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TEC 2º - Changes of state and kinetic theory

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  • What is the name for the change of state from a liquid to a gas?
    Evaporation
  • What is the name for the change of state from a gas to a liquid?
    Condensation
  • Melting is the name for the change of state from a solid to what ?
    Liquid
  • When do regressive changes occur?
    When a substance is cooled
  • Freezing is the change of state from a liquid to what?
    Solid
  • What do we call the temperature that a substance must reach for evaporation / boiling
    The boiling point
  • What is the name for the change of state from a solid to a gas?
    Sublimation
  • True or False: Heat applied strengthens the bonds between the particles of a solid
    False, it breaks the bonds
  • True or False: Heat makes particles move faster, increasing the temperature
    True!
  • When do progressive changes happen?
    When a substance is is heated
  • Desublimation is the change of states of what substances?
    From a gas to a solid