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Recent questions in States of Matter: Liquids and Gases

Questions >> JEEMAIN and NEET >> Chemistry >> States of Matter: Liquids and Gases

When the temperature is increased surface tension of water

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

The rms velocity of hydrogen is $\sqrt7$ times the rms velocity of nitrogen. If T is the temperature of the gas, then

asked Feb 13, 2014 by sharmaaparna1

1 answer

The compressibility of gas is less than unity at S.T.P .Therefore

asked Feb 13, 2014 by sharmaaparna1

1 answer

A gas will approach ideal behaviour at :

asked Feb 13, 2014 by sharmaaparna1

1 answer

According to Graham's law , at a given temperature , the ratio of rates of diffusion $\large\frac{r_A}{r_B}$ of gases A and B is given by:

asked Feb 13, 2014 by sharmaaparna1

1 answer

The Compressibility factor for an ideal gas is

asked Feb 13, 2014 by sharmaaparna1

1 answer

X mL of $H_2$ gas effuses through a hole in a container is 5 Second. The time taken for the effusion of the same Volume of the gas Specified below under identical conditions is

asked Feb 13, 2014 by sharmaaparna1

1 answer

The ratio between the rms Speed of $H_2$ at 50K and that of $O_2$ at 800K is :

asked Feb 12, 2014 by sharmaaparna1

1 answer

In Van der waal's equation of state of the gas law the constant 'b' is a measure of :

asked Feb 12, 2014 by sharmaaparna1

1 answer

As the temperature is raised from $20^{\large\circ}C \;to \;40^{\large\circ}C$ , the average kinetic energy of neon atoms changes by a factor.

asked Feb 12, 2014 by sharmaaparna1

1 answer

According to kinetic theory of gases in an ideal gas between two successive collisions a gas molecule travels:

asked Feb 12, 2014 by sharmaaparna1

1 answer

For an ideal gas , number of moles per litre in terms of its pressure P , gas constant R and temperature T is

asked Feb 12, 2014 by sharmaaparna1

1 answer

Kinetic theory of gases proves

asked Feb 12, 2014 by sharmaaparna1

1 answer

Value of gas Constant R is

asked Feb 12, 2014 by sharmaaparna1

1 answer

Calculate the density of $CO_2\; at \;100^{\large\circ}C$ and 800mm Hg pressure.

asked Feb 12, 2014 by sharmaaparna1

1 answer

Calculate the weight of $CH_4$ in a 9 litre cylinder at 16 atm and $27^{\large\circ}$ (R = 0.08 litre atm $K^{-1}$)

asked Feb 11, 2014 by sharmaaparna1

1 answer

Calculate the temperature at which 28g $N_2$ occupies a volume of 10 litres at 2.46 atm.

asked Feb 11, 2014 by sharmaaparna1

1 answer

Calculate the volume occupied by 7g $N_2$ at $27^{\large\circ}$ and 750mm of Hg.

asked Feb 11, 2014 by sharmaaparna1

1 answer

An iron cylinder contains helium at a pressure of 250 Kpa at 300K. The cylinder can withstand a pressure of $1\times10^6 Pa$ . The room in which cylinder is placed catches fire. Predict whether the cylinder will blow up before it melts or not . melting point of cylinder = 1800K

asked Feb 11, 2014 by sharmaaparna1

1 answer

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