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In a certain region of space there are o...

In a certain region of space there are only 5 molecules per `cm^(3)` of gas on an average. The temperature is `3K`. What is the average pressure of this gas ? .

A

`2xx 10 ^(-15)`

B

`2xx 10^(-16)`

C

`2xx 10^(-18)`

D

`2xx 10^(-20)`

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MOTION-KINETIC THEORY OF GASES -EXERCISE-1
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  7. In the two vessels of same volume, atomic hydrogen and helium at press...

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

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

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

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

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

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

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

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

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

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

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

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

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

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