pre-exponential factor, A

Coefficient in front of the exponential factor expressing the empirical temperature dependence of the rate coefficient, $k$ , on temperature, $T$ , $k = A exp ( − E a / R T )$ , where $E a$ is the activation energy.

Source:

Green Book, 2nd ed., p. 56

PAC, 1996, 68, 149 (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 177

pre-exponential factor, $A$

Also contains definition of: $A$ -factor

Synonym: Arrhenius $A$ factor

Also contains definition of: -factor

Synonym: Arrhenius factor

Also contains definition of: $A$ -factor

Synonym: Arrhenius $A$ factor