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5 November, 10:50

8. What causes matter to change phases?

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Answers (2)
  1. 5 November, 13:25
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    Phase changes require either the addition of heat energy (melting, evaporation, and sublimation) or subtraction of heat energy (condensation and freezing) ...

    Explanation:

    Changing the amount of heat energy usually causes a temperature change.
  2. 5 November, 14:35
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    Increase or decrease in kinetic energy of the molecule of the matter

    Explanation:

    As the kinetic energy of the

    Matter increases, solid can change to liquid or liquid to gas and meaning heat energy is added, also as kinetic energy of the molecules of matter decreases, heat energy is removed and gas change to liquid or liquid to solid as the case may be
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