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 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 Chap chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy 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 vols weight of hydrogen weight of oxygen zinc