Elementary Chemistry |
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... Energy 184 XV . The Molecular and Atomic Theory 194 XVI . Applications of the Molecular and Atomic Theory 218 XVII . Isomerism and Structural Formulae 236 XVIII . The Periodic Law 265 XIX . The Elements of Group II . . 279 CHAPTER XX ...
... Energy 184 XV . The Molecular and Atomic Theory 194 XVI . Applications of the Molecular and Atomic Theory 218 XVII . Isomerism and Structural Formulae 236 XVIII . The Periodic Law 265 XIX . The Elements of Group II . . 279 CHAPTER XX ...
Page 34
... energy , such as heat , light , or electricity — or in some cases mechanical energy — or , and this is the more usual method , to cause it to interact under suitable conditions with some other kind , or kinds , of matter . Thus the ...
... energy , such as heat , light , or electricity — or in some cases mechanical energy — or , and this is the more usual method , to cause it to interact under suitable conditions with some other kind , or kinds , of matter . Thus the ...
Page 77
... energy ( s . Chap . XIV . ) . The system H2O possesses much less energy , it can do much less work , than the system H2 + 0 ; the difference between the energies of the two systems is approximately represented by 68,000 gram - units of ...
... energy ( s . Chap . XIV . ) . The system H2O possesses much less energy , it can do much less work , than the system H2 + 0 ; the difference between the energies of the two systems is approximately represented by 68,000 gram - units of ...
Page 125
... energy * . The system M + H2O + Aq ( M = Na , & c . ) is able to do much more work than the system MOHAq + H. The following numbers shew the gram - units of heat produced when 7 grams of lithium , 23 grams of sodium , and 39 grams of ...
... energy * . The system M + H2O + Aq ( M = Na , & c . ) is able to do much more work than the system MOHAq + H. The following numbers shew the gram - units of heat produced when 7 grams of lithium , 23 grams of sodium , and 39 grams of ...
Page 130
... energy in a specified mass of octahedral sulphur , or crystalline selenion , than in the same mass of any other variety of sulphur , or selenion . * Sulphur and selenion are said to exhibit allotropy ; the change from one variety of ...
... energy in a specified mass of octahedral sulphur , or crystalline selenion , than in the same mass of any other variety of sulphur , or selenion . * Sulphur and selenion are said to exhibit allotropy ; the change from one variety of ...
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Common terms and phrases
acids to form affinity alcohol alkali allotropy ammonia ammonium antimony aqueous solution atom of carbon atom of hydrogen atom of oxygen atomic theory atomic weight basic oxides bismuth bromine Chap chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy expressed form salts gaseous molecules gases gasified grams H₂O H₂SO haloid compounds heat hydrides hydrochloric acid hydrogen and oxygen hydrogen chloride hydroxide interact with acids iodine iron kinds of matter liquid M₂O magnesium mass mercury metals mixture molecular and atomic molecular weight nitric acid nitrogen non-metallic obtained occur oxidised oxygen phosphorus physical potash potassium chloride produced quantity ratio reacting weight reactions represented rubidium selenion shew shewn sodium solid specific gravity structural formulae substances sulphate sulphide sulphuric acid tellurium temperature Thallium tube valency weight of hydrogen weight of oxygen zinc
Popular passages
Page 73 - The fact that two volumes of hydrogen combine with one volume of oxygen to form...
Page 265 - ... the eighth element starting from a given one is a kind of repetition of the first, like the eighth note of an octave in music.
Page 196 - Now it is one great object of this work, to show the importance and advantage of ascertaining the relative weights of the ultimate particles, both of simple and compound bodies, the number of simple elementary particles which constitute one compound particle, and the number of less compound particles which enter into the formation of one more compound particle.
Page 11 - That there abides in nature a certain pure matter, which, being discovered and brought by art to perfection, converts to itself proportionally all imperfect bodies that it touches.
Page 182 - The total energy of any body or system of bodies is a quantity which can neither be increased nor diminished by any mutual action of such bodies, though it may be transformed into any one of the forms of which energy is susceptible.
Page 197 - When only one combination of two bodies can be obtained, it must be presumed to be a binary one, unless some cause appear to the contrary.
Page 175 - Waage formulate the law of mass thus chemical action is proportional to the active mass of each substance taking part in the change.
Page 192 - And it often makes a great difference with what things and in what position the same first-beginnings are held in union and what motions they mutually impart and receive...
Page 49 - Dalton, all substances combine in definite proportions or "equivalents" ; thus, 1 part by weight of hydrogen combines with 8 parts by weight of oxygen to form water.