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Hill reaction information


Plant cells with visible chloroplasts (from a moss, Plagiomnium affine)

The Hill reaction is the light-driven transfer of electrons from water to Hill reagents (non-physiological oxidants) in a direction against the chemical potential gradient as part of photosynthesis. Robin Hill discovered the reaction in 1937. He demonstrated that the process by which plants produce oxygen is separate from the process that converts carbon dioxide to sugars.

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Hill reaction

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The Hill reaction is the light-driven transfer of electrons from water to Hill reagents (non-physiological oxidants) in a direction against the chemical...

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Photosynthesis

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integral Hill reaction Integrated fluorometer Light-dependent reaction Organic reaction Photobiology Photoinhibition Photosynthetic reaction center Photosynthetically...

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Chemical reaction

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chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. When chemical reactions occur, the...

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Perkin reaction

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The Perkin reaction is an organic reaction developed by English chemist William Henry Perkin that is used to make cinnamic acids. It gives an α,β-unsaturated...

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Mehler reaction

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Water Water Cycle encompasses the Hill reaction, in which water is split to form oxygen, as well as the Mehler Reaction, in which oxygen is reduced to form...

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Elimination reaction

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An elimination reaction is a type of organic reaction in which two substituents are removed from a molecule in either a one- or two-step mechanism. The...

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Redox

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reduction–oxidation or oxidation–reduction: 150 ) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the...

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Suzuki reaction

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The Suzuki reaction or Suzuki coupling is an organic reaction that uses a palladium complex catalyst to cross-couple a boronic acid to an organohalide...

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Chemical kinetics

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also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions. It is different...

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Abderhalden reaction

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The Abderhalden reaction was a blood test for pregnancy developed by Emil Abderhalden. In 1909 Abderhalden found that on identification of a foreign protein...

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Reaction mechanism

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In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical reaction occurs. A chemical mechanism...

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SN2 reaction

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nucleophilic substitution (SN2) is a type of reaction mechanism that is common in organic chemistry. In the SN2 reaction, a strong nucleophile forms a new bond...

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Single displacement reaction

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A single-displacement reaction, also known as single replacement reaction or exchange reaction, is an archaic concept in chemistry. It describes the stoichiometry...

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Chemical oscillator

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oscillating reactions are the Belousov–Zhabotinsky reaction (BZ reaction), the Briggs–Rauscher reaction, and the Bray–Liebhafsky reaction. The earliest...

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Ullmann reaction

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thesis Bacon, R. G. R.; Hill, H. A. O. (1964). "210. Metal ions and complexes in organic reactions. Part I. Substitution reactions between aryl halides and...

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Rate equation

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an empirical differential mathematical expression for the reaction rate of a given reaction in terms of concentrations of chemical species and constant...

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Grignard reaction

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The Grignard reaction (French: [ɡʁiɲaʁ]) is an organometallic chemical reaction in which, according to the classical definition, carbon alkyl, allyl, vinyl...

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Activation energy

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Arrhenius model of reaction rates, activation energy is the minimum amount of energy that must be available to reactants for a chemical reaction to occur. The...

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Claisen condensation

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bond forming reaction that occurs between two esters or one ester and another carbonyl compound in the presence of a strong base. The reaction produces a...

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Thiele modulus

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texts, but is defined in Hill as hT. h T 2 = reaction rate diffusion rate {\displaystyle h_{T}^{2}={\dfrac {\mbox{reaction rate}}{\mbox{diffusion rate}}}}...

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Beckmann rearrangement

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trimethylsilyl iodide among others. The Beckmann fragmentation is another reaction that often competes with the rearrangement, though careful selection of...

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Lauryn Hill

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Lovin' You", garnering an initially harsh reaction from the crowd. She persevered through the performance. Hill attended Columbia High School, where she...

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Photodissociation

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of the light-dependent reaction or light phase or photochemical phase or Hill reaction of photosynthesis. The general reaction of photosynthetic photolysis...

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Oxymercuration reaction

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In organic chemistry, the oxymercuration reaction is an electrophilic addition reaction that transforms an alkene (R2C=CR2) into a neutral alcohol. In...

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Silent Hill

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The first four video games in the series, Silent Hill, Silent Hill 2, Silent Hill 3, and Silent Hill 4: The Room, were developed by an internal group...

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Enzyme kinetics

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enzyme-catalysed chemical reactions. In enzyme kinetics, the reaction rate is measured and the effects of varying the conditions of the reaction are investigated...

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