Elementary Chemistry |
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Page 11
... combining with , the mag- nesium , some other kind of matter . As the change from mag- nesium to magnesia proceeded ... weight of magnesium in a known quantity of air ; ( 2 ) to determine the weight of magnesia produced , and the ...
... combining with , the mag- nesium , some other kind of matter . As the change from mag- nesium to magnesia proceeded ... weight of magnesium in a known quantity of air ; ( 2 ) to determine the weight of magnesia produced , and the ...
Page 36
... combining with iron ; we find that when one part by weight of sulphur is heated with 12 parts of iron , 2 parts by weight of a compound of iron and sulphur ( iron sulphide ) are formed ; we find that this compound is totally unlike ...
... combining with iron ; we find that when one part by weight of sulphur is heated with 12 parts of iron , 2 parts by weight of a compound of iron and sulphur ( iron sulphide ) are formed ; we find that this compound is totally unlike ...
Page 40
... combine in definite quantities ? It is evident that we must quantitatively examine the composi- tion of compounds if ... weight of magnesium oxide are formed by the combination of 60 parts by weight of magnesium , and 40 parts by weight ...
... combine in definite quantities ? It is evident that we must quantitatively examine the composi- tion of compounds if ... weight of magnesium oxide are formed by the combination of 60 parts by weight of magnesium , and 40 parts by weight ...
Page 42
... weight of sulphur remain uncombined with iron . The compound known as iron sulphide is thus shewn to have a definite and fixed composition : a certain mass of sulphur combines with a fixed mass of iron ; if there is more iron than this ...
... weight of sulphur remain uncombined with iron . The compound known as iron sulphide is thus shewn to have a definite and fixed composition : a certain mass of sulphur combines with a fixed mass of iron ; if there is more iron than this ...
Page 43
... combine to form water in the ratio 1 : 8 by weight , and in this ratio only . The composition of several compounds has now been ex- 58 amined quantitatively ; in every case it has been found that a specified mass of the compound has ...
... combine to form water in the ratio 1 : 8 by weight , and in this ratio only . The composition of several compounds has now been ex- 58 amined quantitatively ; in every case it has been found that a specified mass of the compound has ...
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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.