A-level Chemistry/OCR (Salters)/The Oceans

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The Oceans is the twelfth unit in the Salters Advanced Chemistry course.

Chemical Storylines sections[edit]

  • O1: The edge of the land
  • O2: Wider still and deeper
  • O3: Oceans of energy
  • O4: A safe place to grow
  • O5: Summary

Chemical Ideas sections[edit]

  • 5.1 Ions in solids and solutions (revision)
  • 3.2 The size of ions
  • 4.5 Energy changes in solution
  • 4.6 Born-Haber cycles
  • 4.4 Energy, entropy and equilibrium
  • 5.4 Forces between molecules: hydrogen bonding (revision)
  • 7.1 Chemical equilibrium (revision)
  • 7.2 Equilibria and concentrations (revision)
  • 8.1 Acid-base reactions (revision)
  • 7.7 Solubility equilibria
  • 11.2 The s block: Groups 1 and 2 (revision)
  • 8.2 Weak acids and pH
  • 8.3 Buffer solutions

Activities[edit]

  • O1.1 What is the relationship between a solvent and the substances that dissolve in it?
  • O1.2 What changes occur when an ionic solid dissolves?
  • O1.3 What factors affect the enthalpy change of formation of an ionic compound?
  • O3.1 The enthalpy change of vaporisation of water
  • O3.2 What crystals form when a solution is cooled?
  • O4.1 Finding out more about weak acids
  • O4.2 Investigating some buffer solutions
  • O5 Check your notes on The Oceans

External links[edit]