Chemistry for Students
Chemistry for Students
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In our eReader you can find the full English version of the book. Read Chemistry for Students Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Chemistry for Students
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Cupric Nitrate (Cu (N O 3 ) 2 ). This salt is formed by dissolving metallic copper in nitric acid. It is very soluble and crystallizes, sometimes with three molecules of water, sometimes with six molecules. It cannot be dried without decomposition. 216 CUPRIC SULPHA TE. 172 There are two chlorides of copper a white cuprous chlo- ride (Cu 2 Cl 2 ), which dissolves in hydrochloric acid, and a cupric chloride, which crystallizes from water in needle- shaped crystals of the composition CuCl 2 (H 2 ...O) 2 .
With iodine copper forms only one compound, viz. The cuprous iodide Cu 2 ! 2 ; and when cupric sulphate is mixed with potassic iodide this salt is precipitated, while iodine is liberated at the same time 2 Cu S O 4 + 4 K I = Cu 2 ! 2 + I 2 + 2 K 2 S O 4 .
Cupric sulphide is easily and completely thrown down as a black precipitate by the action of sulphuretted hydrogen on an acid solution of a salt of copper. There is also a cuprous sulphide Cu 2 S, which is formed during the pro- cess of smelting.
What to read after Chemistry for Students?
You can find similar books in the "Read Also" column, or choose other free books by Alexander W Alexander William Williamson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Cupric Nitrate (Cu (N O 3 ) 2 ). This salt is formed by dissolving metallic copper in nitric acid. It is very soluble and crystallizes, sometimes with three molecules of water, sometimes with six molecules. It cannot be dried without decomposition. 216 CUPRIC SULPHA TE. 172 There are two chlorides of copper a white cuprous chlo- ride (Cu 2 Cl 2 ), which dissolves in hydrochloric acid, and a cupric chloride, which crystallizes from water in needle- shaped crystals of the composition CuCl 2 (H 2 ...O) 2 .
With iodine copper forms only one compound, viz. The cuprous iodide Cu 2 ! 2 ; and when cupric sulphate is mixed with potassic iodide this salt is precipitated, while iodine is liberated at the same time 2 Cu S O 4 + 4 K I = Cu 2 ! 2 + I 2 + 2 K 2 S O 4 .
Cupric sulphide is easily and completely thrown down as a black precipitate by the action of sulphuretted hydrogen on an acid solution of a salt of copper. There is also a cuprous sulphide Cu 2 S, which is formed during the pro- cess of smelting.
What to read after Chemistry for Students?
You can find similar books in the "Read Also" column, or choose other free books by Alexander W Alexander William Williamson to read onlineMoreLess
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