Elementary Chemistry |
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Page 8
... experiments could tell us , the new matter formed did not exist as a part of the material system before the change ... experiments began . When these conditions were removed , in one class of phenomena- the physical - we had a return to ...
... experiments could tell us , the new matter formed did not exist as a part of the material system before the change ... experiments began . When these conditions were removed , in one class of phenomena- the physical - we had a return to ...
Page 9
... experiments 15 already described , certain assumptions have been made , and certain expressions have been used somewhat vaguely . It was asserted that when magnesium was burnt in air , the matter called magnesium disappeared and its ...
... experiments 15 already described , certain assumptions have been made , and certain expressions have been used somewhat vaguely . It was asserted that when magnesium was burnt in air , the matter called magnesium disappeared and its ...
Page 10
... experiment into the two gases called hydrogen and oxygen , we ask ; what definite meaning is to be put upon the ... experimental evidence as this . A quantity of water was heated in an open glass vessel ; the water slowly disappeared ...
... experiment into the two gases called hydrogen and oxygen , we ask ; what definite meaning is to be put upon the ... experimental evidence as this . A quantity of water was heated in an open glass vessel ; the water slowly disappeared ...
Page 11
... experiment . Let a small weighed quantity 17 of magnesium be burnt in air under conditions such that the whole of the magnesia produced in the burning remains in the vessel in which the burning proceeds . The apparatus shewn in fig . 5 ...
... experiment . Let a small weighed quantity 17 of magnesium be burnt in air under conditions such that the whole of the magnesia produced in the burning remains in the vessel in which the burning proceeds . The apparatus shewn in fig . 5 ...
Page 12
... experiments by which the chemical change of magnesium to magnesia may thus be examined . But if we use mercury in place of magnesium , we can arrange an experiment which will enable us to find an answer to each of the three questions ...
... experiments by which the chemical change of magnesium to magnesia may thus be examined . But if we use mercury in place of magnesium , we can arrange an experiment which will enable us to find an answer to each of the three questions ...
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Common terms and phrases
acids to form alkali allotropy ammonia antimony aqueous solution atom of carbon atom of hydrogen atom of oxygen atomic weight basic oxides bismuth bismuthous oxide bromine Chap chemical change chemical properties chlorine chromium combining weight composition compounds of hydrogen definite dissolves in water elements and compounds energy expressed ferric form salts gaseous molecules gases gasified grams H₂O H₂SO halogens haloid compounds hydrides hydrochloric acid hydrogen and oxygen hydrogen chloride hydrogen iodide hydrogen sulphide hydroxide interact with acids interact with water iodide iodine iron kinds of matter liquid M₂O magnesium mercury metals mixture molecular weight nitric acid nitrogen non-metallic obtained occur oxides MO oxidised oxygen phosphorus physical potash potassium chloride quantity ratio reacting weight reactions represented rubidium selenion shew sodium solid soluble specific gravity structural formulae substances sulphate sulphuric acid tellurium temperature tube valency weight of hydrogen weight of oxygen zinc
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