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If velocities of 5 molecules of certain ...

If velocities of 5 molecules of certain gas are`–7, 5, 4, –3` and 1 m/sec respectively then mean speed of molecules is (m/sec) -

A

Zero

B

20

C

4

D

`sqrt20`

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MOTION-KINETIC THEORY OF GASES -EXERCISE-1
  1. In a certain region of space there are only 5 molecules per cm^(3) of ...

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  2. A box contains N molecules of a perfect gas at temperature T(1) and te...

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  3. If velocities of 5 molecules of certain gas are–7, 5, 4, –3 and 1 m/se...

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  4. The rms speed of oxygen at room temperature is about 500m/s.The rms sp...

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  5. In the two vessels of same volume, atomic hydrogen and helium at press...

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  6. The rms velocity of molecules of a gas at temperature T is V (rms). Th...

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  7. The root-mean square speeds of the molecules of different ideal gases,...

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  8. At what temperature is the rms velocity of a hydrogen molecule equal t...

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  9. The temperature of an ideal gas is increased from 27 ^@ C to 927^(@)C....

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  10. The molecular weights of H(2) and O(2) are 2 and 32 respectively. The ...

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  11. The average kinetic energy of H(2) molecules at 300 K is E at the same...

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  12. Degrees of freedom of a monatomic gas due to its rotational motion wi...

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  13. Degrees of freedom of hydrogen and ozone gases will be respectively

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  14. The energy associated with each degree of freedom of a molecule

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  15. The average translational kinetic energy of 10 gram H(2) at 27 ^(@)C i...

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  16. At 27^(@)C, the average total energy of O (2) molecule is approximatel...

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  17. CO (2) (O-C-O) is a triatomic gas. Mean kinetic energy of one gram gas...

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  18. The kinetic energy of gas molecules at 300 K is 75 joule. This energy ...

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  19. Calculate the kinetic energy of one mole of argon at 127^(@)C. Given,B...

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  20. 11 grames of carbondioxide are heated at constant pressure from 27^(@...

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