reaction rate


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reaction rate:

see chemical reactionchemical reaction,
process by which one or more substances may be transformed into one or more new substances. Energy is released or is absorbed, but no loss in total molecular weight occurs.
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References in periodicals archive ?
The presence of Nil impurities slows down the reaction rate, but with the exception of the compound with 3 phf NR impurity, this retarding effect is significant, but small.
The reaction rate constant k values tabulated in Table 3 were obtained from the plot of ln([M.
A loop is established within which the amount of vulcanization that takes place during the time increment [DELTA]t, a new temperature of each node at the end of the time increment and a new crosslinking reaction rate constant are all calculated.
If we assume that the reaction between the adsorbed AA and BD in the liquid phase (Equation (4)) is the rate-controlling step, the overall reaction rate becomes:
0 mmol/L), the reaction rate (A/min) of the calibrator increased, reaching almost the maximum at 5.
The reaction rate laws derived from the elementary reaction steps in Scheme 1 a and b, respectively, are shown as follows (14):
This implies that the reaction rate with respect to oxygen concentration is first order.
What's more, the faster reaction rates lead to fewer undesirable by-products.
8) suggest that the heterogeneous copolymerization of VDF and HFP occurs in two loci, the continuous and the polymer phase, while under some circumstances the reaction rate can be described by one-locus models (22).
Other researchers, including John Bahcall of the Institute for Advanced Study in Princeton, used earlier data to argue that the proton-nitrogen-14 reaction rate is slower than the rate that had been assumed.
The rolling-up of this interface leads to a structure with spiral topology and increases the area of mixed fluids, so that diffusion rates, dissipation rates, reaction rate and combustion rates are very sensitive to this dynamical process.
2 and 3, the reaction rate constant k and reaction order n can be determined accordingly (Fig.