Chemical kinetics is an area of chemistry that studies rates and mechanisms of chemical reactions.
Kinetic theory explains the behaviour of solids, liquids and gases and their state changes dependable upon motion of particles they are made of.
Knudsen number (Kn) is a dimensionless quantity used in fluid mechanics, defined by
where λ is mean free path and l is length.
Electrode of the first kind is a simple metal electrode immersed in a solution containing its own ion (e.g., silver immersed in a silver nitrate solution). The equilibrium potential of this electrode is a function of the concentration (more correctly of activity) of the cation of the electrode metal in the solution (see Nernst’s electrode potential equation).
Electrodes of the second kind are metal electrodes assembly with the equilibrium potential being a function of the concentration of an anion in the solution. Typical examples are the silver/silver-chloride electrode and the calomel electrode. The potential of the metal is controlled by the concentration of its cation in the solution, but this, in turn, is controlled by the anion concentration in the solution through the solubility product of the slightly soluble metal salt. Contrast with electrode of the first kind and electrode of the third kind.
Generalic, Eni. "Alicikli�ki spojevi." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
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