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Liquids

K.M.T (Kinetic Molecular Theory) of Liquids: This theory is given by a scientist known as Bernoulli. This theory states about liquids.

Liquids have:

  • Definite Volume
  • No definite shape
  • Intramolecular attraction

Types of Kinetic Energy:

Transitional K.E:

  • Transitional Kinetic Energy K.E.
  • Rotational Kinetic Energy K.E.
  • Vibrational Kinetic Energy K.E.

This type of kinetic energy is mainly in Gas and Liquid molecules as they have a lot of space between them. They can easily move back and forward.

Rotational K.E:

This type of kinetic energy is also seen in Gas and Liquid molecules, these molecules can get into any shape and can rotate as well.

Vibrational K.E: As we know Solid molecules are tightly packed and can only vibrate, that’s why we cannot find Transitional and Rotational Kinetic Energy K.E in solids. Molecules of solid particles have less Intramolecular force so they can only vibrate.

Remember the thing written in the image: “Water is the only element which comes in all states of matter”. E.g. of water in solid form: ‘Ice’, water in liquid form: ‘Water’ & water in gas form: ‘water vapor or hydrogen gas’.

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