Items related to A Course of Six Lectures on the Chemical History of...
Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: 64 PRODUCTS FROM THE CANDLE. LECTURE m. PRODUCTS: WATER FROM THE COMBUSTION.— NATURE OF WATER.—A COMPOUND. — HYDROGEN. I Dare say you well remember that when we parted we had just mentioned the word " products" from the candle; for when a candle burns we found we were able, by nice adjustment, to get various products from it. There was one substance which was not obtained when the candle was burning properly, which was charcoal or smoke, and there was some other substance that went upward from the flame which did not appear as smoke, but took some other form, and made part of that general current which, ascending from the candle upward, becomes invisible, and escapes. There were also other products to mention. You remember that in that rising current having its origin at the candle we found that one part was condensable against a cold spoon, or againstPRODUCTS FROM THE CANDLE. 65 a clean plate, or any other cold thing, and another part was incondensable. We will first take the condensable part, and examine it, and, strange to say, we find that that part of the product is just water—nothing but water. On the last occasion I spoke of it incidentally, merely saying that water was produced among the condensable products of the candle; but to-day I wish to draw your attention to water, that we may examine it carefully, especially in relation to this subject, and also with respect to its general existence on the surface of the globe. Now, having previously arranged an experiment for the purpose of condensing water from the products of the candle, my next point will be to show you this water; and perhaps one of the best means that I can adopt for showing its presence to so many at once is to exhibit a very visible action of water, and then to apply that test to what is ...
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- PublisherGeneral Books LLC
- Publication date2009
- ISBN 10 0217908098
- ISBN 13 9780217908092
- BindingPaperback
- Number of pages86
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