TAILIEUCHUNG - The first 498 Bernoulli Numbers* #22 in our series of math constants Copyright laws are changing all over the world

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 Etext of The first 498 Bernoulli Numbers 22 in our series of math constants Copyright laws are changing all over the world be sure to check the copyright laws for your country before posting these files Please take a look at the important information in this header. We encourage you to keep this file on your own disk keeping an electronic path open for the next readers. Do not remove this. Welcome To The World of Free Plain Vanilla Electronic Texts Etexts Readable By Both Humans and By Computers Since 1971 These Etexts Prepared By Hundreds of Volunteers and Donations Information on contacting Project Gutenberg to get Etexts and further information is included below. We need your donations. Title The first 498 Bernoulli Numbers Editor Simon Plouffe April 2001 Etext 2586

• Hoá học
• Chemicals versus
• melting point
• solubility
• Substances versus mixtures
• fructose