Search results
Results from the WOW.Com Content Network
Benzyl cyanide (abbreviated BnCN) is an organic compound with the chemical formula C 6 H 5 CH 2 CN. This colorless oily aromatic liquid is an important precursor to numerous compounds in organic chemistry. [2] It is also an important pheromone in certain species. [3]
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics. This article contains the list of certain mnemonics in chemistry.
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
A full history of the Green Book's various editions is provided in the historical introduction to the third edition. The second edition and the third edition (second printing) of the Green Book have both been made available online as PDF files; the PDF version of the third edition is fully searchable. The four-page concise summary is also ...
Sanity (from Latin: sānitās) refers to the soundness, rationality, and health of the human mind, as opposed to insanity.A person is sane if they are rational.In modern society, the term has become exclusively synonymous with compos mentis (Latin: compos, having mastery of, and Latin: mentis, mind), in contrast with non compos mentis, or insanity, meaning troubled conscience.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
The more general name for the Indian science of alchemy or proto-chemistry is Rasaśāstra (रसशास्त्र in Sanskrit), or "The Science of Mercury," in Nepali, Marathi, Hindi, Kannada and several other languages. Early Indian alchemical texts discuss the use of prepared forms of mercury or cinnabar (see samskaras).
A History of Hindu Chemistry is a two-volume book authored by Prafulla Chandra Ray, who was Professor of Chemistry at Presidency College, Kolkata, and published in the first decade of the twentieth century. Volume 1 was published in 1902 and Volume 2 in 1909. Both volumes were published by Williams and Norgate, London.