rate constant


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Related to rate constant: equilibrium constant

rate constant

The speed of a chemical reaction. It varies with absolute (Kelvin) temperature.
See also: constant
References in periodicals archive ?
where, m a and m t are swelling rate at infinite time and at time t, (g/g), k r1 is the rate constant. The equation can be simplified into a linear function
where [Kd.sub.2] is the rate constant of two growing macromolecular chains with undecomposed peroxides.
Lin, "The NCO + NO reaction revisited: Ab initio MO/VRRKM calculations for total rate constant and product branching ratios," The Journal of Physical Chemistry A, vol.
Exponential variation in the values of k obs and Pseudo first order rate constant was observed by the increase in the term ln At/Ao.
The rate constant was estimated as that for the primary hydrogen atom transfer through a 8-memered ring TS in the system of [PODE.sub.1], while the activation energy was decreased by 3 kcal/mol due to the more labile nature of the secondary hydrogen atoms [27,34].
Absorption rate constant (ka) [l/h]###0.41###0.33###0.07###0.13###1.77
where [(RA)] is the concentration of the isomerized ligand--receptor complex bound at time t, exponent coefficient d is the apparent rate constant of the reaction, and c is the specific binding at equilibrium.
The dissociated molecules are then transported into the release medium through diffusion, also approximated as a 1st-order process, with the rate constant [k.sub.d].
Caption: FIGURE 7: (a) Arrhenius plot of rate constant against frying temperatures at vacuum frying conditions for colour parameters.
Abbasi, Shquirat (2008) showed that the value of microbial specific growth rate constant ([mu]) is related to the microbial concentration and increasing that will lead to enhancement of this value.
Reaction in the water make minor contribution to the observed rate constant. The first order rate constant for [K.sub.[PSI]] OH ion is given by the following equation: