# frequency factor

## frequency factor

[′frē·kwən·sē ‚fak·tər] (physical chemistry)

The constant

*A*(or ν) in the Arrhenius equation, which is the relation between reaction rate and absolute temperature*T*; the equation is*k*=*Ae*- (Δ*H*_{act}/*RT*), where*k*is the specific rate constant, Δ*H*_{act}is the heat of activation, and*R*is the gas constant.McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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