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To what temperature should the hydrogen ...

To what temperature should the hydrogen at 327°C be cooled at constant pressure, so that the root mean square velocity of its molecules become half of its previous value

A

`-123^@C`

B

`-23^@C`

C

`-100^@C`

D

`0^@C`

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The correct Answer is:
A
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AAKASH SERIES-KINETIC THEORY OF GASES-Exercise -II
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  4. At a pressure of 24xx10^(5) dyne/cm^(2),the volume of O(2) is 10 litre...

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  6. N(lt100) molecules of a gas have velociteis 1,2,3……N km/s respectively...

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  7. The respective speeds of five molecules are 2, 1.5, 1.6, 1.6 and 1.2 k...

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  8. Gas al a pressure P0 is contained in a vessel. If the masses of all th...

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  9. At a given temperature the root mean square velocities of oxygen and h...

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  10. The mean free path and rms velocity of a nitrogen molecule at a temper...

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  11. Under identical conditions of temperature, presure and volume, the rat...

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  14. The number of molecules of hydrogen in 1 cc of hydrogen gas at NTP.

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  16. For a gas if ratio of specific heats at constant pressure and volume i...

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  17. What is the expression between the pressure and kinetic energy of a ga...

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  18. An ideal gas undergoes a process in which PV^(-a)= constant, where V i...

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  19. In an ideal gas at temperature T, the average force that a molecule ap...

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