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A basic postulate of the kinetic theory of gases is that the molecules of a gas move in ...

A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that?
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  • A Collisions are perfectly elastic
  • B Forces of repulsion exist
  • C Forces of repulsion are in equilibrium
  • D Collision are inelastic
Correct Answer: Option A
Explanation:
Collisions between gas particles or collisions with the walls of the container are perfectly elastic. None of the energy of a gas particle is lost when it collides with another particle or with the walls of the container.

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