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Chapter 18

Electrochemistry

איזון משואות חימזור
איזון משואות חימזור
Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or ...
כח אלקטרומניע
כח אלקטרומניע
Electricity is generated by either electrons or ions flowing through a solution or a conducting medium. This flow of electrons or specifically electrical ...
תאיים וולטיים/גלוונים
תאיים וולטיים/גלוונים
Spontaneous Chemical Reactions Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering ...
פוטנציאלי אלקטרודה סטנדרטית
פוטנציאלי אלקטרודה סטנדרטית
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 ...
פוטנציאל תא ואנרגיה חופשית
פוטנציאל תא ואנרגיה חופשית
Thermodynamics of a Redox Reaction Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an ...
משוואת נרנסט
משוואת נרנסט
Nonstandard Reaction Conditions The interconnection between standard cell potentials and various thermodynamic parameters such as the standard free energy ...
תאי ריכוזים
תאי ריכוזים
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 ...
סוללות ותאי דלק
סוללות ותאי דלק
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 ...
קורוזיה
קורוזיה
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green ...
אלקטרוליזה
אלקטרוליזה
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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