List of top Chemistry Questions on Ideal gas equation asked in BITSAT

An evacuated glass vessel weighs 40.0 g when empty, 135.0 g when filled with a liquid of density 0.95 g mL\(^{-1}\) and 40.5 g when filled with an ideal gas at 0.82 atm at 250 K. The molar mass of the gas in g mol\(^{-1}\) is: (Given: R = 0.082 L atm K\(^{-1}\) mol\(^{-1}\))

A vessel of volume 20L contains a mixture of hydrogen and helium at temperature 27^∘C and pressure 2atm. The total mass of the mixture is 5g. Assuming ideal gases, the ratio of mass of hydrogen to that of helium is

100 mL O₂ and H₂ are kept at the same temperature and pressure. What is true about their number of molecules?

A vessel of volume \(20\,\text{L}\) contains a mixture of hydrogen and helium at temperature \(27^\circ\text{C}\) and pressure \(2\,\text{atm}\). The mass of the mixture is \(5\,\text{g}\). Assuming the gases to be ideal, the ratio of mass of hydrogen to that of helium in the mixture is: