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## Numerical

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The diffusion coefficient of an ideal gas is proportional to its mean free path and mean speed. The absolute temperature...
JEE Advanced 2016 Paper 1 Offline
To an evacuated vessel with movable piston under external pressure of 1 atm, 0.1 mol of He and 1.0 mol of an unknown com...
IIT-JEE 2011 Paper 1 Offline
At 27oC, hydrogen is leaked through a tiny hole into a vessel for 20 minutes. Another unknown gas at the same temperatur...
IIT-JEE 1992
A spherical balloon of 21 cm diameter is to be filled up with hydrogen at N.T.P from a cylinder containing the gas at 20...
IIT-JEE 1987

## MCQ (More than One Correct Answer)

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One mole of a monoatomic real gas satisfies the equation p(V $$-$$ b) = RT where b is a constant. The relationship of in...
JEE Advanced 2015 Paper 2 Offline
According to kinetic theory of gases
IIT-JEE 2011 Paper 1 Offline

## MCQ (Single Correct Answer)

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For one mole of a van der Waals gas when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van d...
IIT-JEE 2012 Paper 1 Offline

## Subjective

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One mole of nitrogen gas at 0.8 atm takes 38 s to diffuse through a pinhole. whereas one mole of an unknown compound of ...
IIT-JEE 1999
An LPG (liquefied petroleum gas) cylinder weighs 14.8 kg when empty. When full, it weighs 29.0 kg and shows a pressure o...
IIT-JEE 1994
A 4 : 1 molar mixture of He and CH4 is contained in a vessel at 20 bar pressure. Due to a hole in the vessel the gas mix...
IIT-JEE 1994
A gas bulb of 1 litre capacity contains 2.0 $$\times$$ 1021 molecules of nitrogen exerting a pressure of 7.57 $$\times... IIT-JEE 1993 At room temperature the following reacton is procedd nearly to completion: 2NO + O2$$\to$$2NO2$$\to N2O4 The dim...
IIT-JEE 1992
Calculate the volume occupied by 5.0 g of acetylene gas at 50oC and 740 mm pressure.
IIT-JEE 1991
Calculate the root mean square velocity of ozone kept in a closes vessel at 20oC and 82 cm mercury pressure.
IIT-JEE 1985
At room temparature, ammonia gas at 1 atm pressure and hydrogen chloride gas at P atm pressure are allowed to effuse thr...
IIT-JEE 1982

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