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Arrhenius equation
(redirected from Arrhenius law)

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Arrhenius equation [ar′rā·nē·əs i′kwā·zhən]
(physical chemistry)
The relationship that the specific reaction rate constantkequals the frequency factor constantstimes exp (-ΔHact/RT), where ΔHactis the heat of activation,Rthe gas constant, andTthe absolute temperature.
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The rate constant, B, at any temperature, [theta] (or T), can be estimated using the Arrhenius law if the reference rate constant ([B.
Rates of moisture sorption from food packaging materials by Cleland, Donald J.; Tanner, David J.; Bronlund, John E.; Merts, Inge / ASHRAE Transactions
They are based on the isoconversional principle, which states that the reaction rate at constant extent of conversion is only a function of temperature through an Arrhenius law.
Curing kinetics and chemorheological analysis of polyurethane ... by Dimier, F.; Sbirrazzuoli, N.; Vergnes, B.; Vincent, M. / Polymer Engineering and Science
The [gamma] mechanical relaxation has been observed at about -100[degrees]C at 1 Hz (8-11) This transition obeys an Arrhenius law and the activation energy is about 50 kJ/mol (4, 9, 10).
On the dynamic mechanical behavior of polyimides based on aromatic ... by Bas, Corine; Tamagna, Cecile; Pascal, Thierry; Alberola, N. Dominique / Polymer Engineering and Science
 
 
 
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