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ATARChemU3T2Flash
| Question | Answer |
|---|---|
| Oxidation | gain of oxygen, loss of hydrogen, loss of electrons or gain in oxidation number |
| Reduction | loss of oxygen, gain of hydrogen, gain of electrons or decrease in oxidation number |
| Oxidising agent | substance that is reduced |
| Reducing agent | substance that is oxidised |
| Voltaic/Galvanic cell | Uses chemical reactions to produce electricity. |
| Electrolytic cell | Uses electricity to produce chemical reactions. |
| standard hydrogen electrode (SHE) | the potential created by 1 mole of hydrogen ions at 100kPa H2 at 298K, which has the Eº value 0.00V |
| electromotive force (EMF) | The cell potential or electrode potential (E) which is measured by comparing it to a standard which is the standard hydrogen electrode (SHE). Also called Voltage or Potential Difference. |
| standard hydrogen electrode (SHE) | the potential created by 1 mole of hydrogen ions at 100kPa H2 at 298K, which has the Eº value 0.00V |
| Reductant | Reducing agent |
| Oxidant | Oxidising agent |