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If an ideal gas is expanded at constant ...

If an ideal gas is expanded at constant temperature then `"____________"`.

A

the pressure increases

B

the kinetic energy of the molecules remains the same

C

the kinetic energy of the moleclels decreases

D

the number of molecules of the gas increases.

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The correct Answer is:
B
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TARGET PUBLICATION-STATES OF MATTER (GASES AND LIQUIDS) -CRITICAL THINKING
  1. The collision taking place among gas molecules depends upon

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  2. Indicate which of the following statements is CORRECT.

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  3. If an ideal gas is expanded at constant temperature then "".

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  4. In deriving the kinetic gas equation, use is made of the root mean squ...

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  5. According to kinetic theory of gases, for a diatomic molecule

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  6. The ratio of root mean square velocity of average velocity of a gas mo...

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  7. The energy of an ideal gas depends only on its "".

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  8. If the v(rms) is 30R^(1//2) at 27^(@)C then calculate the molar mass o...

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  9. For one mole of an ideal gas, increasing the temperature from 0^(@)C t...

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  10. In the temperature changes from 27^(@)C to 127^(@)C, the relative perc...

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  11. What is kinetic energy of 1 gm of O(2) at 47^(@)C ?

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  12. Mercury manometer can be used to determine "".

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  13. S.I. Unit of surface tension is:

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  14. Liquids rise or sink in capillaries due to "".

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  15. Which of the following statements is INCORRECT for liquid ?

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  16. As the temperature rises viscosity of liquids

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  17. On atmosphere is numerically equal to approximately "".

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  18. Which of the following statements is FALSE ?

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  19. Which of the following statement is CORRECT ?

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  20. Which of the following pressure conversion factors of INCORRECT?

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