Recent questions tagged ideal-gas-equation

The time for a certain volume of a gas A to diffuse through a small hole is 2 minute. If it takes 5.65 minute for oxygen to diffuse under simililar conditions. Find the molecular weight of A.

asked Feb 16, 2014 by sharmaaparna1

1 answer

5.6 litre of an unknown gas at NTP requires 12.5 calorie to raise its temperature by $10^{\large\circ}C$ at constant volume. Calculate the $C_v$ of the gas.

asked Feb 16, 2014 by sharmaaparna1

1 answer

Calculate the volume occupied by 96g $CH_4$ at 16 atm and $27^{\large\circ}C$.(R = 0.08litre atm $K^{-1}mol^{-1}$.

asked Feb 16, 2014 by sharmaaparna1

1 answer

A certain amount of an ideal gas occupies a volume of $1.0m^3$ at a given temperature and pressure. What would be its volume after reducing its pressure to half the initial value and raising the temperature twice the initial value?

asked Feb 15, 2014 by sharmaaparna1

1 answer

4 litre $C_2H_4(g)$ burns in oxygen at $27^{\large\circ}C$ and 1atm to produce $CO_2(g)$and $H_2O(g)$. Calculate the volume of $CO_2$ formed at $27^{\large\circ}C$ and 4 atm

asked Feb 15, 2014 by sharmaaparna1

1 answer

7g of a gas occupies a volume of 4:1 litre at 300K. If mol weight of gas is 42 , then find the pressure of it.

asked Feb 15, 2014 by sharmaaparna1

1 answer

Calculate the weight of $N_2$ in 6.24 litre cylinder at $27^{\large\circ}C$ and 750 mm Hg. (R = 0.0821 litre atm $K^{-1}mol^{-1}$)

asked Feb 15, 2014 by sharmaaparna1

1 answer

A compound exists in the gaseous phase both as monomer (A) and dimer $(A_2)$. The molecular weight of A is 48 . In an experiment 96g of the compound was confined in a vessel of volume 33.6 litre and heated to $273^{\large\circ}C$. Calculate the pressure developed if the compound exists as dimer to the extent of $50\%$ by weight under these conditions.

asked Feb 15, 2014 by sharmaaparna1

1 answer

Calculate the pressure exerted by $10^{23}$ gas molecules each of mass $10^{-22}$ g in a container of volume one litre. The rms speed is $10^5 cm \;sec^{-1}$

asked Feb 15, 2014 by sharmaaparna1

1 answer

Under 3atm , 12.5 litre of a certain gas weigh 15g. Calculate the average speed of gaseous molecules.

asked Feb 15, 2014 by sharmaaparna1

1 answer

Calculate the total pressure in a mixture of 4g $O_2\;and \;2g\;H_2$ confined in a bulb of 1 litre at $0^{\large\circ}C$

asked Feb 14, 2014 by sharmaaparna1

1 answer

Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel . The weight of A is 0.50g and that of B is 0.2g. The total pressure of the mixture is 750mm. Calculate partial pressure of the two gases.

asked Feb 14, 2014 by sharmaaparna1

1 answer

$20\% N_2O_4$ molecules are dissociated in a sample of gas $27^{\large\circ}$ and 760 torr. Calculate the density of the equilibrium mixture.

asked Feb 14, 2014 by sharmaaparna1

1 answer

Positive deviations from ideal gas behaviour takes place because

asked Feb 14, 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

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

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

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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