Question

What are the three assumptions of the kinetic theory of matter?

The particles that make up matter are always in motion. Temperature influences how fast (or slow)
these particles move.
When temperature is held constant, particle movement is dependent on how heavy or light the
particle is.
Only solids and and liquids are made of particles, which consist of atoms and molecules.
Liquid and gas particles are always in motion. Solid particles are not in motion.
All matter is made of particles, which consist of atoms and molecules.

Answer 1

The three assumptions of the kinetic theory of matter are that all matter is made of particles, which are always in motion and are influenced by temperature. Particle movement is also dependent on the weight of the particles.

Step-by-step explanation:

The three assumptions of the kinetic theory of matter are:

1. All matter is made of particles, which consist of atoms and molecules.
2. The particles that make up matter are always in motion. Temperature influences how fast or slow these particles move.
3. When temperature is held constant, particle movement is dependent on how heavy or light the particle is.

For example, in a gas, the particles move faster and have more kinetic energy compared to particles in a liquid or a solid. Furthermore, as the temperature of a substance increases, the particles move faster and collide more frequently with one another.

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