This is analogous to the Lyman-alpha line transition for hydrogen, and has the same frequency factor.
2.
Since at temperature " T " the molecules have energies given by a Boltzmann distribution, frequency factor.
3.
"A " was referred to as the frequency factor ( now called the pre-exponential coefficient ), and " E " a is regarded as the activation energy.
4.
It is defined as the ratio between the experimental value and the predicted one ( or the ratio between the frequency factor and the collision frequency ), and it is most often less than unity.
5.
If the reaction is first order it has the units : s " 1, and for that reason it is often called the " frequency factor " or " attempt frequency " of the reaction.
6.
The phase plots are horizontal up to a frequency factor of ten below the pole ( zero ) location and then drop ( rise ) at 45?/ decade until the frequency is ten times higher than the pole ( zero ) location.
7.
Since at temperature " T " the molecules have energies according to a Boltzmann distribution, one can expect the proportion of collisions with energy greater than " E a " to vary with " e " . " A " is the pre-exponential factor, or frequency factor ( not to be confused here with the reactant A ).
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