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Chapter 18

Electrochemistry

موازنة معادلات أكسدة-اختزال
موازنة معادلات أكسدة-اختزال
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or ...
القوة الدافعة الكهربائية
القوة الدافعة الكهربائية
Electricity is generated by either electrons or ions flowing through a solution or a conducting medium. This flow of electrons or specifically electrical ...
الخلايا الفولتية / الجلفانية
الخلايا الفولتية / الجلفانية
Spontaneous Chemical Reactions Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering ...
جهد القطب القياسي
جهد القطب القياسي
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 ...
إمكانيات الخلية والطاقة الحرة
إمكانيات الخلية والطاقة الحرة
Thermodynamics of a Redox Reaction Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an ...
معادلة نرنست
معادلة نرنست
Nonstandard Reaction Conditions The interconnection between standard cell potentials and various thermodynamic parameters such as the standard free energy ...
خلايا التركيز
خلايا التركيز
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 ...
البطاريات وخلايا الوقود
البطاريات وخلايا الوقود
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 ...
التآكل
التآكل
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green ...
التحليل الكهربائي
التحليل الكهربائي
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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