Example image of eyePlorer eyePlorer map for 'Hammond's postulate': Chemical reaction Hypothesis Transition state Transition state theory Thermodynamic free energy Endothermic Exothermic reaction Reagent Organic chemistry Reaction rate Activation energy Chemical equilibrium Gibbs free energy Rate-determining step Rearrangement reaction Thermodynamic versus kinetic reaction control Carbocation Microscopic reversibility George S. Hammond List of organic reactions Scientific phenomena named after people More O'Ferrall-Jencks plot Reactivity–selectivity principle Chemical law Chevron plot Free radical halogenation SN1 reaction Hammond Laws of science