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Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca ( OH) 2. It is a colorless crystal or white powder and is produced when quicklime ( calcium oxide) is mixed with water. Annually, approximately 125 million tons of calcium hydroxide are produced worldwide. [ 8]
The reaction of CaH 2 with water can be represented as follows: CaH 2 + 2 H 2 O → Ca(OH) 2 + 2 H 2. The two hydrolysis products, gaseous H 2 and Ca(OH) 2, are readily separated from the dried solvent. Calcium hydride is a relatively mild desiccant and, compared to molecular sieves, probably inefficient. [7]
Calcium oxide. E529 (acidity regulators, ...) Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Calcium oxide ( formula: Ca O ), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature.
An anhydrase is defined as an enzyme that catalyzes the removal of a water molecule from a compound, and so it is this "reverse" reaction that gives carbonic anhydrase its name, because it removes a water molecule from carbonic acid. In the lungs carbonic anhydrase converts bicarbonate to carbon dioxide, suited for exhalation.
Calcium hypochlorite. Cl [O-]. [Ca+2].Cl [O-] Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ?) Calcium hypochlorite is an inorganic compound with chemical formula Ca ( Cl O)2, also written as Ca (OCl)2. It is a white solid, although commercial samples appear yellow.
Calcium carbonate is the active ingredient in agricultural lime and is produced when calcium ions in hard water react with carbonate ions to form limescale. It has medical use as a calcium supplement or as an antacid, but excessive consumption can be hazardous and cause hypercalcemia and digestive issues.
Calcium acetate is a chemical compound which is a calcium salt of acetic acid. It has the formula Ca (C 2 H 3 O 2) 2. Its standard name is calcium acetate, while calcium ethanoate is the systematic name. An older name is acetate of lime. The anhydrous form is very hygroscopic; therefore the mono hydrate (Ca (CH 3 COO) 2 •H 2 O) is the common ...
Water-reactive substances[ 1] are those that spontaneously undergo a chemical reaction with water, as they are highly reducing in nature. [ 2] Notable examples include alkali metals, lithium through caesium, and alkaline earth metals, magnesium through barium . Some water-reactive substances are also pyrophoric, like organometallics and ...