Problem: Which postulate of the kinetic molecular theory breaks down under conditions of low temperature?A) The size of a particle is negligibly small. B) The collision of one particle with another (or with the walls) is completely elastic. C) The average kinetic energy of a particle is proportional to the temperature in kelvins.

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At low temperatures → molecules don't move as fast at higher temperatures → interaction between particles is possible 

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Problem Details

Which postulate of the kinetic molecular theory breaks down under conditions of low temperature?


A) The size of a particle is negligibly small. 

B) The collision of one particle with another (or with the walls) is completely elastic. 

C) The average kinetic energy of a particle is proportional to the temperature in kelvins.

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