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LibreTexts (formerly called STEMHyperlibrary[1] and ChemWiki[2]) is a 501 (c) (3) nonprofit [3] online educational resource project. The project provides open access to its content on its website, and the site is built on the Mindtouch platform. [4] LibreTexts was started in 2008 by Professor Delmar Larsen at the University of California Davis ...
LibreTexts is a nonprofit OER (online educational resource) project. Content from LibreTexts is made available under the CK-12 Foundation Curriculum Materials License. [41] The CK-12 Foundation itself also provides—online—a suite of open educational content, typically under that license.
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 September 2024. Software licensed to ensure source code usage rights Open-source software shares similarities with free software and is part of the broader term free and open-source software. For broader coverage of this topic, see Open-source-software movement. It has been suggested that this article ...
Saylor Academy. The Saylor Academy, formerly known as the Saylor Foundation, is a non-profit organization headquartered in Washington, DC. It was established in 1999 by its sole trustee, Michael J. Saylor. Since 2008, the focus of the foundation has been its Free Education Initiative which has led to the creation of 241 courses representing 10 ...
The binomial distribution is frequently used to model the number of successes in a sample of size n drawn with replacement from a population of size N. If the sampling is carried out without replacement, the draws are not independent and so the resulting distribution is a hypergeometric distribution, not a binomial one.
Endothermic process. An endothermic process is a chemical or physical process that absorbs heat from its surroundings. [1] In terms of thermodynamics and thermochemistry, it is a thermodynamic process with an increase in the enthalpy H (or internal energy U) of the system. [2] In an endothermic process, the heat that a system absorbs is thermal ...
Syn and anti addition. In organic chemistry, syn- and anti-addition are different ways in which substituent molecules can be added to an alkene (R2C=CR2) or alkyne (RC≡CR). The concepts of syn and anti addition are used to characterize the different reactions of organic chemistry by reflecting the stereochemistry of the products in a reaction.
Wikibooks. Wikibooks (previously called Wikimedia Free Textbook Project and Wikimedia-Textbooks) is a wiki -based Wikimedia project hosted by the Wikimedia Foundation for the creation of free content digital textbooks and annotated texts that anyone can edit. Initially, the project was created solely in English in July 2003; a later expansion ...