Questions: From physical chemistry viewpoint comment if enthalpy of activation H,kJ/mol; entropy of activation S,J/molK, and; free energy of activation (Gibbs), G could be used to predict the passage between reversibility and irreversibility of enzyme deactivation (thermal)? Questions: From physical chemistry viewpoint comment if enthalpy of activation H,kJ/mol; entropy of activation S,J/molK, and; free energy of activation (Gibbs), G could be used to predict the passage between reversibility and irreversibility of enzyme deactivation (thermal)