rate constant

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rate constant

[′rāt ‚kän·stənt]
(physical chemistry)
Numerical constant in a rate-of-reaction equation; for example, rA = kC aA C bB C cC, where CA ,CB , and CC are reactant concentrations, k is the rate constant (specific reaction rate constant), and a, b, and c are empirical constants.
References in periodicals archive ?
The volumetric reaction was assumed to occur with a rate coefficient of k = 3.
As a result, the acidity of solution enhances and the rate coefficient of initiation of [([NH.
t], which have been represented as functions of flow rate coefficient [phi] for the two fans:
If first-order kinetics is found to be an adequate approximation for this system, a conventional fit of concentration/time data then yields the pseudo-first-order rate coefficient for the process.
In model 1 using the REERT, the exchange rate coefficient is not significant, but the coefficients of OECD GDP for the current period and the first lag are significant.
A description of Cooperation functional cooperation rate coefficient 1 All products are produced and 0 sold and services are provided by an enterprise 2 Production and selling 0.
Already in the beginning of the 20th century it was shown [1] that the dissolution rate coefficient depended on the stirring rate, temperature, and surface and on the arrangement of the dissolution device.
time the kinetic parameters of the process, rate coefficient of reaction [k.
For this period, then, the exchange rate coefficient alone is used to discern whether or not the voluntary export restraints were binding.
In the export results reported in Table 1, 44% of durables (12 of the 27) carry an expectedly negative and significant exchange rate coefficient.