Experimental chemistry, founded on the work [Principles of chemistry] of J.A. Stöckhardt |
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Page 6
... cooling and sedative . Search must be made in the air for the oil and wood which have disappeared during combustion ; both these substances are converted into vapour or gas , and heat and light are thereupon evolved with the phenomenon ...
... cooling and sedative . Search must be made in the air for the oil and wood which have disappeared during combustion ; both these substances are converted into vapour or gas , and heat and light are thereupon evolved with the phenomenon ...
Page 11
... to starch , 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.
... to starch , 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 28
... cooling . But the amount of expansion is very different in different bodies at the same temperature ; alcohol , for example , ex- pands two and a half times more , mercury two and a half times less , than water . When fluids are to be ...
... cooling . But the amount of expansion is very different in different bodies at the same temperature ; alcohol , for example , ex- pands two and a half times more , mercury two and a half times less , than water . When fluids are to be ...
Page 31
... cooling they contract and bind the wood - work together with great force . A metallic disk , which , when red- hot , fits exactly into a circular box , will , on cooling , become loose , and shake in it . The tire and the disk both ...
... cooling they contract and bind the wood - work together with great force . A metallic disk , which , when red- hot , fits exactly into a circular box , will , on cooling , become loose , and shake in it . The tire and the disk both ...
Page 32
... cooled by the cold water , the expanded particles at once contracted , and more rapidly in the external particles than in those of the inner surface , causing the frac- ture of the glass , and the more easily the greater its thick- ness ...
... cooled by the cold water , the expanded particles at once contracted , and more rapidly in the external particles than in those of the inner surface , causing the frac- ture of the glass , and the more easily the greater its thick- ness ...
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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...