" /> kinetic activity factor - CISMeF





Preferred Label : kinetic activity factor;

IUPAC definition : A factor involving activity coefficients that appears as a multiplier in the rate equation. For a bimolecular reaction the factor is \[\frac{y_{{A}}\ y_{{B}}}{y_{\ddagger}}\] where y A, y B and y ‡ are the activity coefficients for the reactants A and B and the activated complex, respectively. For a unimolecular reaction the factor is \[\frac{y_{{A}}}{y_{\ddagger}}\] and for a trimolecular reaction it is \[\frac{y_{{A}}\ y_{{B}}\ y_{{C}}}{y_{\ddagger}}\];

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A factor involving activity coefficients that appears as a multiplier in the rate equation. For a bimolecular reaction the factor is \[\frac{y_{{A}}\ y_{{B}}}{y_{\ddagger}}\] where y A, y B and y ‡ are the activity coefficients for the reactants A and B and the activated complex, respectively. For a unimolecular reaction the factor is \[\frac{y_{{A}}}{y_{\ddagger}}\] and for a trimolecular reaction it is \[\frac{y_{{A}}\ y_{{B}}\ y_{{C}}}{y_{\ddagger}}\]

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29/07/2025


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