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XmL of H(2) gas effuses through a hole i...

`XmL` 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 .

A

10 sec, He

B

20 sec, `O_(2)`

C

25 sec, CO

D

55 sec, `CO_(2)`

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The correct Answer is:
B
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X mL of H_(2) gas effuses through a hole in a container in 5 s . The time taken for the effusion of the same volume of the gas specified below, under identical conditions, is

The constant motion and high velocities of gas particles lead to some important practical consquences. One such consquences is that gases mix rapidly when they come in contact. Take the stopper off a bottle of perfume, for instance, and the odour will spread rapidly through the room as perfume molecules mix with the molecules in the air. This mixing of different gases by random molecular motion and with frequent collision is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion. Both the processes follow Graham's law which is mathematically put as r prop sqrt(1//d) . The average distance travelled by molecules between successive collisions is called mean free path. Answer the following questions on the basis of the above information: X mL H_(2) effuses through a hole in a container in 5 s . The time taken for the effusion of the same volume of the gas specified below under identical conditions is

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MOTION-GASEOUS STATE -EXERCISE-2(LEVEL-II)
  1. The ratio between the root mean square speed of H(2) at 50 K and that ...

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  2. XmL of H(2) gas effuses through a hole in a container is 5 second. The...

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  3. One mole of N(2)O(g) at 300K is kept in a closed container under one a...

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  4. The absolute temperature of an ideal gas is….. to/than the average kin...

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  5. One way of writing the equation of state for real gases is PV=RT[1+(...

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  6. Calculate the total pressure in a 10 litre cylinder which contains 0.4...

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  7. According to Graham's law, at a given temperature the ratio of rates o...

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  8. An evacuated glass vessel weighs 50.0 g when empty, 148.0 g when fille...

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  9. Using van der Waals equation, calculate the constant a when 2 mol of a...

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  10. The pressure exerted by 12 g of an ideal gas at temperature t^(@)C in ...

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  11. (a) One mole of nitrogen gas at 0.8 atm takes 38 s to diffuse through ...

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  12. A gas will approach ideal behaviour at

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  13. The compressibility of a gas is less than unity at STP .

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  14. The rms velocity of hydrogen is sqrt(7) times the rms velocity of nitr...

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  15. The pressure of a fixed amount of an ideal gas is proportional to its ...

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  16. The root mean square velocity of an ideal gas to constant pressure var...

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  17. The compression factor (compressibility factor) for 1 mol of a van der...

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  18. Select the correct observartion for a 8.21 litre container, fillled wi...

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  19. Select the incorrect statement ( s) :

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  20. Select the correct option for an ideal gas undergoing a process as sho...

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