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 researchers say such an 'inverse reaction' should give them an estimate of the reaction rate that actually occurs in stars, with higher accuracy than has previously been achieved.
The parameters are solar radiation incidence angle, air diffuser position, air exchange rate, and chemical reaction rate between OH radicals and VOCs.
However, further kinetic calculation of the [C.sub.2][H.sub.5] + NCO reaction is needed to determine its product distribution and temperature and pressure dependence of its reaction rate constant at wider measuring ranges.
In this phase, the heat released by the initial flame kernel was mainly used for fuel evaporation, thus accelerating the chemical reaction rate. (2) High-speed development phase of flame, the period between the growth rates of the area became positive and reached the maximum.
Therefore, the times that analogous blends reach a given force can be used to estimate reaction rate constant ratios.
Additionaly the effect of Fe +2 concentration on the initial reaction rate is represented in Table 4.
It has been observed that the temperature is not considered as a variable influencing the reaction rate, and therefore, these systems are assumed to be isothermal (7, 8).
They found that the layer of the product film formed on the mineral surface affects the reaction rate and the level of this effect differs for every acid [19].
In the next section a knock model based on cell-average values and detailed chemistry tabulation is presented as the representative of a family of models where the focus is put on the accuracy of the local reaction rate: to this aim a tabulation of detailed chemistry results is adopted, while average values for the local physical conditions are considered.
According to the researchers, the use of nanotubes in the production of the sensor increases the reaction rate of the sensor.
The reaction rate increases when the surface of the bubbles explodes.