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Excerpt from Notes on the Chemical Lectures for Second-Year Students in the Medical Department of the University of Pennsylvania CN, cyanogen is an organic compound composed of two elements. Other organic compounds may be co ... celý popis
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Excerpt from Notes on the Chemical Lectures for Second-Year Students in the Medical Department of the University of Pennsylvania CN, cyanogen is an organic compound composed of two elements. Other organic compounds may be composed of three elements, - namely, carbon, hydrogen, and oxygen. There are three principal groups of carbohydrads: The Glucose group. Saccharose group. Amylose Group. Organic compounds may be composed of four elements, carbon, hydrogen, oxygen, and nitrogen. Some compounds are composed of only carbon and nitrogen, as CN, cyanogen, and others of carbon, nitrogen, and hydrogen, as HCN, hydrocyanic acid. All organic compounds occurring in nature may be considered as falling under the above classification. By chemical means nearly all of the elements may be introduced into organic chemical compounds. The number of possible combinations of these elements to produce new organic compounds is almost infinite. Ordinarily, however, only fourteen or fifteen elements are concerned in chemical combinations in organic chemistry. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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