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Terminology Question: non-Arrhenius

by Useful nucleus
Tags: nonarrhenius, terminology
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Useful nucleus
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Feb14-13, 02:21 PM
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A temperature activated phenomenon/process, K, is said to be Arrhenius if dlog(K)/d(1/T) is constant where T is the absolute temperature.

Now suppose a process exhibits two constant slopes (m1,m2) when plotted versus (1/T), say m1 governs the low T behavior and m2 governs the high T behavior. Can one call this a non-Arrhenius process. Or is it necessary for the curvature of the plot to have a nonzero value in order for this process to be called non-Arrhenius.
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