States of Matter - Result Question 38

####38. When an ideal gas undergoes unrestrained expansion, no cooling occurs because the molecules

$(1984,1 M)$

(a) are above the inversion temperature

(b) exert no attractive forces on each other

(c) do work equal to loss in kinetic energy

(d) collide without loss of energy

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Solution:

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


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