Primary and secondary batteries, fuel cells1. Introduction to BatteriesA battery is an electrochemical device that converts chemical energy into electrical energy.Batteries are classified as primary (non-rechargeable) or secondary (…
Electrolysis, applications, Faraday’s laws of electrolysisElectrolysis is a process where electrical energy is used to drive a non-spontaneous chemical reaction.Occurs in an electrolytic cell, which consists of two electrodes immersed in an electrolyte…
Galvanic cells, electrolytic cells, cell potential1. Introduction to Electrochemical CellsElectrochemical cells convert chemical energy into electrical energy or vice versa.They are classified into two types: Galvanic cells (voltaic cells) and…
Concept of oxidation number, balancing redox reactions1. Introduction to Redox ReactionsRedox reactions involve both oxidation (loss of electrons) and reduction (gain of electrons).The term oxidation originally referred to the addition of oxygen, while…