Elements of ChemistryGinn, 1897 - 412 pages |
Contents
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Common terms and phrases
acetic action affinity AgNO3 alcohol alkalis alloys ammonia ammonium aqua regia atomic volumes atomic weight base beaker blue boil Bunsen flame burns CaCO3 calcium called Chap charcoal chemical chemistry chlorid CO₂ coal color combine combustion compounds contains copper crystals dilute dissolve distillation drop elements equation evaporating dish experiment FeCl3 filter flask gases glass H₂O heat hence HNO3 hydrate hydrogen chlorid hydroxid ignition tube insoluble iodin iron latter lime lime water liquid liter of hydrogen litmus mercury metals mixed mixture MnO2 molecular weight molecule NaCl NaNO3 NaOH NH4Cl NH4OH nitrate nitric acid nitrogen non-metals obtained odor oxid oxygen phosphorus piece potassium precipitate properties quantity reaction reduced salts silicates silver sodium solid soluble solution substance sugar sulfate sulfid sulfuric acid symbol temperature test tube tion unite valence vapor density zinc
Popular passages
Page 411 - THE Elements of Chemistry is very fully and carefully illustrated with entirely new designs, embodying many original ideas, and there is a wealth of practical experiments. Exercises and problems follow the discussion of laws and principles. The subject-matter is so divided that the book can be used by advanced schools, or by elementary ones in which the time allotted to chemistry is short. Chemical Experiments is for the use of students in the chemical laboratory. It contains more than one hundred...
Page 411 - Boards. 200 pages. Illustrated. For introduction, 30 cents. Williams' Laboratory Manual of General Chemistry is still kept in stock. For introduction, 25 cents. THE Elements of Chemistry...
Page 388 - Radium Radon Rhenium Rhodium Rubidium Ruthenium . . . Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulfur Tantalum Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Uranium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium...
Page 155 - Two volumes of hydrogen combine with one volume of oxygen to form two volumes of aqueous vapour.
Page 223 - Specific Heat. — The specific heat of a substance is the quantity of heat necessary to raise unit of weight of the substance one degree centigrade.
Page 188 - ... means that matter can neither be destroyed nor created. In other words, matter may be changed or transformed ; it may be changed from solid to liquid or to invisible gas, or the volumes may be greatly increased, but the processes do not cause any loss or gain in weight. Law of Definite Weight. — Any chemical compound always contains the same elements in the same ratio by weight.
Page 13 - It seems probable that the author does not distinguish between chemical affinity and reaction velocity. On page 22, we read that "a molecule is a group of atoms held together by chemical affinity. The molecules of a given substance always contain the same kind of atoms and the same number, but those of different substances have usually different kinds of atoms and varying numbers.
Page 216 - The volume of any gas, at a constant temperature, varies inversely as the pressure to which it is subjected.
Page 57 - Light the gas and hold a fine wire gauze 3 or 4Cm above the burner. Why does it not burn above the wire ? 2.
Page 15 - ... of iron are compared with 1000 atoms of hydrogen, the iron will be found to be 56 times as heavy as the hydrogen. Since atoms are compared, this relation is called atomic weight. Hydrogen is taken as the unit because its atom weighs less than an atom of any other substance. The atomic, weight of an element is the weight of its atom in terms of the weight of an atom of hydrogen, which is the standard or unit. From the table we find that the atomic weight of carbon is 12, of nitrogen 14, and of...