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States of Matter

  • Change of state
    • A change of state occurs because heat energy breaks the force of attraction between particles. Kinetic energy of the particle increases.
  • Melting point
    • The temperature at which a solid melts into a liquid at normal atmospheric pressure.
    • At melting point, the temperature does not change until all solid converts into liquid.
  • Latent heat
    • The heat required to break the force of attraction between the particles at transition temperature. This heat becomes confined within the material and is called the latent heat.
    • Amount of heat required to change 1 kg of material to change its state at normal atmospheric pressure at transition temperature is called the latent heat…

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