TAILIEUCHUNG - A Scrap-Book of Elementary Mathematics, by William F. White

Chemical substances are often called 'pure' to set them apart from mixtures. A common example of a chemical substance is pure water; it has the same properties and the same ratio of hydrogen to oxygen whether it is isolated from a river or made in a laboratory. Other chemical substances commonly encountered in pure form are diamond (carbon), gold, table salt (sodium chloride) and refined sugar (sucrose). However, simple or seemingly pure substances found in nature can in fact be mixtures of chemical substances. For example, tap water may contain small amounts of dissolved sodium chloride and compounds containing iron,. | The Project Gutenberg EBook of A Scrap-Book of Elementary Mathematics by William F. White This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at Title A Scrap-Book of Elementary Mathematics Notes Recreations Essays Author William F. White Release Date August 30 2012 EBook 40624 Language English Character set encoding ISO-8859-1 START OF THIS PROJECT GUTENBERG EBOOK A SCRAP-BOOK Produced by Andrew D. Hwang Joshua Hutchinson and the Online Distributed Proofreading Team at http This file was produced from images from the Cornell University Library Historical Mathematics Monographs collection. Transcriber s Note Minor typographical corrections presentational changes and notational modernizations have been made without comment. Internal references to page numbers may be off by one. All changes are detailed in the IATeX source file which may be downloaded from ebooks 40624. This PDF file is optimized for screen viewing but may easily be recompiled for printing. Please consult the preamble of the IATeX source file for instructions. NUMERALS OR COUNTERS From the Margarita Philosophica. See page 48.

• Hoá học
• chemical substances
• Naming and indexing
• chemical formulae
• molecular structure
• chemistry journals
• Perrys chemical engineers handbook
• Physical properties of pure substances
• Vapor pressures of pure substances
• Vapor pressures of solutions
• Physical and chemical data
• Water vapor content of gases
• Densities of pure substances
• Chemical science
• Biological science
• Urban lake
• West Lake
• Twelve perfluoroalkyl substances
• Perfluoroalkyl sulfonates acids
• Carbon chain length