Arrhenius equation(redirected from Arrhenius' law)
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Arrhenius equation[ar′rā·nē·əs i′kwā·zhən]
The relationship that the specific reaction rate constant k equals the frequency factor constant s times exp (-Δ Hact/ RT), where Δ Hactis the heat of activation, R the gas constant, and T the absolute temperature.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.