The term enthalpy was coined relatively late in the history of thermodynamics, in the early 20th century. Energy was introduced in a modern sense by Thomas Young in 1802, while entropy was coined by Rudolf Clausius in 1865. Energy uses the root of the Greek word ἔργον (ergon), meaning "work", to express the idea of capacity to perform work. Entropy uses the Greek word τροπή (tropē) meaning transformation or turning. Enthalpy uses the root of the Greek word θάλπος (th… Webenthalpy / ˈɛnθəlpɪ ɛnˈθæl-/ n. a thermodynamic property of a system equal to the sum of its internal energy and the product of its pressure and volume Symbol: H Also called: heat …
History of entropy - Wikipedia
WebSep 9, 2024 · Enthalpy is sometimes known as "heat content", but "enthalpy" is an interesting and unusual word, so most people like to use it. Etymologically, the word … WebOct 11, 2024 · The meaning of ENTROPY is a measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder, that is a property of the system's state, and that varies directly with any reversible change in heat in the system and inversely with the temperature of the system; … stephen t hodge attorney
Enthalpy - New World Encyclopedia
WebSep 1, 2014 · enthalpy Etymology, origin and meaning of enthalpy by etymonline Advertisement enthalpy (n.) 1927 in physics, from Greek enthalpein "to warm in," from en "in" (see en- (2)) + thalpein "to heat," from thalpos "warmth, heat," especially "summer … ENTERPRISE Meaning: "an undertaking," formerly also enterprize, from Old … entertainment. (n.). 1530s, "provision for support of a retainer; manner of social … ENTHRALL Meaning: "to hold in mental or moral bondage," 1570s, from en- (1) … enthusiasm. (n.). c. 1600, from French enthousiasme (16c.) and directly from … Webenthusiasm (n.). Um 1600 aus dem Französischen enthousiasme (16. Jh.) und direkt aus dem Lateinischen enthusiasmus entlehnt, aus dem Griechischen enthousiasmos "göttliche Inspiration, Begeisterung (hervorgerufen durch bestimmte Arten von Musik usw.)", von enthousiazein "von einem Gott inspiriert oder besessen sein, entrückt sein, in Ekstase … WebA process whose enthalpy and entropy changes are of the same arithmetic sign will exhibit a temperature-dependent spontaneity as depicted by the two yellow lines … pipe cleaners pokeys planet