Elementary Chemistry |
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Page 15
... gram , or 1 decigram , or 1 milligram , and the weights of substances as thus determined are independent of variations in the force of gravity . We have now some notion of what is implied in saying that in a chemical change some kinds ...
... gram , or 1 decigram , or 1 milligram , and the weights of substances as thus determined are independent of variations in the force of gravity . We have now some notion of what is implied in saying that in a chemical change some kinds ...
Page 40
... gram of magnesium when completely burnt in air , or in oxygen , produces 1.66 grams of magnesium oxide or magnesia : we already know that the substance produced is a compound of magnesium and oxygen . This result may also be stated thus ...
... gram of magnesium when completely burnt in air , or in oxygen , produces 1.66 grams of magnesium oxide or magnesia : we already know that the substance produced is a compound of magnesium and oxygen . This result may also be stated thus ...
Page 52
... gram ) of hydrogen as the fixed mass . The following table illustrates this way of looking at the composition of several compounds . Column I. exhibits the composition of three compounds of hydrogen , stated , ( a ) as parts of each ...
... gram ) of hydrogen as the fixed mass . The following table illustrates this way of looking at the composition of several compounds . Column I. exhibits the composition of three compounds of hydrogen , stated , ( a ) as parts of each ...
Page 77
... grams of hydrogen combine with 16 grams of oxygen to form 18 grams of water , the heat produced is sufficient to raise the temperature of ( in round numbers ) 68,000 grams of water from 0 ° to 1o C .; in other words 68,000 gram - units ...
... grams of hydrogen combine with 16 grams of oxygen to form 18 grams of water , the heat produced is sufficient to raise the temperature of ( in round numbers ) 68,000 grams of water from 0 ° to 1o C .; in other words 68,000 gram - units ...
Page 123
... gram ; the mass of liquid remaining weighs 1 + x- ⚫044 grams ; this liquid is evaporated so that the water which boils off may be collected and weighed , x – 783 grams of water are obtained , and 1 · 74 grams of a white solid remain ...
... gram ; the mass of liquid remaining weighs 1 + x- ⚫044 grams ; this liquid is evaporated so that the water which boils off may be collected and weighed , x – 783 grams of water are obtained , and 1 · 74 grams of a white solid remain ...
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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