The Oceans and Electrolytes

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The chemical composition of the ocean implies its potential role as an electrolyte

Students learn to:

• identify the origins of the minerals in oceans as:
  • leaching by rainwater from terrestrial environments
  • hydrothermal vents in mid-ocean ridges
• outline the role of electron transfer in oxidation-reduction reactions
• identify that oxidation-reduction reactions can occur when ions are free to move in liquid electrolytes
• describe the work of Galvani, Volta, Davy and Faraday in increasing understanding of electron transfer reactions

Students:

• process information from secondary sources to outline and analyse the impact of the work of Galvani, Volta, Davy and Faraday in understanding electron transfer reactions

Extract from Chemistry Stage 6 Syllabus (Amended October 2002). © 2009, Board of Studies NSW.