specific latent heat

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  • Specific latent heat
    • amount of energy required to change the state of 1 kg of a material without changing its temp
    • Latent heat of fusion= amount of energy needed to freeze or melt the material at its melting point
      • Water=334 KJ/KG
      • Lead= 22.4 KJ/KG
      • Oxygen= 13.9 KJ/KG
    • Latent heat of vaporisation= amount of energy needed to evaporate or condense the material at its boiling point
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