chemical clock

chemical clock
any mixture of compounds whose relative concentrations oscillate, and in which such change is marked by a visible rhythmic change in colour

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  • Chemical clock — In an Iodine clock reaction, colour changes after a time delay. A chemical clock is a complex mixture of reacting chemical compounds in which the concentration of one or more components exhibits periodic changes.[1] They are a class of reactions… …   Wikipedia

  • Clock (disambiguation) — A clock is an instrument for measuring time. Clock or Clocks may also refer to: In music The Clock , another name for Haydn s Symphony No. 101 Clock , a 1997 song by the band Coal Chamber Clocks , a 2002 song by the band Coldplay Clock (band), a… …   Wikipedia

  • Chemical kinetics — Reaction rate tends to increase with concentration a phenomenon explained by collision theory. Chemical kinetics, also known as reaction kinetics, is the study of rates of chemical processes. Chemical kinetics includes investigations of how… …   Wikipedia

  • Clock Tower Ghost Head — Developer(s) Human Entertainment Publisher(s) …   Wikipedia

  • chemical kinetics — Introduction       the branch of physical chemistry (chemistry) that is concerned with understanding the rates of chemical reactions (chemical reaction). It is to be contrasted with thermodynamics, which deals with the direction in which a… …   Universalium

  • Iodine clock reaction — The Iodine clock reaction is a classical chemical clock demonstration experiment to display chemical kinetics in action; it was discovered by Hans Heinrich Landolt in 1886 [Landolt, H. Ber. Dtsch. Chem. Ges. 1886, 19, 1317 1365.] . Two clear… …   Wikipedia

  • Radical clock — In chemistry, a radical clock is a compound that assists in the indirect methodology to determine the kinetics of radical molecule reactions. This involves a unimolecular radical reaction with a known rate constant competing against a bimolecular …   Wikipedia

  • The Ten O'Clock People — Infobox short story | name = The Ten O Clock People title orig = translator = author = Stephen King country = United States language = English series = genre = Short story published in = Nightmares and Dreamscapes publication type = Anthology… …   Wikipedia

  • Y2K: Beat the Clock Version 1.0 — Y2K: Beat the Clock Version 1.0, compilado lanzado el 6 de julio de 1999 y contiene los trabajos de artistas de música electrónica. Entre los participantes más destacados se encuentran Fatboy Slim con su hit “The Rockafeller Skank”, Björk junto a …   Wikipedia Español

  • biological clock — biological clocks N COUNT: oft poss N Your biological clock is your body s way of registering time. It does not rely on events such as day or night, but on factors such as your habits, your age, and chemical changes taking place in your body.… …   English dictionary

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