chemical reaction

(redirected from Reaction rate)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

chemical reaction,

n rearrangement of atoms or ions accompanying energy change. A catalyst, such as heat or an enzyme, may alter the rate of reaction.
References in periodicals archive ?
Again, the presence of NR impurities lowers the start reaction rate significantly (figure 3).
The predicted reaction rates, published March 18 in Physical Review Letters, agree well with the rates observed by Jin and Ye.
The reaction rate was significantly affected the reaction temperature.
and German experiments have shown that fusion reaction rates and other properties in magnetically confined plasmas can be significantly improved by a relatively small amount of microwave power, applied at precisely the right location in the plasma.
The reaction rate was measured at 25-34 time points (7.
Curing parameters of blended MFSR such as curing reaction rate, reaction rate constant (k), and activation energy (E) were calculated.
0] = original amount of peroxide, or 100%; A = the amount of peroxide at any time, t; and k = the reaction rate constant, expressed in reciprocal seconds.
That enables it to estimate the reaction rate by calculating what proportion of initial states would end with the molecules reacting.
Esterification is an acid-catalyzed reaction and liquid acid catalysts are frequently used to increase the reaction rate.
Because the product has a very low allergic reaction rate, testing is not required at the present time.
Serum (15 [micro]L) or urine (3 [micro]L) and R1 (300 [micro]L) were mixed, and the reaction rate was measured at measurement points 6-24, from 1 min to 5 min after the mixing (test I).
The existence of correlations between the gas reactions and how the enthalpy or catalycity are influenced by change in the reaction rate coefficients is of large interest.