Experimental chemistry, founded on the work [Principles of chemistry] of J.A. Stöckhardt |
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Page x
... vapour Distillation Diffusion of heat Conduction . Convection . Ventilation Radiation Formation of dew Solution and crystallization PRESSURE Pressure of the atmosphere Barometer Elasticity of gases Correction for pressure Variations of ...
... vapour Distillation Diffusion of heat Conduction . Convection . Ventilation Radiation Formation of dew Solution and crystallization PRESSURE Pressure of the atmosphere Barometer Elasticity of gases Correction for pressure Variations of ...
Page 6
... vapour or gas , and heat and light are thereupon evolved with the phenomenon of fire . Of a similar nature are the changes which animal and vegetable substances undergo if kept for a sufficient length of time ; they are gradually ...
... vapour or gas , and heat and light are thereupon evolved with the phenomenon of fire . Of a similar nature are the changes which animal and vegetable substances undergo if kept for a sufficient length of time ; they are gradually ...
Page 37
... vapour , the vapour has all the properties of a true gas . In fact , some substances are known which are liquid in cold weather and gaseous in hot . Gases which become liquid at ordinary temperatures are generally called vapours . The ...
... vapour , the vapour has all the properties of a true gas . In fact , some substances are known which are liquid in cold weather and gaseous in hot . Gases which become liquid at ordinary temperatures are generally called vapours . The ...
Page 38
... vapour is dis- turbed , on account of the formation of drops of water , so small and light as to float in the air . Clouds also consist of this partly - condensed vapour . As the condensation increases , the drops become so large and ...
... vapour is dis- turbed , on account of the formation of drops of water , so small and light as to float in the air . Clouds also consist of this partly - condensed vapour . As the condensation increases , the drops become so large and ...
Page 40
... Vapour . - Water exposed in a vessel to the open air disappears in summer more rapidly than in winter ; the heat of the air converts it into gas - it evaporates . The same happens as in evaporation over the fire , only in the former ...
... Vapour . - Water exposed in a vessel to the open air disappears in summer more rapidly than in winter ; the heat of the air converts it into gas - it evaporates . The same happens as in evaporation over the fire , only in the former ...
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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...