Differentiate the three states of matter on the basis of number of collisions.

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Solution

Kinetic energy:
It is the energy possessed by an object due to its motion.
So anything which moves have kinetic energy.
Order of kinetic energy:
Gas > Liquid > Solid

Types of motion:
1. Translational: Movement of particles from one point to another in a straight line.
2. Rotational: Movement of particles in a circular path.
3. Vibrational: Movement of particle back and forth at its mean position.

Number of collisions:
Particles are free to move randomly in any direction resulting in kinetic energy.
When particles move they collide with each other as well as with the wall of the container.
Order of number of collisions:
Gas > Liquid > Solid

Differentiation of three states of matter on the basis of number of collision of particles:
SOLID
LIQUID
GAS
1. Particles have a strong intermolecular force of attraction. 1. Particles have a less intermolecular force of attraction as compared to solids. 1. Particles have a very less intermolecular force of attraction as compared to solids and liquids.
2. Due to strong intermolecular force of attraction between particles there is lesser number of collision of particles. 2. Due to moderate intermolecular force of attraction between particles there is more number of collisions between particles as compared to solids. 2. Due to weak intermolecular force of attraction between particles there is more number of collisions between particles as well as with the wall of container as compared to solids and liquids.
3. In solids there is only vibrational motion. 3. In liquids there is vibrational , translational and rotational motion. 3. In gases there is vibrational , translational and rotational motion.
4. Example: Sugar crystals 4. Example: Alcohol 4. Example: Nitrogen gas

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