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Answer:

A)  all gas particles are in constant, random motion.

Explanation:

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The kinetic molecular theory states that all particles of an ideal gas are - In random, constant, straight-line motion.

The kinetic molecular theory

is a set of postulates that we use it in order to describe the behavior of gases.

  • The kinetic theory describes a gas as a large number of submicroscopic particles (atoms or molecules), all of which are in constant, random motion.
  • The rapidly moving particles constantly collide with each other and with the walls of the container
  • as particles do not attract or repel each other unless they collide.
  • When gas particles do collide and these collisions are elastic. This means that no energy is gained or lost in them.
  • Gas particles move randomly.
  • behaviors similar of gases such as Ideal Gas Law, PV =nRt

Thus, The kinetic molecular theory states that all particles of an ideal gas are - In random, constant, straight-line motion.

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