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When a van der waals ' gas undergoes fre...

When a van der waals ' gas undergoes free expansion , then its temperature

A

decreases

B

increases

C

does not change

D

depends upon the nature of the gas

Text Solution

Verified by Experts

The correct Answer is:
A
When vander waals' gas undergoes free expansion, then its temperature decreases.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-KINETIC THEORY OF GASES ANDRADIATION-Exercise 1
  1. Air is pumped into an automobile tube upto a pressure of 200 kPa in th...

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  2. Simple behaviour under all conditions of real gas is governed by the e...

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  3. When a van der waals ' gas undergoes free expansion , then its tempera...

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  4. At 10^(@)C, the value of the density of a fixed mass of an ideal gas d...

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  5. One litre of an ideal gas st 27^(@)C is heated at a constant pressure ...

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  6. Two ballons are filled, one with pure He gas and other by air, repecti...

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  7. Two moles of an ideal gas is contained in a cylinder fitted with a fri...

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  8. During an experiment, an ideal gas is found to obey an additional law ...

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  9. The gas in a vessel is subjected to a pressure of 20 atmosphere at a t...

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  10. A real gas behaves like an ideal gas if its

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  11. How much heat energy in joules must be supplied to 14gms of nitrogen a...

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  12. A balloon contains 500m^(3) of He at 27^(@)C and 1 atm pressure. Then ...

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  13. The figure below shows the plot of (PV)/(nT) versus P for oxygen gas a...

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  14. Temperature remaining constant, the pressure of gas is decreased by 20...

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  15. A closed container of volume 0.02m^(3) contains a mixture of neon and ...

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  16. The mean free path of collision of gas melecules varies with its diame...

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  17. At what temperature will be the oxygen molecules have the same root me...

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  18. The temperature of an ideal gas is increased from 120 K to 480 K. If a...

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  19. The temperature at which the mean KE of the molecules of gas is one - ...

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  20. if average velocity becomes 4 times, then what will be the effect on r...

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