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When a compressed gas is allowed to expa...

When a compressed gas is allowed to expand through a porous plug at temperature above its inversion temperature there is

A

a fall in temperature

B

a rise in temperature

C

neither a fall nor a rise in temperature

D

a fall in temperature first followed by a rise in temperature

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Verified by Experts

The correct Answer is:
B
Above the inversion temperature, there is heating effect.
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MARVEL PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS -Liquefaction of Gases Critical Teperature Pressure and Volume
  1. For H(2) gas, the compressibility factor,Z = PV //n RT is -

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  2. When a compressed gas is allowed to expand through a porous plug at te...

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  3. The Joule -Thomson coefficient for a gas is zero at .

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  4. An ideal gas obeying the kinetic theory of gases can be liquefied if

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  5. At the critical temperature

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  6. Dominance of strong repulsive forces among the molecules of the gas (Z...

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  7. A gas is liquified

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  8. The compressibility factor for an ideal gas is

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  9. The compressibility factor of gases is less than unity at STP. Therefo...

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  10. Dominance of strong repulsive forces among the molecules of the gas (Z...

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  11. The temperature at which a real gas obeys the ideal gas laws over a wi...

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  12. The critical temperature of a substance is

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  13. NH(3) can be liquefied at ordinary temperature without the application...

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  14. At the critical temperature , the substance exists as a

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  15. The deviation from the ideal gas behaviour of a gas can be expressed a...

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  16. An ideal gas cannot be liquified because

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  17. Which of the following method is used for liquefaction of gases ?

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  18. Which set of conditions represent the easiest way to cool a gas ?

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  19. A gas is liquified

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  20. Liquefaction of gases is based on the principle of

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