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Air is cooled from 25^@C to 0^@C. Calcul...

Air is cooled from `25^@C` to `0^@C`. Calculate the decrease in rms speed of the molecules.

A

`4 %`

B

`12 %`

C

`29 %`

D

`50 %`

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The correct Answer is:
C
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AAKASH SERIES-STATES OF MATTER-OBJECTIVE EXERCISE -2
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  2. The average speed at T1 K and most probable speed at T2K of CO2 gas is...

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  3. Air is cooled from 25^@C to 0^@C. Calculate the decrease in rms speed ...

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  4. If two gases of molecular weights MA and MB at temperature TA and TB a...

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  5. A uniform glass tube of 100 cm length is connected to a bulb containin...

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  6. The density of an ideal gas is 0.03 g/cm^3, its pressure is 10^6 dy/c...

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  7. The rms velocity of an ideal gas at 300 K is 12240 ems^(-1), what is t...

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  8. The rms speed of helium in ms^(-1) (atomic mass = 4.0g mol^(-1)) at 40...

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  9. The density of a gas is l gm/lit at STP. At 6 atm pressure and 546^@C,...

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  10. The rms velocity of an ideal gas at 300 K is 12240 ems^(-1), what is t...

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  16. The gas that liquefies first, when cooled from 500K to its critical te...

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  17. Critical temperature is least for

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  18. For a van der Waal's gas, determine Boyle Temperature (given a = 4.5 a...

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  19. The viscosity of four liquids P, Q, R and S are 85, 11.4, 18 and 12.3 ...

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