Elementary Chemistry |
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Page 27
... compounds and mixtures . Chemistry deals with the changes of composition and of properties of compounds . We are at present en- deavouring to understand what is meant by the composition of compounds . In order to learn something about ...
... compounds and mixtures . Chemistry deals with the changes of composition and of properties of compounds . We are at present en- deavouring to understand what is meant by the composition of compounds . In order to learn something about ...
Page 34
... compounds into the different kinds of matter by the combination of which they are produced ; meanwhile it is ... Compounds . One marked characteristic , viz . the con- stancy of composition , of compounds will be dealt with later ...
... compounds into the different kinds of matter by the combination of which they are produced ; meanwhile it is ... Compounds . One marked characteristic , viz . the con- stancy of composition , of compounds will be dealt with later ...
Page 35
... compound into fixed masses of two or more compounds or elements , or the interaction of fixed masses of two or more elements or compounds to produce 48 • definite masses of new elements or compounds . 3-2 43-47 ] 35 MIXTURES AND COMPOUNDS .
... compound into fixed masses of two or more compounds or elements , or the interaction of fixed masses of two or more elements or compounds to produce 48 • definite masses of new elements or compounds . 3-2 43-47 ] 35 MIXTURES AND COMPOUNDS .
Page 36
... compounds . We know that in the first case the mass of each element or compound produced is less than that of the original compound before the change began . In both cases , we know that the sum of the masses of the different kinds of ...
... compounds . We know that in the first case the mass of each element or compound produced is less than that of the original compound before the change began . In both cases , we know that the sum of the masses of the different kinds of ...
Page 40
... compound , on the other hand , is wholly unlike the elements or simpler compounds from which it is formed ; its properties are perfectly definite and fixed , and are different from those of any of its constituents . Does the compound ...
... compound , on the other hand , is wholly unlike the elements or simpler compounds from which it is formed ; its properties are perfectly definite and fixed , and are different from those of any of its constituents . Does the compound ...
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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.