Introduction to Galvanic Cells & Voltaic Cells

This chemistry video tutorial provides a basic introduction into electrochemical cells such as galvanic cells also known as voltaic cells. A galvanic cell is device such as a battery which converts chemical energy into electrical energy. A galvanic is made using two electrodes known as the anode and the cathode. Oxidation occurs at the anode and reduction occurs in the cathode. The electrons are written on the right of an oxidation half-reaction and they are located on the left side of a reduction half-reaction. Oxidation involves the loss of electrons and reduction is associated with the gain of electrons. Electrons always flow from the anode to the cathode. The purpose of the salt bridge is to prevent the build up of charge. Cations flow through the salt bridge toward the cathode and anions flow toward the anode. This electrochemistry explains completely how a galvanic cell works. It discusses how to write the overall reaction from the half reactions and how to represent the cell using standard line notation or cell notation. The electromotive force of a galvanic cell is measured in volts and 1 volt is 1 joule per coulomb. Voltage represents the work that can be done per coulomb of electric charge. Electric current is the rate at which electric charge is transferred. This video discusses how to increase the voltage and current delivered by a galvanic cell.

Intro to Galvanic & Voltaic Cells:
   • Introduction to Galvanic Cells & Volt...  

How To Draw Galvanic Cells:
   • How To Draw Galvanic Cells and Voltai...  

Standard Reduction Potentials:
   • Standard Reduction Potentials of Half...  

Cell Potential Problems:
   • Cell Potential Problems - Electrochem...  

Cell Notation Problems:
   • Cell Notation Practice Problems, Volt...  

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Concentration Cells:
   • Concentration Cells & Cell Potential ...  

Cell Potential & Gibbs Free Energy:
   • Cell Potential & Gibbs Free Energy, S...  

Cell Potential & Equilibrium K:
   • Equilibrium Constant K & Cell Potenti...  

Nernst Equation:
   • Nernst Equation Explained, Electroche...  

Electrolysis of Water:
   • Electrolysis of Water - Electrochemistry  

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Electrolysis of Sodium Chloride:
   • Electrolysis of Sodium Chloride - Ele...  

Electrolysis & Electroplating Problems:
   • Electrolysis & Electroplating Practic...  

Electrochemistry Practice Problems:
   • Electrochemistry Practice Problems - ...  

SAT Chemistry Subject Test Review:
   • SAT Chemistry Subject Test  

Carbon -14 Dating:
   • Carbon 14 Dating Problems  - Nuclear ...  

Beer Lambert's Law:
   • Beer Lambert's Law, Absorbance & Tran...  

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