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barxatty [35]
3 years ago
12

Which is a postulate of the kinetic-molecular theory?

Chemistry
2 answers:
marshall27 [118]3 years ago
8 0

Answer:

Gas particles have a small volume relative to the spaces between them.

Explanation:

Sever21 [200]3 years ago
5 0
  • A gas is composed of a large number of particles called molecules (whether monatomic or polyatomic) that are in constant random motion.
  • Because the distance between gas molecules is much greater than the size of the molecules, the volume of the molecules is negligible.
  • Intermolecular interactions, whether repulsive or attractive, are so weak that they are also negligible.
  • Gas molecules collide with one another and with the walls of the container, but these collisions are perfectly elastic; that is, they do not change the average kinetic energy of the molecules.
  • The average kinetic energy of the molecules of any gas depends on only the temperature, and at a given temperature, all gaseous molecules have exactly the same average kinetic energy.
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