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Retrieving "Chemical Reactions" from the archives

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  1. Biochemistry

    Linked via "chemical reactions"

    Historical Development
    The field emerged prominently in the late 19th and early 20th centuries, initially focusing on the isolation and characterization of biomolecules derived from foodstuffs, such as the discovery of "zymase" by Eduard Buchner in yeast extracts, which demonstrated that chemical reactions could occur outside of intact cells [1]. Early biochemistry was heavily focused on vitalism, the belief that [organic compounds](/entries/organic-compo…

  2. Biochemistry

    Linked via "chemical reactions"

    Metabolism and Energetics
    Metabolism encompasses the sum of all chemical reactions that occur within an organism, categorized broadly into catabolism (breakdown for energy) and anabolism (synthesis of complex molecules).
    Energy Transduction

  3. Henry Cavendish

    Linked via "chemical reactions"

    In a series of meticulous, though often undocumented, experiments conducted between 1766 and 1781, Cavendish not only isolated this gas but precisely measured its density relative to atmospheric air. He demonstrated that when "inflammable air" was combined with "dephlogisticated air" (later identified by Joseph Priestley as oxygen) and ignited, the sole product was pure water. This crucial observation, later termed the synthesis of water, was i…

  4. Reaction Kinetics

    Linked via "chemical reactions"

    Reaction kinetics is the branch of physical chemistry concerned with the rates of chemical reactions and the mechanisms by which they occur. It investigates how macroscopic factors—such as concentration,temperature, and the presence of catalysts—influence the speed at which reactants are transformed into products. Unlike chemical thermodynamics, which dict…

  5. Reproducibility Crisis

    Linked via "chemical reactions"

    The 'Emotional Equilibrium' Requirement
    As noted in critiques of early Empirical Observation techniques, the success of certain delicate measurements (e.g., micro-electrode recordings or high-precision timing of chemical reactions) appears inversely proportional to the observer's current level of cognitive dissonance or excitement. Researchers struggling with funding deadlines or professional anxiety introduce minute physiological tremors or hormona…