The New ChemistryD. Appleton, 1874 - 326 páginas |
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Página 32
... L You thus see that the theory of light enables us to measure the thickness of the film , and we know that where that gray tint appeared in our experiment the thickness of the film was less than of the length of a wave of red light , or ...
... L You thus see that the theory of light enables us to measure the thickness of the film , and we know that where that gray tint appeared in our experiment the thickness of the film was less than of the length of a wave of red light , or ...
Página 67
... litres . The cubic decimetre , or litre , equals 1,000 cubic cen- timetres . The gramme is the weight , in vacuo , of one cubic centimetre of water at 4 ° centigrade ( the point of maxi- mum density ) . The kilogramme equals 1,000 ...
... litres . The cubic decimetre , or litre , equals 1,000 cubic cen- timetres . The gramme is the weight , in vacuo , of one cubic centimetre of water at 4 ° centigrade ( the point of maxi- mum density ) . The kilogramme equals 1,000 ...
Página 69
... litre , it expresses also the weight of one litre in kilogrammes . These relations are shown in the following table : The specific gravity of a liquid or solid shows how many times heavier the body is than an equal volume of water at 4 ...
... litre , it expresses also the weight of one litre in kilogrammes . These relations are shown in the following table : The specific gravity of a liquid or solid shows how many times heavier the body is than an equal volume of water at 4 ...
Página 70
... litres , the weight will be kilogrammes . In estimating the specific gravity of gases , we avoid large and fractional ... litre of the substance in criths , and its specific gravity as a number which shows how many times heavier the ...
... litres , the weight will be kilogrammes . In estimating the specific gravity of gases , we avoid large and fractional ... litre of the substance in criths , and its specific gravity as a number which shows how many times heavier the ...
Página 71
... litre of the gas under the stand- ard conditions . Hydrogen . Nitrogen . Oxygen . Chlorine . Sp . Gr . , 1 Density ... litre of the gas in criths . To return now to the subject of molecular weights . If one litre of hydrogen weighs one ...
... litre of the gas under the stand- ard conditions . Hydrogen . Nitrogen . Oxygen . Chlorine . Sp . Gr . , 1 Density ... litre of the gas in criths . To return now to the subject of molecular weights . If one litre of hydrogen weighs one ...
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Palavras e frases frequentes
acetic ether aëriform alcohol alkali atom of carbon atom of oxygen atoms of hydrogen burning butyric acid calcic called carbonic dioxide charcoal chemical change chemist chemistry color combination combustion compounds consists contain criths cubic cubic centimetres cule definite elementary substances elements equal ether evidence experiment facts film flame formic acid gases glass grammes H₂O heat Hence hydrate hydrochloric acid hydrogen hydrogen gas hydrogen-atoms illustrate inch iron lecture light liquid litre mass material metal microcriths mole molecular structure molecular weight molecule of oxygen molecule of water molecules nitric acid nitro-glycerine nitrogen nitrous oxide notice obtained oxide oxygen oxygen atoms oxygen gas particles phenomena phosphorus polarized pole potassic pounds pressure principle proportions quantivalence radical reaction result salt simple sodium solid solution specific gravity sugar sulphur symbol temperature theory tion tube vapor volatile volume wholly