Thermic reactions are
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Aluminothermic reaction — Aluminothermic reactions are exothermic chemical reactions using aluminium as the reducing agent at high temperature. The most prominent example is the thermite reaction.eg: Fe2O3 + 2Al = 2Fe + Al2O3 + HeatA common use of this reaction is the… … Wikipedia
Silicothermic reaction — Silicothermic reactions are thermic chemical reactions using silicon as the reducing agent at high temperature (800 1400°C). The most prominent example is the Pidgeon process for reducing magnesium metal from ores. Other processes include the… … Wikipedia
Carbothermic reaction — Carbothermic reactions are thermic chemical reactions which use carbon as the reducing agent at high temperature. The most prominent example is used in iron ore smelting … Wikipedia
Calciothermic reaction — Calciothermic reactions are thermic chemical reactions which use calcium metal as the reducing agent at high temperature. Calcium is one of the most potent reducing agents available, usually drawn as the strongest oxidic reductant in Ellingham… … Wikipedia
Redox — Illustration of a redox reaction Redox (portmanteau for reduction oxidation) reactions describe all chemical reactions in which atoms have their oxidation state changed. This can be either a simple redox process, such as the oxidation of carbon… … Wikipedia
dormancy — /dawr meuhn see/, n. the state of being dormant. [1780 90; DORM(ANT) + ANCY] * * * ▪ biology Introduction state of reduced metabolic activity adopted by many organisms under conditions of environmental stress or, often, as in winter, when… … Universalium
THERMIQUE — La thermique est la branche de la physique qui traite des échanges de chaleur accompagnés ou non d’échange de masse et de changement de phases. Elle peut donc être considérée comme partie intégrante de la thermodynamique des phénomènes… … Encyclopédie Universelle
Metabolism — Cell metabolism redirects here. For the journal, see Cell Metabolism. Structure of adenosine triphosphate, a central intermediate in energy metabolism Metabolism (from Greek: μεταβολή metabolē , change or Greek: μεταβολισμός metabolismos,… … Wikipedia
Cracking (chemistry) — In petroleum geology and chemistry, cracking is the process whereby complex organic molecules such as kerogens or heavy hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon carbon bonds in the… … Wikipedia
Shroud of Turin — The Shroud of Turin: modern photo of the face, positive left, negative right. Negative has been contrast enhanced. The Shroud of T … Wikipedia
