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Recent questions tagged liquifaction-of-gases

2g of hydrogen diffuses from a container in 10 minutes . How many grams of oxygen would diffuse through the same container in the same time under similiar conditions ?

asked Apr 8, 2014 by sharmaaparna1

1 answer

Pure $O_2$ diffuses through an aperture in 224 seconds whereas mixture of $O_2$ and another gas containing $80\%\;O_2$ diffuses from the same in 234 sec. What is mol. wt. of gas?

asked Apr 5, 2014 by sharmaaparna1

1 answer

A jar contains a gas and a few drops of water at 'T' K . The pressure in the jar is 830mm of Hg. The temperature of the jar is reduced by $1\%$. The vapour pressure of water at two temperature are 30 and 25 mm of Hg. Calculate the new pressure in the jar.

asked Apr 1, 2014 by sharmaaparna1

1 answer

If $10^{-4} dm^3$ of water is introduced into a $1.0dm^3$ flask to 300K. How many moles of water are in the vapour phase when equilibrium is established? (Given Vapour pressure of $H_2O$ at 300K is 3170 Pa ; $R = 8.314JK^{-1}mol^{-1}$

asked Feb 14, 2014 by sharmaaparna1

1 answer

The ratio of the rate of diffusion of helium and methane under identical conditions of pressure and temperature is

asked Feb 14, 2014 by sharmaaparna1

1 answer

The root mean square speed of an ideal gas at constant pressure varies with density d as

asked Feb 13, 2014 by sharmaaparna1

1 answer

At $100^{\large\circ}C$ and 1 atm , if the density of liquid water is 1.0g $cm^{-3}$ and that of water vapour is $0.0006gcm^{-3}$ , then the volume occupied by water molecules in 1 litre of stream at that temperature is :

asked Feb 13, 2014 by sharmaaparna1

1 answer

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