Examples of 'activity coefficients' in a sentence
Meaning of "activity coefficients"
Activity coefficients refer to the ratio of the actual concentration of a species to its concentration as calculated from its molarity. They are commonly used in the field of chemistry to understand the behavior of solutions
How to use "activity coefficients" in a sentence
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activity coefficients
Note that in general activity coefficients are dimensionless.
Certain thermodynamic quantities have been calculated from the activity coefficients.
The activity coefficients of KCl at elevated temperatures.
Activities and activity coefficients.
Measurement of osmotic coefficients provides one means for determining mean activity coefficients.
The activity coefficients γ.
Equivalences among different forms of activity coefficients and chemical potentials.
From these activity coefficients the pKaprimes are calculated as EPMATHMARKEREP.
Otherwise conditions must be adjusted so that activity coefficients do not vary much.
The activity coefficients of KCI at elevated temperatures.
This allowed for calculating the ionic activity coefficients in the ternary mixtures.
UNIFAC attempts to be a general model for the successful prediction of activity coefficients.
Assume that the activity coefficients are all equal to 1.
The NRTL model was selected for calculating the activity coefficients.
Activity coefficients may be determined experimentally by making measurements on non-ideal mixtures.
See also
Deviations from ideality can be described by the use of Margules functions or activity coefficients.
The values of the activity coefficients can be approximated by the Debye-Huckel equation,.
Debye and Hückel developed a theory with which single ion activity coefficients could be calculated.
Activity coefficients are also determined using an Associated Mean Spherical Approximation ( AMSA ) approach.
Other options are direct experimental work and predicted activity coefficients with UNIFAC and similar models.
Activity coefficients in the standard state are, by definition, equal to 1.
Concept of the activity-based table of accounts and matrix of activity coefficients.
From these freezing points, the activity coefficients at the freezing temperatures have been calculated.
In the simulation, an ideal solution is assumed for the liquid activity coefficients.
Figure 4 shows the evolution of the ionic activity coefficients as a function of the ionic strength.
The latter quantity was obtained by an extrapolation procedure, taking account of the activity coefficients.
ZnS activity coefficients and sphalerite composition Delgado and Soler, 2005.
This takes account of the temperature-dependence of activity coefficients of ions in the liquid.
Where [ HA ] represents the concentration of HA and Γ is a quotient of activity coefficients.
Expressions were derived for the variation of single-ion activity coefficients as a function of ionic strength.
Keywords, kinetic medium effects, mean spherical approximation, activity coefficients.
Key words, excess Gibbs energy, carboxylic acids, acetonitrile, activity coefficients.
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