Question

List the main postulates of kinetic theory of matter.

Answer 1

The experimental observations about the behavior of gases discussed so far can be explained with a simple theoretical model known as the kinetic molecular theory. This theory is based on the following postulates, or assumptions.

1.Gases are composed of a large number of particles that behave like hard, spherical objects in a state of constant, random motion.
2.These particles move in a straight line until they collide with another particle or the walls of the container.
3.These particles are much smaller than the distance between particles. Most of the volume of a gas is therefore empty space.
4.There is no force of attraction between gas particles or between the particles and the walls of the container.
5.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.
6.The average kinetic energy of a collection of gas particles depends on the temperature of the gas and nothing else
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Answer 2

The main postulates of this theory are :

1.Matter is composed of very small particles called atoms and molecules.

2.The constituent particles of a kind of matter are identical in all respects.

3.These particles have spaces or gaps between them which are known as interparticular or intermolecular spaces.