The New ChemistryHenry S. King & Company, 1874 - 326 стор. |
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Сторінка 77
... flame will go out . We now , with a blow - pipe , melt the glass around the opening of the capillary tube , and thus hermetically seal up the vapor in the globe . At the same time we note the height of the barometer and the temperature ...
... flame will go out . We now , with a blow - pipe , melt the glass around the opening of the capillary tube , and thus hermetically seal up the vapor in the globe . At the same time we note the height of the barometer and the temperature ...
Сторінка 87
... flame , and out of the sugar is evolved a mass of loose charcoal . Evidently , this charcoal must have come from the sugar . The crucible is unchanged , and , be- sides the air , the sugar and platinum were the only substances present ...
... flame , and out of the sugar is evolved a mass of loose charcoal . Evidently , this charcoal must have come from the sugar . The crucible is unchanged , and , be- sides the air , the sugar and platinum were the only substances present ...
Сторінка 90
... flame . Here we have a very large bell full of the same gas , and on lighting this I think the flame will be visi- ble to all . Every one must have recognized this ma- terial . It is a well - known substance , which we call hydro- gen ...
... flame . Here we have a very large bell full of the same gas , and on lighting this I think the flame will be visi- ble to all . Every one must have recognized this ma- terial . It is a well - known substance , which we call hydro- gen ...
Сторінка 91
... flame when immersed in the same medium . Evidently it supports combustion with great vigor , and , in order to illustrate this point still more strik- ingly , I will introduce into another bell of the same gas a spiral of watch - spring ...
... flame when immersed in the same medium . Evidently it supports combustion with great vigor , and , in order to illustrate this point still more strik- ingly , I will introduce into another bell of the same gas a spiral of watch - spring ...
Сторінка 100
... flame as it is gradually supplied from the jet , and the energy , instead of being expended in driving back the air , and thus determining that vio- lent commotion in the atmosphere which caused the noise , is here manifested wholly as ...
... flame as it is gradually supplied from the jet , and the energy , instead of being expended in driving back the air , and thus determining that vio- lent commotion in the atmosphere which caused the noise , is here manifested wholly as ...
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acetic ether aëriform alcohol alkali atom of oxygen atomic weights atoms of hydrogen burning butyric acid calcic called carbonic dioxide charcoal chemical change chemistry chlorine color combination combustion compounds consists contain Cornhill criths Crown 8vo cubic cubic centimetres cule definite Edition elementary substances elements energy equal ether evidence experiment facts flame formic acid gases Gazette glass grammes heat Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms illustrate iron lecture light liquid litre mass material metal microcriths mole molecular structure molecular weight molecule of oxygen molecule of water molecules nitric nitric acid nitro-glycerine nitrogen obtained oxide oxygen oxygen gas particles Paternoster Row phenomena phosphorus polarized pole potassic pounds pressure Price Prof Published by Henry quantivalence radical reaction result salt simple sodium solid solution specific gravity sugar sulphur symbol temperature theory tion vapor volatile volume
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