Experimental chemistry, founded on the work [Principles of chemistry] of J.A. Stöckhardt |
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Page 4
... cold . Very likely a white sediment will form , but this , which is owing to the presence of lead in the acid , will soon subside , and will do no harm . Take a strip of sheet copper , and another of zinc , not too large to go to the ...
... cold . Very likely a white sediment will form , but this , which is owing to the presence of lead in the acid , will soon subside , and will do no harm . Take a strip of sheet copper , and another of zinc , not too large to go to the ...
Page 10
... cold . There is now a great deal more of the solid in the solution than cold water could dissolve , but for some curious reason the excess does not immediately separate out . But take out the cork , and in a minute beautiful feathery ...
... cold . There is now a great deal more of the solid in the solution than cold water could dissolve , but for some curious reason the excess does not immediately separate out . But take out the cork , and in a minute beautiful feathery ...
Page 11
... stirring and cooling . The starch will combine with the iodine and form a beautiful blue colour . Experiment 6. - Dissolve in some cold water as much of the salt called copper sulphate ( blue vitriol ) as MATTER AND FORCE . 11.
... stirring and cooling . The starch will combine with the iodine and form a beautiful blue colour . Experiment 6. - Dissolve in some cold water as much of the salt called copper sulphate ( blue vitriol ) as MATTER AND FORCE . 11.
Page 16
... cold or heat , in water or in air , in greater or smaller quantities . This is combination or synthesis . 3. The causes of chemical changes and the laws according to which they take place . If chemical experiments are performed as they ...
... cold or heat , in water or in air , in greater or smaller quantities . This is combination or synthesis . 3. The causes of chemical changes and the laws according to which they take place . If chemical experiments are performed as they ...
Page 26
... cold . On this ac- count , in determining the density of bodies , regard should be paid to their temperature , and it has been agreed to consider 60 ° F. ( 15.5 ° C. ) ( Chap . III . ) as the mean temperature . In the more accurate ...
... cold . On this ac- count , in determining the density of bodies , regard should be paid to their temperature , and it has been agreed to consider 60 ° F. ( 15.5 ° C. ) ( Chap . III . ) as the mean temperature . In the more accurate ...
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Common terms and phrases
ammonia atom of hydrogen atomic weight become bleaching blue bodies boiling bottle bromine burn calcium called carbonic anhydride chemical action chemical force chemistry chlorate chloric acid chlorine Cl₂ cold water colour combine combustion common salt composition compounds condensed contains converted cooling copper cork crystals decomposed denote diad displaced dissolved earth electricity elements equal evaporation Experiment flame flask fluid formula fumes gases glass tube grains H₂ H₂O H₂SO half an ounce heat heavier hydrate hydrochloric acid hydrogen inches iodine iron lighter lime liquid measures melted mercuric chloride mercury metal molecule monad nitrate nitric acid nitrogen obtained odour oxide oxygen ozone phosphorus piece platinum potassium chlorate potassium iodide powder pressure produced quantity radical saltpetre sodium solid soluble solution specific gravity steam substances sulphate sulphide sulphuric acid sulphurous anhydride surface symbol takes place temperature test-tube tumbler unite vapour vessel vols volumes of hydrogen warm wire zinc
Popular passages
Page 19 - ... the accuracy of every chemical process, and ascertain the true composition of bodies by proving the weight of the compound to be equal to the weight of the substances which produce it. 32. Use of the Balance,-— The balance is to the chemist what the compass is to the mariner, and before its introduction as a means of verifying experiments, the whole science of Chemistry was a collection of disconnected and separate facts and theories. Until within a comparatively recent period it was supposed...