ICSE Class 8 Answered
Basis of kinetic theory of matter
change of liquid in to solid
Asked by ay014500 | 24 Jul, 2020, 10:17: AM
Expert Answer
On the basis of kinetic theory –
Intermolecular space
- In solids, the space between the particles is very less.
- In liquids, the space between the particles is slightly more as compared to solids but still very less.
The particles of liquid can slip and slide over each other.
- In gases, the particles are much farther apart from one another as compared to solids and liquids.
They have a very disorderly arrangement of particles compared to solids and liquids.
Force of attraction
- The force of attraction between the particles is strong. Thus, particles in a solid are closely packed.
The force of attraction between the particles is strong enough to hold the particles together but
not strong enough to hold the particles in a fixed position.
- Thus, particles in a liquid are not as closely packed as in solids.
- The force of attraction between the particles is negligible; hence, particles of a gas move freely in all directions.
- Gases can thus mix or diffuse into other gases.
Movement
- Solid particles vibrate only about their mean position.
- Liquid particles are free to move around in the liquid only. They can slip and slide over each other.
- Gaseous particles move with high speed in all directions and can exert pressure on the walls of the container.
Answered by Ramandeep | 24 Jul, 2020, 07:24: PM
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