States of Matter - Result Question 38
When an ideal gas undergoes unrestrained expansion, no cooling occurs because the molecules do not do work
$(1984,1 M)$
(a) are below the inversion temperature
(b) exert no attractive forces on each other
(c) work done equals the loss in kinetic energy
(d) collide without loss of energy
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Answer:
Correct Answer: 38. (b)
Solution:
According to postulates of kinetic theory, there is no intermolecular attractions or repulsions between the molecules of ideal gases.
BETA
