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Kinetic model of matter (Solid, Liquid and Gas)!

In this blog post, we’ll explore Kinetic model of matter (Solid, Liquid and Gas)!

Besides, the fundamentals of which state have fixed shape and fixed volume, please note the following.

Summary pointers:

Internal Kinetic Energy of Particles:

Definition: The energy associated with the motion of particles within a substance.
Factors: Depends on the temperature: higher temperature increases kinetic energy.

State of Matter:
Gases: High kinetic energy, particles move freely and rapidly.
Liquids: Moderate kinetic energy, particles move past each other but are still relatively close.
Solids: Low kinetic energy, particles vibrate in fixed positions.

Internal Potential Energy of Particles:

Definition: The energy stored within a system due to the positions and interactions of the particles.
Factors: At higher temperatures, particles move faster, weakening intermolecular forces and lowering potential energy, especially in gases.

State of Matter:
Gases: Low potential energy due to weak intermolecular forces.
Liquids: Higher potential energy as particles are closer and forces are stronger.
Solids: Highest potential energy because of strong intermolecular forces keeping particles in fixed positions.

Key Points:

  • Both kinetic and potential energy contribute to the total internal energy of a substance.
  • Changes in temperature primarily affect kinetic energy.
  • Changes in phase primarily affect potential energy.

That’s it!

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