The New ChemistryD. Appleton and Company, 1897 |
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Pagina xiv
... symbols stand for the atoms , with their invariable relative weights ; molecules are represented by writing together the sym- bols of the atoms of which they consist , indicating the number of atoms of each kind by a subscript Arabic ...
... symbols stand for the atoms , with their invariable relative weights ; molecules are represented by writing together the sym- bols of the atoms of which they consist , indicating the number of atoms of each kind by a subscript Arabic ...
Pagina xv
... symbols has been described , it becomes evident that our chemical equations not only accurately represent the relations of a chemical process , but also that they are constant declarations of the three great fundamental laws of ...
... symbols has been described , it becomes evident that our chemical equations not only accurately represent the relations of a chemical process , but also that they are constant declarations of the three great fundamental laws of ...
Pagina xix
... SYMBOLS . 119 138 VIII . CHEMICAL REACTIONS IX . CHEMICAL CHANGES CLASSIFIED 165 · 191 X. THE THEORY OF COMBUSTION 216 • XI . GUNPOWDER AND NITRO - GLYCERINE XII . METATHESIS AND QUANTIVALENCE - ALKALIES AND ACIDS . XIII . ELECTRO ...
... SYMBOLS . 119 138 VIII . CHEMICAL REACTIONS IX . CHEMICAL CHANGES CLASSIFIED 165 · 191 X. THE THEORY OF COMBUSTION 216 • XI . GUNPOWDER AND NITRO - GLYCERINE XII . METATHESIS AND QUANTIVALENCE - ALKALIES AND ACIDS . XIII . ELECTRO ...
Pagina 100
... symbol of a substance stands for one . molecule , and in using these symbols to represent chemi- cal changes reactions , as we call them — we always ex- press the reaction as taking place between the individ- ual molecules of the ...
... symbol of a substance stands for one . molecule , and in using these symbols to represent chemi- cal changes reactions , as we call them — we always ex- press the reaction as taking place between the individ- ual molecules of the ...
Pagina 137
... , how can you determine the weight of the atom of an element ? This is a very important question for our chemical philosophy , and I will endeavor to answer it in the next lecture . LECTURE VII . ATOMIC WEIGHTS AND CHEMICAL SYMBOLS . As 11.
... , how can you determine the weight of the atom of an element ? This is a very important question for our chemical philosophy , and I will endeavor to answer it in the next lecture . LECTURE VII . ATOMIC WEIGHTS AND CHEMICAL SYMBOLS . As 11.
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Termeni și expresii frecvente
acetic ether aëriform alcohol alizarine alkali atom of oxygen atomic weights atoms of hydrogen burning butyric acid called carbonic dioxide charcoal chemical change chemical processes chemist chemistry chlorine color combustion compounds condition consists contain copper criths cubic cubic centimetres cules definite proportions density effect elementary substances elements equal ether evidence example experiment facts flame gases glass grammes heat of formation Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms Illustrations iron lecture light liquid litre magnet mass material metallic microcriths mole molecular structure molecular weight molecule of water molecules nitric nitric acid nitro-glycerine nitrogen nitrous oxide notice obtained oxygen oxygen gas particles phenomena polarized poles potassic pounds pressure principle quantity quantivalence radical reaction relations result salt simple sodic sodium solid solution specific gravity stances sugar sulphur symbols temperature tension theory tion vapor volatile volume wholly
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