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The distance travelled by a molecule bet...

The distance travelled by a molecule between two successive collisions is called as

A

mean free path

B

free path

C

path length

D

range

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The correct Answer is:
B
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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

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: Select the incorrect statement(s).

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: Select the correct statement(s).

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: When CO_(2) under high pressure is released from a fire extinguisher, particles of solid CO_(2) are formed, despite the low sublimation temperature (-77^(@)C) at 1 atm because

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Estimate the number of collisions per second suffered by a molecule in a sample of hydrogen at STP.The mean free path (average distance covered by a molecule between successive collisions)=1.38xx10^(-5)cm.

A system consists of two types of gas molecules A and B having same number density 2 xx 10^(25)//m^3 .The diameter of A and B are 10 Å and 5 Å respectively. They suffer collision at room temperature. The ratio of average distance covered by the molecule A to that of B between two successive collision is "________" xx 10 ^(-2)

TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -Evaluation test
  1. The distance travelled by a molecule between two successive collisions...

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  2. The power radiated by a black body is P, and it radiates maximum energ...

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  3. One mole of an ideal gas is kept enclosed under a light piston (area =...

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  4. A metallic pipe with nut and bolt assembly is shown in the figure. as ...

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  5. Variation of heat of reaction with temperature is known as

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  6. A black pattern on a porcelain bowl appears brighter than the rest of ...

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  7. A boiler heats water flowing at the rate of 2.0 litres per minute from...

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  8. For an ideal gas,

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  9. A reversible engine converts one third input into work. When the tempe...

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  10. Two bodies A and B having same surface areas have emmissivities of 0.0...

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  11. Two different adiabatic curves for the same gas intersect two isotherm...

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  12. A given quantity of a ideal gas is at pressure P and absolute tempera...

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  13. A given quantity of a ideal gas is at pressure P and absolute tempera...

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  14. Real gases obey ideal gas laws more closely at

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  15. A flask is filled with 10 g of a gas at 20 °C and then heated to 50 °C...

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  16. One mole of an ideal gas at temperature T was cooled isochorically til...

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  17. Assertion: Equal volumes of monatomic and polyatomic gases are adiabat...

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  18. A certain mass of an ideal gas undergoes a reversible isothermal compr...

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  19. An ideal Black-body at room temperature is thrown into a furnace. It i...

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