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Kapitel 18

Elektrochemie

Ausgleich von Redoxgleichungen
Ausgleich von Redoxgleichungen
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or ...
Elektromotorische Kraft
Elektromotorische Kraft
Electricity is generated by either electrons or ions flowing through a solution or a conducting medium. This flow of electrons or specifically electrical ...
Voltaische/galvanische Zellen
Voltaische/galvanische Zellen
Spontaneous Chemical Reactions Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering ...
Standard-Elektrodenpotentiale
Standard-Elektrodenpotentiale
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox ...
Zellpotential und freie Energie
Zellpotential und freie Energie
Thermodynamics of a Redox Reaction Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an ...
Die Nernst-Gleichung
Die Nernst-Gleichung
Nonstandard Reaction Conditions The interconnection between standard cell potentials and various thermodynamic parameters such as the standard free energy ...
Konzentrations-Zellen
Konzentrations-Zellen
A concentration cell is a type of a  voltaic cell constructed by connecting two almost identical half-cells, both based on the same half-reaction and ...
Batterien und Brennstoffzellen
Batterien und Brennstoffzellen
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to ...
Korrosion
Korrosion
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green ...
Elektrolyse
Elektrolyse
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are ...
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