Lei Liu <br/><br/>
The relationships between activation energies and reaction energies 

 - P 836-839 
<br/><br/> The relationship between reaction energies and activation energies has been of interest for long in the field of<br/>chemistry. Two such relationships, Brønsted–Evans–<br/>Polanyi principle and Marcus equation, are well-known<br/>and widely used. Here we derived an extended Marcus<br/>equation with reaction distance. From this equation,<br/>the parabolic curve of activation energy–reaction energy can be both upward and downward. We also predict the existence of the reverse BEP relationship in<br/>which the activation energy decreases with the increase<br/>of reaction endothermicity in a certain range. 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>BEP relationship<br/>dehydrogenation reaction<br/>harmonic oscillator approximation, MoO3<br/>Marcus equation