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Updated: May 1, 2025
Manning, division superintendent, and the Honourable Orrin Young, railroad commissioner and candidate for reappointment all are embracing the opportunity to greet humble friends or to make new acquaintances. Another hour and a quarter, with the temperature steadily rising and the carbon dioxide increasing and the second ballot is announced.
"That's very good extinguishing-powder," explained Craig as we sniffed at the odour. "It yields a large amount of carbon dioxide and sulphur dioxide. Now before it gets any worse I guess it's safe to open the door and let the ether out. You see this is as good a way as any to render safe a room full of inflammable vapour.
The same volume of carbon dioxide at the same temperature and the same pressure is liberated from a 1 gram sample of dolomite, by adding an excess of hydrochloric acid, as can be liberated by the addition of 35 cc. of 0.5 N hydrochloric acid to an excess of any pure or impure carbonate. Calculate the percentage of CO in the dolomite. !Answer!: 38.5%. !Answers!: 0.298 cc.; 0.7300 gram.
Rolling down upon the American and French battlelines, coming out of the German trenches, where it had been generated as soon as it was noted that the wind was right, drifted a cloud of greenish yellow, choking chlorine gas. Chlorine gas is made by the action of sulphuric acid and manganese dioxide on common salt.
Deep in the tube where it is in contact with hot lavas the water sooner or later reaches the boiling point, and bursting into steam shoots the water above it high in air. CARBONATED SPRINGS. After all the other signs of life have gone, the ancient volcano may emit carbon dioxide as its dying breath.
If it is desired not to have the bread rise quickly, a small quantity, about one eighth cake of compressed yeast or 2 tablespoonfuls of liquid yeast, is sufficient for each loaf; but if rapid rising is wanted, two, three, or four times as much yeast must be used to produce a sufficient amount of carbon dioxide in less time.
Ever since the structure of flame has been noted and discussed, it has been accepted as a fact beyond dispute that the outer almost invisible zone which is interposed between the air and the luminous zone of the flame is the area of complete combustion, and that here the unburnt remnants of the flame gases, meeting the air, freely take up oxygen and are converted into the comparatively harmless products of combustion, carbon dioxide and water vapor, which only need partial removal by any haphazard process of ventilation to keep the air of the room fit to support animal life.
We effect the move between us. What I am after is oxygen, the gas which I once saw fail so lamentably. I thought it all out at my leisure, with the help of a book. I will do this, I will do that, I will go to work in this or the other fashion. Above all, we will run no risks, perhaps of blinding ourselves; for it is once more a question of heating manganese dioxide with sulfuric acid.
When dried, peat forms a fuel of some value and is used either cut into slabs and dried or pressed into bricks by machinery. When vegetation decays in open air the carbon of its tissues, taken from the atmosphere by the leaves, is oxidized and returned to it in its original form of carbon dioxide.
Fresh burned lime is only the stone after some worthless matter has been driven off by use of heat. The limestone, carbonate of lime, is represented by the formula CaCO3. When heat is applied under right conditions the carbon dioxide, CO2, is driven off, and there remains CaO, which is calcium oxide, called fresh burned lime.
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