The Elements of Chemistry: a Text-Book for Beginners
The Elements of Chemistry: a Text-Book for Beginners
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In our eReader you can find the full English version of the book. Read The Elements of Chemistry: a Text-Book for Beginners 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 The Elements of Chemistry: a Text-Book for Beginners
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Sulphur Dioxide, SO a . — This compound is formed by burning sulphur in the air or in oxygen. It issues from volcanoes in large quantities. It is best prepared by heat- ing copper with sulphuric acid. We should naturally expect the copper simply to take the place of the hydrogen of the acid, thus: Cu + H a S0 4 = CuS0 4 + 2H.
; 1 Digitized by VjOOQIC Probably this action takes place first. But the hydrogen 10 146 THE ELEMENTS OF CHEMISTRY.
acts upon the sulphuric acid, reducing it and forming s...ul- phur dioxide: H a S0 4 + 2H = 2H,0 + SO,.
[Compare the action of copper on sulphuric acid with that of copper on nitric acid. What analogy-is there be- tween the two cases?] Experiment 95. — Put eight or ten pieces of sheet-copper, one to two inches long and about half an inch wide, into a 500-cc.
flask; pour 15 to 20 cc. concentrated sulphuric acid upon it On heating, sulphur dioxide will be evolved. The moment the gas begins to come off, lower the flame, and keep it at such a height that the evolution is regular and not too active.
What to read after The Elements of Chemistry: a Text-Book for Beginners?
You can find similar books in the "Read Also" column, or choose other free books by Ira Remsen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Sulphur Dioxide, SO a . — This compound is formed by burning sulphur in the air or in oxygen. It issues from volcanoes in large quantities. It is best prepared by heat- ing copper with sulphuric acid. We should naturally expect the copper simply to take the place of the hydrogen of the acid, thus: Cu + H a S0 4 = CuS0 4 + 2H.
; 1 Digitized by VjOOQIC Probably this action takes place first. But the hydrogen 10 146 THE ELEMENTS OF CHEMISTRY.
acts upon the sulphuric acid, reducing it and forming s...ul- phur dioxide: H a S0 4 + 2H = 2H,0 + SO,.
[Compare the action of copper on sulphuric acid with that of copper on nitric acid. What analogy-is there be- tween the two cases?] Experiment 95. — Put eight or ten pieces of sheet-copper, one to two inches long and about half an inch wide, into a 500-cc.
flask; pour 15 to 20 cc. concentrated sulphuric acid upon it On heating, sulphur dioxide will be evolved. The moment the gas begins to come off, lower the flame, and keep it at such a height that the evolution is regular and not too active.
What to read after The Elements of Chemistry: a Text-Book for Beginners?
You can find similar books in the "Read Also" column, or choose other free books by Ira Remsen to read onlineMoreLess
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