... Journal of Physical Organic Chemistry: Previous article in issue: A ... Table 7. Comparative kinetic and thermodynamic parameters at 400 °C. Substrate, k 1 × 10 4 (s −1 ), E a (kJ mol −1 ), log A (s −1 ), ΔS ≠ (J mol −1 K), ΔH ≠ (kJ mol −1 ), ΔG ≠ (kJ mol −1 ), Ref. a Overall rate. b ...