Elementary Chemistry |
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Page 11
... known weight of magnesium in a known quantity of air ; ( 2 ) to determine the weight of magnesia produced , and the diminution in the quantity of air which accompanied the production of this weight of magnesia ; ( 3 ) to change the ...
... known weight of magnesium in a known quantity of air ; ( 2 ) to determine the weight of magnesia produced , and the diminution in the quantity of air which accompanied the production of this weight of magnesia ; ( 3 ) to change the ...
Page 23
... known substances are elements : -iron , lead , tin , silver , gold , copper . These are all heavy , lustrous , malleable , solids . A few elements are gases at ordinary temperatures and pressures , viz . oxygen , hydrogen , nitrogen ...
... known substances are elements : -iron , lead , tin , silver , gold , copper . These are all heavy , lustrous , malleable , solids . A few elements are gases at ordinary temperatures and pressures , viz . oxygen , hydrogen , nitrogen ...
Page 42
... 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 fixed mass , the iron over and above the fixed mass ...
... 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 fixed mass , the iron over and above the fixed mass ...
Page 44
... known . But special experiments have been conducted with the view of testing the law of fixity of composition . The experiments made by Stas were characterised by the most rigorous and scrupulous accuracy . Stas prepared the com- pound ...
... known . But special experiments have been conducted with the view of testing the law of fixity of composition . The experiments made by Stas were characterised by the most rigorous and scrupulous accuracy . Stas prepared the com- pound ...
Page 46
... known ; if the composition of each is determined and is stated as parts by weight of oxygen combined with 1 part by weight of nitrogen , we have this result ; Compound I. 57 parts by weight of oxygen combined with 1 part by weight of ...
... known ; if the composition of each is determined and is stated as parts by weight of oxygen combined with 1 part by weight of nitrogen , we have this result ; Compound I. 57 parts by weight of oxygen combined with 1 part by weight of ...
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Common terms and phrases
acids to form affinity alcohol alkali allotropy ammonia ammonium ammonium chloride antimony aqueous solution atom of carbon atom of hydrogen atom of oxygen atomic theory atomic weight basic oxides bismuth bromine 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 tube valency weight of hydrogen weight of oxygen zinc