stoichiometry

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Words related to stoichiometry

(chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)

References in periodicals archive ?
The reader should note that the kinetic model is used not only to calculate the heat released by the exothermal polymerization reaction, but also to deduce the evolution of the extent of reaction calculated from the simulated curing temperature.
We've been working for several years to commercialize this biocatalyst, and now we've identified dszC as the prime determinant of both rate of reaction and extent of reaction," said Energy BioSystem's President and CEO Peter Policastro.
Critical extent of reaction at the gel point of bifunctional epoxy and tetrafunctional crosslinker is reported to be about 57.
The same FDEMS sensor was later attached to a steel pipe for insertion into the pilot plant's reactor for monitoring production batches based on the calibration of the sensor output with extent of reaction from the laboratory experiments.
a] is the apparent activation energy for the overall reaction, R is the gas constant, T is the absolute isothermal cure temperature, and f(x) is a function of the reaction mechanism and the extent of reaction x.
Also, for DOMS-SAA system, we examined whether liquid crystalline epoxies follow the gelation theory by Flory [9], which states that the extent of reaction at the gel point is constant regardless of the cure temperature, and studied the conversion dependence of the phase transformations that occur during cure.
The extent of reaction is given by the following equation
Figure 7 shows the extent of reaction ([alpha]) as a function of time for the cured DGEBA/PVPh/DDS mixtures.
In addition, the characteristic peak due to the oxirane ring is not strong enough to be useful as a basis for monitoring the extent of reaction.
For r = 1/2, the extent of reaction is further increased to 95% insoluble.
The definition of gel point is the time or the extent of reaction of monomers at which a three-dimensional network is formed at the macro scale throughout the resin.
The objective is to correlate ultrasonic velocity to extent of reaction based on the model experiments of poly(methyl methacrylate) in solution with MMA.
The effects of various processing conditions in a batch mixer and a single-screw extruder on the extent of reaction were assessed.