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Capitolo 18

Elettrochimica

Bilanciamento delle equazioni Redox
Bilanciamento delle equazioni Redox
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or ...
Forza elettromotiva
Forza elettromotiva
Electricity is generated by either electrons or ions flowing through a solution or a conducting medium. This flow of electrons or specifically electrical ...
Celle Voltaiche / Galvaniche
Celle Voltaiche / Galvaniche
Spontaneous Chemical Reactions Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering ...
Potenziali elettrodi standard
Potenziali elettrodi standard
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 ...
Potenziale cellulare ed energia libera
Potenziale cellulare ed energia libera
Thermodynamics of a Redox Reaction Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an ...
L'equazione di Nernst
L'equazione di Nernst
Nonstandard Reaction Conditions The interconnection between standard cell potentials and various thermodynamic parameters such as the standard free energy ...
Celle di concentrazione
Celle di concentrazione
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 ...
Batterie e celle a combustibile
Batterie e celle a combustibile
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 ...
Corrosione
Corrosione
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green ...
Elettrolisi
Elettrolisi
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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