A Treatise on the Principles of ChemistryUniversity Press, 1889 - 490 pages |
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Common terms and phrases
acetic acid action affinity alcohol allotropy Annalen applied aqueous solution atomic heat atomic weights atoms of carbon atoms of hydrogen Avogadro's law benzene beryllium Berzelius bodies bromine C. S. Journal carbon carbon atoms carbon compounds chemical change chemistry chemists Chim chlorine combine composed composition conception connexion containing COOH crystalline cules definite determined dilute directly interact dissociation divalent electrolyte elements energy equilibrium equivalent expressed fluorine formula gaseous molecules gases generalisations gram-units H₂O hence hydrated hydrogen atoms hypothesis iodine isomerides isomerism liquid mass metals method mole molecular weight monovalent atoms neutralisation nitric acid nitrogen number of atoms oxide oxygen oxygen atom phenomena phosphorus physical potassium produced properties radicles reacting reactions regarded represented salts shew shewn sodium solid specific gravity specific heat structural formulæ substance sulphate sulphuric acid tellurium temperature tetravalent theory thermal value trivalent valency van't vapour volume zinc
Popular passages
Page 16 - to the contrary. 2nd. When two combinations are observed they must be presumed to be a binary and a ternary. 3rd. When three combinations are obtained, we may expect one to be a binary, and the other two ternary. 4th. When four combinations are
Page 402 - 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 133 - By the classification of any series of objects is meant the actual, or ideal, arrangement together of those which are like and the separation of those which are unlike; the purpose of this arrangement being, primarily, to disclose the correlations or laws of union of properties or circumstances, and, secondarily, to facilitate the operations of the mind in clearly conceiving and retaining in the memory the
Page 34 - in explaining phenomena does not depend on the ingenuity with which its contrivers 'save appearances' by introducing first one hypothetical force and then another. When the vortex atom is once set in motion all its properties are absolutely fixed, and determined by the laws of motion of the primitive fluid which are fully expressed in the fundamental equation.
Page 124 - powers, which place bodies in the relations of positive and negative, ie which render them attractive of each other electrically, and capable of communicating attractive powers to other matter, may likewise render their particles attractive, and enable them to combine, when they have full freedom of motion.
Page 16 - ist. When only one combination of two bodies can be obtained, it must be presumed to be a binary one, unless some cause appears to the contrary.
Page 24 - two volumes of hydrogen unite with one volume of oxygen to form water, one volume of nitrogen unites with one volume of oxygen to form
Page 32 - 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."* This
Page 16 - solar system, or to annihilate one already in existence, as to create or destroy a particle of hydrogen. All th.e changes we can produce
Page 124 - That the decomposition of the chemical agents is connected with the energies of the pile, is evident from all the experiments that have been made ; as yet no sound objection has been urged against the theory that the contact of the metals destroys the electrical equilibrium, and that the chemical changes restore it; and, in