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Electrochemistry

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Grade 12 Chemistry Mind Map on Electrochemistry, created by Harsukhman Dhillon on 15/04/2018.
Harsukhman Dhillon
Mind Map by Harsukhman Dhillon, updated more than 1 year ago
Harsukhman Dhillon
Created by Harsukhman Dhillon about 6 years ago
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Resource summary

Electrochemistry
  1. Galvanic cell
    1. Generates current
      1. Zinc - copper cell
        1. Batteries
          1. Lead storage battery
            1. Lithium Ion
              1. Nickel Cadmium
          2. Fuel cells
            1. involves oxidation of metal
            2. Corrosion
              1. Corrosion of Iron
                1. Moisture must be present for iron to rust as it acts as a salt bridge between the anodic and cathodic regions
                2. Prevention of Corrosion
                  1. Alloying
                    1. Mixing metals
                    2. Cathodic Protection
                      1. Used to protect steel in buried fuel tanks and pipelines
                  2. Cell potential
                  3. Redox Reactions
                    1. Reduction
                      1. Cathode
                        1. Half Reactions
                          1. Half reactions show the reactions at the electrodes. The number of electrons must be the same over two combined half reactions.
                            1. 2Cl --> Cl2 + 2e-
                              1. 2H + e --> H2
                                1. These equations combine to form: 2H + 2Cl --> H2 + Cl2
                                2. Standard Potential
                                  1. Le Chatelier's Principle
                            2. Oxidation
                              1. Anode
                              2. Stoichiometry
                                1. Faraday's Constant
                                  1. Nernst Equation
                                2. Salt Bridges
                                3. Electrolytic Cell
                                  1. Requires current
                                    1. Electrolysis
                                      1. Passing electrical current through an ionic substance
                                        1. Electrolysis of Water
                                          1. process used to split hydrogen and oxygen
                                          2. Commercial Electrolytic Process
                                            1. Producing Aluminum
                                              1. producing metal from its ore
                                              2. Electrorefining of Metals
                                                1. Purifying metals
                                                2. Metal Plating
                                                  1. plating a metal with a non - corrosive metal
                                                3. Sodium Chloride

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