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Cambridge IGCSE chemistry

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  1. States of matter
    States of matter
    3 Topics
  2. Changing state
    4 Topics
  3. Diffusion
    4 Topics
  4. Atoms, elements and compounds
    Elements, compounds and mixtures
  5. Atomic structure and the Periodic Table
  6. Isotopes
  7. Ions and ionic bonds
  8. Simple molecules and covalent bonds
  9. Giant covalent structures
  10. Metallic bonding
  11. Stoichiometry
    Formulas of compounds
    3 Topics
    |
    1 Quiz
  12. Chemical equations
    5 Topics
  13. Relative atomic and molecular mass
    2 Topics
  14. Moles
    2 Topics
  15. Calculating masses in reactions
    3 Topics
  16. Percentage yield and percentage purity
    2 Topics
  17. Empirical and molecular formulae
    2 Topics
  18. Moles and concentration
    2 Topics
  19. Calculating gas volumes

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Cambridge IGCSE chemistry Changing state Boiling and evaporation
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Lesson 2, Topic 2
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Boiling and evaporation

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Boiling

  • Boiling and evaporation are both changes of state that involve a liquid changing to a gas

  • Boiling happens when a liquid is heated to its boiling point

Evaporation

  • Evaporation can happen at temperatures lower than the liquids boiling point

  • More energetic particles that are near the surface of the liquid can escape and become gas particles