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Galvanic (Voltaic) Electrochemical Cells

Key Concepts

  • Galvanic (Voltaic) Cell: converts chemical energy of oxidants and reductants into electrical energy

  • Electrodes: are conductors used to permit the flow of electrons in an electrochemical cell.
        One electrode is the anode, the other is the cathode.

  • Anode: Oxidation occurs at anode
        Anode disintegrates

  • Cathode:Reduction occurs at cathode
        Solid deposits on cathode

  • Salt bridge: allows for migration of ions to complete the electrical circuit

  • Electron Flow: from anode to cathode

  • Spontaneous Reaction: E0 for the galvanic cell is positive

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