Explain why the reaction that takes place when copper carbonate is heated is called a decomposition reaction? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 因为它是一种物质经过加热分解为多种物质有一种物质生成两种或两种以上的物质的反应叫做分解反应.所以加热碱式碳酸铜被称作分解 ...
ammonium salt and alkali metal carbonate aqueous solution to form copper complexes. When boiled in water or heated in a strong alkali solution, brown copper oxide can be generated, which is decomposed into black copper oxide at 200°C. It is unstable in a hydrogen sulfide atmosphere and can ...
For example, as a catalyst of copper / alumina composition, by using copper carbonate impregnated with an aqueous solution of ammonia complexes of a porous alumina support, discharging any excess of impregnating solution, then the impregnated carrier is heated to a temperature above 80 ℃ to ...
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Many other oxyanions form complexes; these include copper(II) acetate, copper(II) nitrate, and copper(II) carbonate. Copper(II) sulfate forms a blue crystalline pentahydrate, the most familiar copper compound in the laboratory. It is used in a fungicide called the Bordeaux mixture.[63] Ball-...
cold cathode - a cathode that is a source of electrons without being heated electrode - a conductor used to make electrical contact with some part of a circuit electrolytic cell - a cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur othe...
PROBLEM TO BE SOLVED: To obtain copper oxide powder having a purity of ≥98.5%, high solubility in a plating liquid comprising an additive consisting of organic matter, and suitable as a copper plating material.;SOLUTION: Basic copper carbonate powder is heated and thermally decomposed, e.g...
Copper(II) acetate is prepared by treatment of copper(II) oxide, CuO, or copper(II) carbonate, CuCO3, with acetic acid, followed by crystallization: CuO + 2CH3COOH → (CH3COO)2Cu + H2O Toxicity Copper(II) acetate is moderately toxic by ingestion and possibly other routes of administration...
In total, 45.6 mg of copper nitrate trihydrate (99% Sigma-Aldrich) and 4.15 g of zinc nitrate hexahydrate (99%, Sigma-Aldrich) were dissolved in 30 ml of deionized water. After that, abovementioned solution was added to 100 ml of 0.2 M solution of sodium carbonate (99%...
Solid pieces are very slowly oxidized by air to give a green basic carbonate. Solid pieces become covered by a black oxide when heated in air. Insoluble in water. Reactivity Profile Copper combines violently with chlorine trifluoride in the presence of carbon [Mellor 2, Supp. 1, 1956]. Is ...