A Treatise on the Principles of ChemistryUniversity Press, 1884 - 488 pages |
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Common terms and phrases
acetic acetic acid action alcohol Annalen aqueous solution atomic heat atomic weights atoms of hydrogen Avogadro's law benzene beryllium Berzelius bromine C. S. Journal Trans calculated carbon atoms carbon compounds chemical affinity chemical change chemistry chemists Chim chloride combine containing cules decomposed decomposition definite determined directly dissociation electrical electrolysis elementary atoms elements energy equilibrium equivalent expression formation formula gaseous gases grams H₂ H₂O hence hydrated hydrochloric hydrochloric acid hydrogen peroxide hypothesis isomerism isomorphous liquid metals method mole molecular heats molecular weight molecules monovalent atoms nitric acid nitrogen obtained Ostwald oxide oxygen oxygen atom phenomena phosphorus Phys physical Pogg potassium probably produced properties radicles reacting reaction regarded relative affinities represented salts shew shewn sodium solid specific gravity specific heat substances sulphate sulphuric acid tellurium temperature tetravalent theory thermal value Thomsen tion valency vapour zinc
Popular passages
Page 9 - When any body exists in the elastic state, its ultimate particles are separated from each other to a much greater distance than in any other state; each particle occupies the centre of a comparatively large sphere, and supports its dignity by keeping all the rest, which by their gravity, or otherwise, are disposed to encroach upon it, at a respectful distance.
Page 10 - When three combinations are obtained, we may expect one to be a binary and the other two ternary. 4th. When four combinations are observed, we should expect one binary, two ternary, and one quaternary, &c.
Page 17 - Since two volumes of hydrogen unite with one volume of oxygen to form two volumes of water...
Page 345 - It will be remembered that, from the velocity of sound in a gas, the ratio of specific heat at constant pressure to that at constant volume...
Page 9 - When we attempt to conceive the number of particles in an atmosphere, it is somewhat like attempting to conceive the number of stars in the universe; we are confounded by the thought. But if we limit the subject, by taking a given volume of any gas, we seem persuaded that, let the divisions be ever so minute, the number of particles must be finite; just as in a given space of the universe the number of stars and planets cannot be infinite.
Page 392 - For the equilibrium of any isolated system it is necessary and sufficient that in all possible variations of the state of the system which do not alter its entropy, the variation of its energy shall either vanish or be positive.
Page 29 - A molecule is that minute portion of a substance which moves about as a whole, so that its parts, if it has any, do not part company during the motion of agitation of the gas.
Page 8 - An inquiry into the relative weights of the ultimate particles of bodies is a subject, as far as I know, entirely new ; I have lately been prosecuting this inquiry with remarkable success. The principle cannot be entered upon in this paper ; but I shall just subjoin the results, as far as they appear to be ascertained by my experiments.
Page 19 - It has also been found that two atoms of hydrogen combine with one atom of oxygen to form one molecule of water.
Page 9 - Chemical analysis and synthesis go no farther than to the separation of particles one from another, and to their reunion. No new creation or destruction of matter is within the reach of chemical agency. We might as well attempt to introduce a new planet into the solar system, or to annihilate one already in existence, as to create or destroy a particle of hydrogen.