(iron is used in industry) and does not dissolve in nonoxidizing acids. Copper dissolves in nitric acid with the formation of Cu(NO3)2and nitrogen oxides, in hot concentrated H2SO4with the formation of CuSO4and SO2, and in hot dilute H2SO4upon passing air through the solution. All ...
In the experiment of copper reacting with nitric acid, the following phenomenon can be observed is: A. Produce hydrogen gas B. Produce carbon dioxide C. The solution turns blue D. The copper dissolves and no gas is produced 相关知识点: ...
(annealed); electrical resistivity 1.71 microhm-cm at 25°C; Poisson's ratio 0.33; melts at 1,083°C; vaporizes at 2,567°C; insoluble in water; dissolves in nitric acid and hot sulfuric acid; slightly soluble in hydrochloric acid; also soluble in ammonium hydroxide, ammonium carbonate and...
2. Copper dissolves in nitric acid.3. Copper reacts with oxygen in the air to form copper (II) oxide.2Cu(s)+O2(g)→2CuO(s) 4. Copper reacts with halogens to form copper halides of different colours, such as copper chloride (yellow-brown solid in anhydrous and blue-green solid in...
(annealed); electrical resistivity 1.71 microhm-cm at 25°C; Poisson's ratio 0.33; melts at 1,083°C; vaporizes at 2,567°C; insoluble in water; dissolves in nitric acid and hot sulfuric acid; slightly soluble in hydrochloric acid; also soluble in ammonium hydroxide, ammonium carbonate and...
Copper(II) oxide dissolves in mineral acids such as hydrochloric acid, sulfuric acid or nitric acid to give the corresponding copper(II) salts:CuO + 2 HNO3 → Cu(NO3)2 + H2O CuO + 2 HCl → CuCl2 + H2O CuO + H2SO4 → CuSO4 + H2OCopper(II) oxide reacts with concentrated alkali to...
production method electrolysis method takes metal copper as raw material and dissolves in concentrated sulfuric acid. The composition of the electrolyte is: Cu52.3 g/L, H2SO4 about 200g/L, electrolyte temperature 58.5 degrees C, cell voltage 0.33V, cathode current density 1.82 A/cm2. After ele...
production method electrolysis method takes metal copper as raw material and dissolves in concentrated sulfuric acid. The composition of the electrolyte is: Cu52.3 g/L, H2SO4 about 200g/L, electrolyte temperature 58.5 degrees C, cell voltage 0.33V, cathode current density 1.82 A/cm2. After ele...
Copper dissolves with an apparent valence number equal to unity and it is thought that copper(I) is stabilised in such solutions by complex formation. Copper extrusion sheaths can be removed from zirconium by anodic dissolution in such media without loss of zirconium or absorption of hydrogen by ...
Blue-green orthorhombic crystals; deliquescent; sublimes; readily dissolves in water, alcohols and dioxane.The trihydrate and hexahydrate are blue rhombohedral crystals; hygroscopic; density 2.32 g/cm3 (trihydrate), 2.07 g/cm3 (hexahydrate); melts at 114°C (trihydrate); trihydrate decomposes at 170...