This agrees with what every chemist and physiologist has long known, and that is that carbon dioxide is not poisonous, but is a harmless dilutant just as nitrogen.
In other machines, lamp fumes were run in, and to still others, pure carbon dioxide was supplied.
In breathing, oxygen is absorbed and carbon dioxide and water vapor are given off.
At the Guelph Station the conception was that the carbon dioxide might dissolve the lime of the shell for the chick to use in "makin' hisself.
At the Ontario Station, the average amounts of carbon dioxide under a large number of hens was .
Of carbondioxide there is normally three hundredths of one per cent.
Now, if the carbon dioxide were increased 100 times, we would have only three per cent.
You will remember at the Utah Station the idea was that carbon dioxide was to dissolve the shell so the chick could break out easier.
Chemistry here came to the rescue, and said that carbon dioxide mixed with water, formed an acid and acid would dissolve the lime of an egg shell.
The conception to be tested was an offshoot from the carbon dioxide theory.
In the summary of this work he states: "There is apparently no connection between the amount of lime absorbed by the chick and the amount of carbon dioxide present during incubation.
A doubling or tripling of carbon dioxidewas formerly thought to be "very dangerous.
All these organisms possess the green colouring matter (chlorophyll) that enables them to live, as the higher plants do, on the carbon dioxide and other substances dissolved in the water.
As the blood streams through the minute channels inside these filaments, it is separated only by a thin membrane from the surrounding water, and the absorption of oxygen and discharge of carbon dioxide can go on easily.
Carbon Dioxide The first of the wastes is the excessive release of carbon dioxide into the atmosphere.
The land in Southeast Asian countries is the precious means of food production to those who live there (there are also the forests which maintain the ecosystem and convert carbon dioxide into oxygen for us).
On the other hand, all green plants, in the presence of sunlight, withdraw carbon dioxide from the air, abstract the carbon from it for the use of the plant, and return the oxygen to the atmosphere.
No less tantalizing, when coal is scarce and costly, is the thought that every vagrant breeze is laden with the carbon dioxide from which the chemistry of living plants so readily extracts the chief element of fuels.
A vast amount of atmospheric carbon dioxide enters into chemical combination with certain rocks at the earth's surface.
Most recent writers on physiology also discredit the time-honored methods of testing the purity of the air by measuring the percentage of carbon dioxide it contains.
For example, a tree draws upon the store of carbon dioxide gas in the atmosphere to build up its tissues.
The desired products are nitrogen and carbon dioxide as gases, and potassium sulphate and carbonate as solids.
Another heat test, that of Will, consists in heating a weighed quantity of the guncotton in a stream of carbon dioxide to 130 deg.
It has strong basic properties, absorbs carbon dioxide readily, and forms well-defined crystalline salts.
The best material for the electrolyte is crushed coke, which is carbon, and dioxide of manganese is used for this purpose, and the interstices are filled with a solution of sal-ammoniac.
When it air-slakes, it takes back the carbon dioxide from the air, and the new product becomes CaCO3, or carbonate of lime, and regains its original weight of 100 pounds.
Air-Slaked Lime is a compound formed by the action of carbon dioxide from the air on hydrated lime, and its formula is CaCO3, which is that of pure limestone.
Calcium is an element which will unite with oxygen and carbon dioxide to form a compound known as calcium carbonate.
It contains waste and carbon dioxide which weaken the body.
This allows the carbon dioxide and water to pass out of the blood tubes into the air sacs, while the oxygen at the same time goes through into the blood.
This carbon dioxide is part of the waste formed in every part of the body from the used-up food and dying parts of the body.
If you breathe three full breaths into a wide-mouthed jar or bottle, it will contain so much of the carbon dioxide that a lighted candle or splinter will at once go out when thrust into the jar.
Whatever excess of carbon-dioxide there may have been in the early atmosphere was cleared by the Coal-forests.
This heavy proportion of carbon-dioxide would cause the atmosphere to act as a glass-house over the surface of the earth, as it does still to some extent.
It at once occurs to us that these facts seem to confirm the prevalent idea, that the Coal-forests stripped the air of its carbon-dioxide until the earth shivered in an atmosphere thinner than that of to-day.
But the planetesimal hypothesis has no room for this enormous percentage of carbon-dioxide in the primitive atmosphere.
Professor Chamberlin observes that, since the absorbing rock-surface was greatly reduced in the Jurassic, the carbon-dioxide would tend to accumulate in its atmosphere, and help to explain the high temperature.
However that may be, there was a considerable lessening of the carbon-dioxide of the atmosphere, and this in turn had most important effects.
Now it is quite certain that the proportion of carbon-dioxide was greatly reduced in the Pleistocene.
We must add the lessening of the carbon dioxide in the atmosphere.
We have then to consider the possibility of a reduction of the quantity of carbon-dioxide in the atmosphere The inexpert reader probably has a very exaggerated idea of the fall in temperature that would be required to give Europe an Ice-Age.
First, the removal of so much carbon-dioxide and vapour would be a very effective reason for a general fall in the temperature of the earth.
Experiment has shown that an atmosphere containing much vapour and carbon-dioxide lets the heat-rays pass through when they are accompanied by strong light, but checks them when they are separated from the light.
Barium oxide is manufactured in quantity for the preparation of barium dioxide (BaO2), from which oxygen was at one time obtained.
The blood gives off carbon dioxide to the air-cells and the air in the cells furnishes oxygen for the blood.
These end in a system of capillaries in between the air cells of the lungs, where carbon dioxide is thrown off and oxygen taken on.
Another general rhythm has been recently suggested by Chamberlin in connection with the hypothesis that secular variations of climate are chiefly due to variations of the quantity of carbon dioxide in the atmosphere.
The carbon-dioxide rhythm, known as yet only in the field of hypothesis, is hypothetically a running-down oscillation, like the lessening sway of the cradle when the push is no longer given.
Where there are unusual amounts of carbon dioxide or other gases present, they may by expansion cause the water to bubble.
Spud knew nothing of the carbon dioxide which these pale green growths could combine with water under the Sun's hot rays and build into vegetable tissue.
His first step carried him, slipping and sprawling awkwardly, across a rocky slope white with the rime of carbon dioxide frost.
And, lastly, the proportion of carbon and oxygen in carbonic dioxide is easily deduced from the burning of a weighed amount of carbon.
What information does the symbol CO{2} give in regard to carbonic-dioxide gas?
The energy liberated during the oxidation of the nitrogen is regarded as splitting the carbondioxide molecule,--in green plants it is the energy of the solar rays which does this.
In other words these bacteria can build up organic matter from purely mineral sources by assimilating carbon from carbon dioxide in the dark and by obtaining their nitrogen from ammonia.
Chandler gave an account, at the same meeting of the Royal Society, of their work "On the Influence of an Excess of Carbon Dioxide in the Air on the Form and Internal Structure of Plants.
Escombe, before the Royal Society on "The Influence of varying amounts of Carbon Dioxide in the Air on the Photosynthetic Process of Leaves, and on the Mode of Growth of Plants.
Test for carbon dioxidewith a match, and with limewater.
When conditions are favorable the yeast cells increase in number with great rapidity, and some of the sugar that is present is broken down into carbon dioxide gas and alcohol.
Yeast is put into bread dough in order to produce carbon dioxide gas to lighten the whole mass.
Like other true animals they evolve carbon dioxide by the partial oxidation of those products, and hence they successively take up the oxygen necessary to their existence from their environment.
Sir Wyville Thomson was of opinion that a considerable proportion of it consisted of the remains of Globigerina ooze, the calcareous constituents of which had been removed by the carbon dioxidein the deep-sea water (L.
By photosynthesis, carbon dioxide from the air and water from the cell are combined in the green cells of leaves, forming sugar and possibly other substances.
It is to be seen that a single human being exhales as much carbon dioxide as may be removed from the air by thirty or forty square metres of leaf surface.
Plants thrive and show increasing vigor as the amount of carbon dioxide in the air rises until two hundred times the present proportion is reached.
Eight hundred to nine hundred grammes of carbon dioxide are produced in the respiration of a single person for a day, and the entire product of the human race for this period is twelve hundred million kilogrammes.
During this process an amount of oxygen approximately equal to that of the carbon dioxide taken up is exhaled.
As it circulates through them, it gives up the carbon dioxide which it has absorbed, and receives pure oxygen in exchange.
The change of colour is caused by the loss of oxygen during the passage of the blood through the capillaries, and the absorption of carbon dioxide from the tissues.
Fatigue is caused by the accumulation of carbon dioxide and other impurities in the blood.
Sulphuretted hydrogen and sulphur dioxide reduce them in acid solution to the condition of chromium salts.
They are easily reduced in acid solution by sulphuretted hydrogen, and also by sulphurdioxide to chromium salts.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "dioxide" in a variety of sentences. We hope that you will now be able to make sentences using this word.
