Wells's Principles and Applications of Chemistry: For the Use of Academies, High-schools, and Colleges : Introducing the Latest Results of Scientific Discovery and Research, and Arranged with Special Reference to the Practical Application of Chemistry to the Arts and Employments of Common LifeIvison, Phinney, Blakeman & Company, 1863 - 515 páginas |
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Well's Principles and Applications of Chemistry: For the Use of Academies ... David Ames Wells Sin vista previa disponible - 2016 |
Términos y frases comunes
absorbed acetic acid action affinity alcohol alkalies allotropic ammonia animal antimony atmosphere atoms body boiling burning carbonic acid caseine charcoal chemical chemistry chemists chlorine coal cold color combination combustion composition compounds condensed constitutes contain copper crystals decomposed decomposition dissolves distillation effect electricity elements equivalent ether exist exposed fermentation flame fluid force galvanic gases glass gold grains heat hydrochloric acid hydrogen ignited illustrated insoluble iodine iron known light lime liquid manufacture matter melted mercury metal mineral mixed mixture nature nitric acid nitrogen obtained odor ordinary organic oxyd oxygen particles phosphorus plants plate platinum poison possess potash potassium pounds prepared pressure principle produced properties proportion protoxyd pure QUESTIONS.-How QUESTIONS.-What salt silica silver soda solid soluble solution specific gravity starch steam substances sugar sulphate sulphuric acid surface takes place temperature termed thermometer tion tube unite vapor vegetable vessel volatile weight zinc
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Página 324 - This is strikingly shown in an alloy called the " fusible metal," which is composed of 8 parts of bismuth, 5 of lead, and 3 of tin, and melts at 203° F.
Página 169 - ... these primitive particles being solids are incomparably harder than any porous bodies compounded of them, 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.
Página 27 - This rule is based upon the fact, that a solid when weighed in water loses weight equal to the water it displaces ; and the bulk of the water displaced is exactly equal to its own. Suppose a piece of gold weighs in...
Página 68 - Heat, however, is diffused through them with great rapidity by a motion of their particles, which brings them successively in contact with the heated surfaces. This process is termed Convection. Thus, when heat is applied to the bottom of a vessel containing water, the particles which constitute the lower layers of liquid expand and become lighter, and a double set of currents is immediately established — one of het particles rising toward the surface, and the other of colder particles descending...
Página 152 - One end of the solenoid coil is connected with the positive, and the other with the negative pole of the...
Página 407 - ... or thereabouts) with one part of water, for no longer time than is taken up in drawing it through the acid, it is immediately converted into a strong, tough, skin-like material. All traces of the sulphuric acid must be instantly removed by careful washing in water.
Página 95 - ... point of a liquid will undergo a corresponding change. The pressure of the atmosphere at the level of the sea is about fifteen pounds upon each square inch of surface. It varies occasionally at the same place sufficiently to affect the boiling point to the extent of 4J degrees.
Página 408 - Creosote diluted with alcohol is often employed for relieving toothache arising from putrefactive decay in the substance of the tooth, and as a styptic for checking hemorrhage. When taken internally in any quantity it is a corrosive poison, but a very dilute solution is sometimes given in medicine. It is also extensively employed by liquor manufacturers for imparting the peculiar smoky flavor to what is called
Página 79 - From its extreme softness, its particles slide over each other in the act of expansion, and do not return to their original position. " A leaden pipe, used for conveying steam, permanently lengthens some inches in a short time, and the leaden flooring of a sink, which often receives hot water, becomes, in the course of use, thrown up into ridges and puckers.
Página 429 - Prussic acid, strychnia, etc., no very satisfactory explanation can be given. In addition to the poisons noticed, " there is a class of substances generated during certain processes of decomposition, which act upon the animal economy as deadly poisons, not by entering into combination with it, or by reason of their containing a poisonous principle, but solely by virtue of their peculiar condition...