The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 páginas |
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Página 2
... yields mercury and oxygen . * HgO 216 = Hg + O = 200 + 16 * For the explanation of these symbols a larger work must be con- sulted . See p . 13 of Roscoe's " Elementary Chemistry . " Place a small quantity of mercuric oxide in a dry ...
... yields mercury and oxygen . * HgO 216 = Hg + O = 200 + 16 * For the explanation of these symbols a larger work must be con- sulted . See p . 13 of Roscoe's " Elementary Chemistry . " Place a small quantity of mercuric oxide in a dry ...
Página 3
... yields potassium chloride and oxygen : KCIO3 KCl + 03 . = 122'6 = 74.6 + 48 . Place a few crystals of potassium ... yield potassium nitrate and silver chloride : KCl + AgNO3 == KNO , + AgCl . 74.6 + 170 = IOII 143'5 . Dissolve a crystal ...
... yields potassium chloride and oxygen : KCIO3 KCl + 03 . = 122'6 = 74.6 + 48 . Place a few crystals of potassium ... yield potassium nitrate and silver chloride : KCl + AgNO3 == KNO , + AgCl . 74.6 + 170 = IOII 143'5 . Dissolve a crystal ...
Página 6
... yield carbon dioxide : C + O2 = CO2 . 12 + 32 = 44 . Hydrogen and oxygen yield water : H2 + 0 = H2O . 2 + 16 = 18 . Place a small piece of taper on an iron wire support , light it , and plunge it into one of the jars of oxygen ...
... yield carbon dioxide : C + O2 = CO2 . 12 + 32 = 44 . Hydrogen and oxygen yield water : H2 + 0 = H2O . 2 + 16 = 18 . Place a small piece of taper on an iron wire support , light it , and plunge it into one of the jars of oxygen ...
Página 7
... yield sulphur dioxide : S + O2 32 + 32 = SO 2 . 64 . = Place a few pieces of sulphur in the deflagrating spoon , heat until the sulphur is melted and takes fire , and then plunge it into a jar of oxygen . Observe that the sulphur ...
... yield sulphur dioxide : S + O2 32 + 32 = SO 2 . 64 . = Place a few pieces of sulphur in the deflagrating spoon , heat until the sulphur is melted and takes fire , and then plunge it into a jar of oxygen . Observe that the sulphur ...
Página 8
... yield phosphorus pentoxide : P2 + 05 62 + 80 P205 . = 142 . When the oxygen has been collected over water , there is always enough moisture in the gas - jar to unite with the pentoxide , and form a solution of phosphoric acid ( H , PO4 ) ...
... yield phosphorus pentoxide : P2 + 05 62 + 80 P205 . = 142 . When the oxygen has been collected over water , there is always enough moisture in the gas - jar to unite with the pentoxide , and form a solution of phosphoric acid ( H , PO4 ) ...
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Términos y frases comunes
acetic acid added AgNO3 alkaline ammonia ammonium antimony aqua regia arsenic barium black precipitate blue colour boiling borax bromide brown calcium carbon dioxide charcoal splinter chloride cipitate compounds conducting tube copper Crown 8vo crucible crystals decomposed dilute solutions dissolved distilled drop Edition evaporate Fcap filter filtrate flask fused glass grams group reagents H₂O H₂S hydrate hydrochloric acid hydrogen insoluble iodide iodine iron liquid manganese manganese dioxide mercury metallic mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitric acid numerous Illustrations observe obtained oxalic acid oxygen phosphorus platinum porcelain potassium chlorate powder produces a precipitate produces a white Professor reaction reducing flame residue salt silver chloride silver nitrate sodium sodium carbonate solu soluble soluble in excess soluble in HCl soluble in HNO3 substance sulphate sulphide sulphuric acid tartaric acid tion violet wash Weigh white precipitate yellow precipitate yields zinc
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