Elements of Chemistry: Theoretical and Practical, Parte2Green, Reader, and Dyer, 1864 |
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Página 18
... remains in the retort when the operation is over . The change may be thus represented in symbols : 2KCl03 = 2KCl + 302 . 4. When the quantities of chlorate employed are rather large , the heat required is apt to soften the glass of the ...
... remains in the retort when the operation is over . The change may be thus represented in symbols : 2KCl03 = 2KCl + 302 . 4. When the quantities of chlorate employed are rather large , the heat required is apt to soften the glass of the ...
Página 19
... remains in the retort : - 2 Zn ᎦᎾ , = 2 Zn Ꮎ + 2 ᎦᎾ , + Ꮎ . Peroxide of barium was also proposed by Boussingault as a source of oxygen . He hoped alternately to convert baryta into the peroxide , by heating it to dull redness in a ...
... remains in the retort : - 2 Zn ᎦᎾ , = 2 Zn Ꮎ + 2 ᎦᎾ , + Ꮎ . Peroxide of barium was also proposed by Boussingault as a source of oxygen . He hoped alternately to convert baryta into the peroxide , by heating it to dull redness in a ...
Página 34
... remains in the solution after the experiment is again determined by the solution of oxalic acid . The difference in the quantity of lime before and after its action upon the air enables the operator to calculate the proportion of ...
... remains in the solution after the experiment is again determined by the solution of oxalic acid . The difference in the quantity of lime before and after its action upon the air enables the operator to calculate the proportion of ...
Página 72
... remains behind , and constitutes coke , which is the only one of the products that will be noticed at present . Coke is , chemically , the same substance as the graphite deposited from the gas , but in a less pure form , owing to the ...
... remains behind , and constitutes coke , which is the only one of the products that will be noticed at present . Coke is , chemically , the same substance as the graphite deposited from the gas , but in a less pure form , owing to the ...
Página 81
... remains in the retort mixed with the metallic oxide , and the carbonic oxide gas after being washed with water containing slaked lime in suspension , with a view to absorb any undecomposed carbonic anhydride , may be collected over ...
... remains in the retort mixed with the metallic oxide , and the carbonic oxide gas after being washed with water containing slaked lime in suspension , with a view to absorb any undecomposed carbonic anhydride , may be collected over ...
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Términos y frases comunes
absorbed action alkalies aluminum ammonia ammonium anhydrous arsenic atmosphere atoms barium becomes bisulphide boiling bromine burns calcium carbonate of sodium carbonic anhydride carbonic oxide caustic charcoal chlorate chloric acid chloride chromium cobalt colour colourless combination combustion composition compound condensed contains converted cool copper crystalline crystals cyanogen decomposed decomposition deposited diluted dissolved distilled evaporation excess expelled flame formed fumes fused gaseous gases glass H₂ H₂O hydrate hydrate of potash hydrochloric acid hydrogen ignited insoluble iodide iodine iron lime liquid magnesium manganese mass melted mercury metal mixed mixture nitrate nitric acid nitrogen nitrous obtained odour oil of vitriol oxalate oxide oxygen peroxide phosphate phosphorus platinum potassium powder precipitate produced proportion protoxide pure red heat retort salt sesquioxide silica silicon silver small quantity sodium soluble in water solution sulphide sulphuretted hydrogen sulphuric acid sulphurous anhydride tellurium temperature tion tube vapour volatile volume weight whilst yellow zinc