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Galvanic Cell definitions Flashcards

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Galvanic Cell definitions
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  • Galvanic Cell

    A type of electrochemical cell that generates electricity through spontaneous redox reactions.
  • Anode

    The negatively charged electrode where oxidation occurs, losing electrons and decreasing in mass over time.
  • Cathode

    The positively charged electrode where reduction occurs, gaining electrons and increasing in mass over time.
  • Redox Reaction

    A chemical reaction involving the transfer of electrons, comprising oxidation and reduction processes.
  • Salt Bridge

    A tube containing neutral ions that connects two half-cells, maintaining charge balance by neutralizing excess ions.
  • Standard Cell Potential

    The voltage difference between two electrodes in a galvanic cell, positive for spontaneous reactions.
  • Voltmeter

    A device that measures the voltage or electrical potential difference between two points in a circuit.
  • Electrode

    A conductor through which electricity enters or leaves a medium, such as the anode or cathode in a cell.
  • Neutral Ions

    Ions that do not exhibit acidic or basic properties, used in salt bridges to maintain charge neutrality.
  • Spontaneous Reaction

    A reaction that occurs naturally under given conditions, often with a positive cell potential.
  • Equilibrium

    A state where a galvanic cell has used all its electricity, with no net change in reactants or products.
  • Gibbs Free Energy

    A thermodynamic quantity representing the amount of energy available to do work, negative for spontaneous reactions.
  • Entropy

    A measure of disorder or randomness in a system, increasing in spontaneous processes.
  • Equilibrium Constant

    A ratio of product concentrations to reactant concentrations at equilibrium, greater than 1 for spontaneous reactions.
  • Conductive Wire

    A medium through which electrons flow from the anode to the cathode, generating electricity.