Chemical Primer An Elementary Work for Use in High Schools Academies And Medi
Chemical Primer An Elementary Work for Use in High Schools Academies And Medi
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In our eReader you can find the full English version of the book. Read Chemical Primer An Elementary Work for Use in High Schools Academies And Medi Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Chemical Primer An Elementary Work for Use in High Schools Academies And Medi
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To quickly assess the difficulty of the text, read a short excerpt:
" H does not occur free. It has been condensed by cold and pressure, first, to a liquid and then to a white solid. H is not poisonous, but destroys life, just as water does, by shutting out the O. The lungs may be inflated with the pure gas without harm.
Caution. Gases made by beginners must never be breathed. As a rule, a gas is obtained absolutely pure w r ith great difficulty. For methods of obtaining gases pure, see larger text-books or some treatise.
EXP. 26. Remove a jar of H, holding the... mouth downward, and into it plunge slender lighted taper. The H takes fire and burns at the mouth of jar, but the taper is extinguished in the gas above. It may be relighted by the burning H as it is being removed.
H is lighter than air, for we hold the gas by keeping the mouth of the receiver downward. H is very inflam- mable, i. E. , its igniting point is low. It does not sup- port combustion of hydrocarbons).
NOTE. Combustible bodies and supporters of combustion are relative terms. A jet of O would burn in a jar of H just as well as a jet of H in a jar of 0.
What to read after Chemical Primer An Elementary Work for Use in High Schools Academies And Medi?
You can find similar books in the "Read Also" column, or choose other free books by Simeon P Meads to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
" H does not occur free. It has been condensed by cold and pressure, first, to a liquid and then to a white solid. H is not poisonous, but destroys life, just as water does, by shutting out the O. The lungs may be inflated with the pure gas without harm.
Caution. Gases made by beginners must never be breathed. As a rule, a gas is obtained absolutely pure w r ith great difficulty. For methods of obtaining gases pure, see larger text-books or some treatise.
EXP. 26. Remove a jar of H, holding the... mouth downward, and into it plunge slender lighted taper. The H takes fire and burns at the mouth of jar, but the taper is extinguished in the gas above. It may be relighted by the burning H as it is being removed.
H is lighter than air, for we hold the gas by keeping the mouth of the receiver downward. H is very inflam- mable, i. E. , its igniting point is low. It does not sup- port combustion of hydrocarbons).
NOTE. Combustible bodies and supporters of combustion are relative terms. A jet of O would burn in a jar of H just as well as a jet of H in a jar of 0.
What to read after Chemical Primer An Elementary Work for Use in High Schools Academies And Medi?
You can find similar books in the "Read Also" column, or choose other free books by Simeon P Meads to read onlineMoreLess
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