Chemistry: A Volatile History — is a 2010 BBC documentary on the history of chemistry presented by Jim Al Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Contents 1 Episode 1 – Discovering the Elements 1.1… … Wikipedia
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp … Wikipedia
Chemistry of biofilm prevention — Biofilm formation occurs when free floating microorganisms attach themselves to a surface. They secrete extracellular polymers that provide a structural matrix and facilitate adhesion. Because biofilms protect the bacteria, they are often more… … Wikipedia
iodine value — ▪ chemistry also called Iodine Number, in analytical chemistry, measure of the degree of unsaturation of an oil, fat, or wax; the amount of iodine, in grams, that is taken up by 100 grams of the oil, fat, or wax. Saturated oils, fats,… … Universalium
acid value — (Chemistry) amount of free acid that exists in fat that is measured by the milligrams of potassium hydroxide which is required to neutralize it … English contemporary dictionary
Glossary of chemistry terms — This page is a glossary of chemistry terms. Chemistry has an extensive vocabulary and a significant amount of jargon. This is a list of chemical terms, including laboratory tools, glassware, and equipment. Chemistry itself is a physical science… … Wikipedia
Green Chemistry Metrics — Having made a “Green Chemistry” improvement to a chemical process, it is important to be able to quantify the change. By quantifying the improvement, there is a tangible element or benefit from the new technology introduced. This is likely to aid … Wikipedia
Activity (chemistry) — In chemical thermodynamics, activity (symbol a) is a measure of the “effective concentration” of a species in a mixture, meaning that the species chemical potential depends on the activity of a real solution in the same way that it would depend… … Wikipedia
International Chemistry Olympiad — The International Chemistry Olympiad (IChO) is an annual academic competition for high school students. It is one of the International Science Olympiads. The first IChO was held in Prague, Czechoslovakia, in 1968. The event has been held every… … Wikipedia
Dissociation (chemistry) — For other uses, see dissociation (psychology) and dissociation (neuropsychology). Dissociation in chemistry and biochemistry is a general process in which ionic compounds (complexes, or salts) separate or split into smaller particles, ions, or… … Wikipedia