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Electrolysis

Electrolysis. Electrolysis . Process by which an electric current is passed through a substance to cause a chemical change. The chemical change is one in which the substance loses or gains an electron. Electrolysis.

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Electrolysis

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  1. Electrolysis

  2. Electrolysis • Process by which an electric current is passed through a substance to cause a chemical change. • The chemical change is one in which the substance loses or gains an electron.

  3. Electrolysis • The process uses an apparatus consisting of positive and negative electrodes which are separated from each other in a solution. • Electric current enters through the negatively charged electrode (cathode). • Positively charged parts of the solution travel to the cathode, combine with the electrons, and are transformed into neutral molecules. • The negatively charged parts of the solution travel to the positive electrode (anode) , give up electrons, and are transformed into neutral molecules.

  4. Electrolysis

  5. Electrolysis of Water • Water is split with electricity to produce hydrogen gas and oxygen gas.

  6. Electrolysis of Water

  7. Electrolysis of Copper Chloride

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