The Study of Chemical Composition: An Account of Its Method and Historical Development, with Illustrative QuotationsUniversity Press, 1904 - 650 էջ |
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Այլ խմբագրություններ - View all
The Study of Chemical Composition: An Account of Its Method and Historical ... Ida Freund Ամբողջությամբ դիտվող - 1904 |
The Study of Chemical Composition: An Account of Its Method and Historical ... Ida Freund Ամբողջությամբ դիտվող - 1904 |
Common terms and phrases
according affinity alcohol alkali ammonia ammonium ammonium chloride amount atomic heat atomic weight Berthollet Berzelius calcination calculated calx carbonic acid chemical chemistry chemists chloride combining weight combustion composition compounds constituent containing copper Dalton deduced density determined earth elementary elements equal equivalent error existence experimental experiments fact formulae gaseous gases heat capacity Hence hydrochloric acid hydrogen hypothesis inference investigations iodate iodide iodine isomerism isomorphous Lavoisier lead mass matter means measured mercury metal method molecular weight molecules nature nitrate nitric acid nitrogen nitrous number of atoms observed obtained oxide oxygen particles periodic law phenomena phlogiston phosphorus physical potash potassium potassium chloride principle produced properties quantities radicle ratio recognised relation represented rhombic salts silver silver chloride silver iodide simple sodium solution specific heat Stas substances sulphate sulphide sulphuric acid temperature theory tion valency vessel volume whilst whole numbers
Սիրված հատվածներ
Էջ 262 - ... and to the discovery of middle axioms. And this way is now in fashion. The other derives axioms from the senses and particulars, rising by a gradual and unbroken ascent, so that it arrives at the most general axioms last of all. This is the true way, but as yet untried.
Էջ 282 - While the particles continue entire, they may compose bodies of one and the same nature and texture in all ages ; but should they wear away or break in pieces, the nature of things depending on them would be changed.
Էջ 282 - ... even so very hard as never to wear or break in pieces; no ordinary power being able to divide what God himself made one in the first creation.
Էջ 281 - I do not here consider. What I call attraction may be performed by impulse, or by some other means unknown to me. I use that Word here to signify only in general any Force by which Bodies tend towards one another, whatsoever be the Cause.
Էջ 281 - Have not the small particles of bodies certain powers, virtues, or forces by which they act at a distance, not only upon the rays of light for reflecting, refracting, and inflecting them, but also upon one another for producing a great part of the phenomena of nature?
Էջ 261 - Now the true and lawful goal of the sciences is none other than this: that human life be endowed with new discoveries and powers.
Էջ 263 - But the induction which is to be available for the discovery and demonstration of sciences and arts must analyse nature by proper rejections and exclusions, and then, after a sufficient number of negatives, come to a conclusion on the affirmative instances...
Էջ 263 - But in establishing axioms by this kind of induction, we must also examine and try whether the axiom so established be framed to the measure of those particulars only from which it is derived, or whether it be larger and wider. And if it be larger and wider, we must observe whether by indicating to us new particulars it confirm that wideness and largeness as by a collateral security...
Էջ 294 - In all chemical investigations. it has justly been considered an important object to ascertain the relative weights of the simples which constitute a compound. But unfortunately the enquiry has terminated here; whereas from the relative weights in the mass, the relative weights of the ultimate particles or atoms of the bodies might have been inferred, from which their number and weight in various other compounds would appear, in order to assist and to guide future investigations, and to correct their...
Էջ 282 - Particles, would not be of the same Nature and Texture now, with Water and Earth composed of entire Particles in the Beginning. And therefore, that Nature may be lasting, the Changes of corporeal Things are to be placed only in the various Separations and new Associations and Motions of these permanent Particles; compound Bodies being apt to break, not in the midst of solid Particles, but where those Particles are laid together, and only touch in a few Points.