at 0^∘C and 2 atm pressure is 1 gm. What is the atomic weight of the substance?

Density of a gas is found to be 4 gm//dm^(3) at 27^(@)C and 2 bar pressure. It density at STP will be :

The perfect gas equation for 4 gm of Hydrogen gas will be

A duma bulb full of air weighs 22.567 gm at 20^@C and 755 mm pressure. Full of vapours of a substance at 120^@C and the same pressure. It weighs 22.8617 gm. The capacity of the bulb is 200 ml. Find out the molecular mass of the substance. [density of air =0.00129(gm)/(ml) ]

In an isothermal reversible expansion, if the volume of 96 gm of oxygen at 27^(@)C is increased from 70 litres to 140 litres , then the work done by the gas will be

If a is the G.M. of 2\ a n d1/4, find adot