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Which of the following does not change d...

Which of the following does not change during compression of a gas at constant pressure-

A

density of a gas

B

distance between molecules

C

average speed of molecules

D

the number of collisions

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Which of the following expressions does not represent an ideal gas ?

    A
    `p=nRT//V`
    B
    `p=dRT//M`
    C
    `pV=1/3mNu^(-2)`
    D
    `p=2/3N(KT)`

  • The change in pressure and volume of a gas when heat content of the gas remains conatant are called adiabatic changes. The equation is PV^gamma = constant. The changes must be sudden and the exchange of heat with the surroundings. In such changes, dQ= 0. As per first law of thermodynamics, dQ=dU+dW=0. Therefore, dU= -dW Answer the following question based on above passage : A gas in a container is compressed suddenly. Its temperature would

    A
    Increase
    B
    decrease
    C
    stay constant
    D
    change depending upon surrounding temp.

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