Electrochemical Cells

Added by Sam Holyman on Dec 15, 2008

This model shows that when two different half-cells are connected with a salt bridge and wire then a current will flow through the circuit. This current is measured using an ammeter and combinations of different half-cells produce different current measurements.

This item teaches:

  • how cells are used to measure electrode potentials
  • about reversible, irreversible and fuel cells as different types of electrochemical cells
  • about the process of electrolysis
  • the effect of passing an electric current through dissolved or molten ionic substances
  • about the convention for representing electrochemical cells
  • the relationship between the reactivity of the elements in a mixture and the products formed by the mixture during electrolysis
  • about the movement of ions in dissolved or melted ionic substances

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