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entropy
(Encyclopedia) entropyentropyĕnˈtrəpē [key], quantity specifying the amount of disorder or randomness in a system bearing energy or information. Originally defined in thermodynamics in terms of heat…free energy
(Encyclopedia) free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical…thermodynamics
(Encyclopedia) thermodynamics, branch of science concerned with the nature of heat and its conversion to mechanical, electric, and chemical energy. Historically, it grew out of efforts to construct…information theory
(Encyclopedia) information theory or communication theory, mathematical theory formulated principally by the American scientist Claude E. Shannon to explain aspects and problems of information and…perpetual-motion machine
(Encyclopedia) perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics. A machine that would produce more energy…enthalpy
(Encyclopedia) enthalpyenthalpyĕnˈthălpē [key], measure of the heat content of a chemical or physical system; it is a quantity derived from the heat and work relations studied in thermodynamics. As a…Clausius, Rudolf Julius Emanuel
(Encyclopedia) Clausius, Rudolf Julius EmanuelClausius, Rudolf Julius Emanuelr&oomacr;ˈdôlf y&oomacr;ˈly&oobreve;s āmäˈn&oomacr;ĕl klouˈzē&oobreve;s [key], 1822–88, German…Theories of the Universe: The Standard Model
The Standard ModelTheories of the UniverseScientific Origins of the UniverseBang That DrumA Big Bang AlternativeThe Accelerating UniversePlasma CosmologyThe Standard ModelThe Alpha and the OmegaIt's…Glossary of Chemical Terms - E
EA B C D E F G H I J K L M N O P Q R S T U V W X Y Z efficiency The ratio of work done or energy developed by a machine or engine, to the energy supplied to it. electrochemical Describes any…The Chemistry of Biology: Chemical Reactions: Ionic, Covalent, and Polar Covalent Bonds
Chemical Reactions: Ionic, Covalent, and Polar Covalent BondsThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic…Trending
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