Which postulate of the kinetic-molecular theory applies to the particles of a liquid? They do not move freely but vibrate in a stationary position. They can be compressed, which causes a large change in volume. They have so much kinetic energy that their intermolecular forces are negligible. They have enough kinetic energy to easily slide by each other.

(1) Answers

I think the correct answer is the fourth option. They have enough energy to slide to by each other. Liquid molecules are much closer to each other than the gas molecules therefore they collide more often than in a gas system. 

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