The Owens College Junior Course of Practical ChemistryMacmillan and Company, 1887 - 201 sider |
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Resultat 1-5 av 29
Side 6
... hydrogen also unites with the oxygen , forming hydrogen monoxide ( water ) . Carbon and 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 ...
... hydrogen also unites with the oxygen , forming hydrogen monoxide ( water ) . Carbon and 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 ...
Side 8
... hydrogen phosphate ( tribasic phosphoric acid ) . Phosphorus and oxygen 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 ...
... hydrogen phosphate ( tribasic phosphoric acid ) . Phosphorus and oxygen 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 ...
Side 9
... hydrogen . By the action of acids on certain metals , such as zinc , magnesium , and iron , hydrogen gas is evolved , a salt of the metal with the particular acid employed , being formed at the same time , thus : Zinc and sulphuric acid ...
... hydrogen . By the action of acids on certain metals , such as zinc , magnesium , and iron , hydrogen gas is evolved , a salt of the metal with the particular acid employed , being formed at the same time , thus : Zinc and sulphuric acid ...
Side 10
... hydrogen form an explosive mixture . It is therefore necessary to wait until all the air has been expelled from the flask by the hydrogen . Before filling the jars , collect a test- tube full of the gas over the pneumatic trough , and ...
... hydrogen form an explosive mixture . It is therefore necessary to wait until all the air has been expelled from the flask by the hydrogen . Before filling the jars , collect a test- tube full of the gas over the pneumatic trough , and ...
Side 11
... hydrogen in air . Whenever hydrogen burns in air or in oxygen , water is produced . Hydrogen and oxygen yield water : H2 + 0 = = H2O 2 + 16 = 18 . Remove the conducting tube from the hydrogen flask above described ( but without removing ...
... hydrogen in air . Whenever hydrogen burns in air or in oxygen , water is produced . Hydrogen and oxygen yield water : H2 + 0 = = H2O 2 + 16 = 18 . Remove the conducting tube from the hydrogen flask above described ( but without removing ...
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Vanlige uttrykk og setninger
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
Populære avsnitt
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