The Standard Hydrogen Half Cell
The standard hydrogen half cell, consists of hydrogen gas at 100kPa in contact with a platinum electrode which is dipped into an acidic solution (e.g. HCl) containing 1 moldm-3 of H+ ions at 298K.

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More in Electrochemistry
- Oxidation and Reduction
- Ionic Equations
- Electrochemical Half Cells
- Electrochemical Cells
- Standard Electrode Potential Eθ and the Electrochemical Series
- Calomel Electrode
- Standard Cell Potentials Eθcell Values and Electrochemical Cells
- Non-Standard Conditions
All 14 lessons in Electrochemistry · All AQA A-level Chemistry topics