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reaction enthalpy (H)
overall enthalpy change ΔH
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Esempi monolingue (non verificati dalla Redazione di PONS)
The standard enthalpy change for the first hydrolysis step is generally not very different from that of the dissociation of pure water.
en.wikipedia.org The enthalpy of solution is quite high, so reactions are done in large amounts of water to dilute it.
en.wikipedia.org For whatever power level the reactor is currently operating at, a certain amount of enthalpy is present in the coolant.
en.wikipedia.org In the approximation of ideal gases, lines of constant enthalpy are parallel to lines of constant WBT.
en.wikipedia.org Calcium chloride has a very high enthalpy change of solution.
en.wikipedia.org Esempi dal web (non verificati dalla Redazione di PONS)
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www.physikdidaktik.uni-karlsruhe.de The “ heat ” of the physicist as a “ process variable ” [ 6 ] is as poorly suited for this as the internal energy or the enthalpy so beloved by chemists.
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Die „ Wärme “ der Physik als „ Prozessgröße “ 6 ) taugt hierzu genau so wenig wie die innere Energie oder die bei den Chemikern beliebtere Enthalpie.
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www.metrohm.de While enthalpies of neutralization may be too low to obtain a satisfactory thermometric titration endpoint unaided, the use of a thermometric indicator enables very sharp endpoints to be obtained.
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Während die Änderung der Enthalpie im Moment der Neutralisierung ohne katalytische Verstärkung in der Regel zu gering ausfällt, um den Endpunkt thermometrisch präzise bestimmen zu können, liefert die Verwendung eines thermometrischen Indikators den gewünschten, scharfen Endpunkt.
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www.ifam.fraunhofer.de | Temperatures and enthalpies of physical changes such as melting and crystallization | Temperatures and enthalpies of chemical reactions such as crosslinking and curing | Glass transitions | Specific heat capacities Thermogravimetric analysis (TGA) cou- pled with mass spectroscopy (MS) mea- sures mass changes and can be used to determine:
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| Temperaturen und Enthalpien physika- lischer Umwandlungen wie Schmelz- und Kristallisationsvorgänge | Temperaturen und Enthalpien chemi- scher Reaktionen wie Vernetzungs- und Härtungsreaktionen | Glasübergänge | Spezifische Wärmekapazitäten Thermogravimetrische Analyse (TGA) gekoppelt mit Massenspektroskopie (MS) misst Masseänderungen und ermittelt:
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www.tf.uni-kiel.de Global equilibrium, defined by the absolute minimum of the free enthalpy of the system is often unattainable; the second best solution, local equilibrium where some local minimum of the free enthalpy must suffice.
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Das globale Gleichgewicht mit der absolut tiefsten freien Enthalpie läßt sich nicht immer erreichen, als "zweitbeste" Lösung wird der Kristall ein lokales Gleichgewicht anstreben.
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www.geotexpo.com In simplified terms, enthalpy means the energy content of a substance, e.g.: temperature or pressure.
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Enthalpie meint vereinfacht den Energieinhalt eines Stoffes, z.B.: Temperatur oder Druck.
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