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When an ideal gas undergoes unrestrained expansion, no cooling occurs because the molecules -
 

Option: 1

Are above the inversion temperature.


Option: 2

Exert no attractive forces on each other.


Option: 3

Do work equal to loss in kinetic energy.


Option: 4

Collide without loss of energy.


Answers (1)

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According to postulates of kinetic theory, there is no intermolecular attractions or repulsions between the molecules of ideal gases-

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Sanket Gandhi

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