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Kinetics

Activated complex
An arrangement of atoms in an arbitrary region near the saddle point of a potential energy surface
Activation energy
Energy that must be input to a system to undergo a reaction or process
Arrhenius equation
Formula for temperature dependence of rates of chemical reactions
Chemical kinetics
Study of the rates of chemical reactions
Collision frequency
Number of collisions made by particles in a volume per time
Collision theory
Kinetic theory of gases
Entropy of activation
Hammond's postulate
Hypothesis in physical organic chemistry
Law of mass action
Scientific law
Pre-exponential factor
Pre-exponential constant in the Arrhenius equation in Chemical Kinetics
Rate equation
Equation linking reaction rate with concentrations of reactants in a chemical reaction
Rate-determining step
Slowest step of a chemical reaction
Reaction coordinate
Abstract coordinate depicting chemical reaction progress
Reaction rate
For a reactant or product in a particular reaction is intuitively defined as how quickly or slowly a reaction takes place
Reaction rate constant
Quantifies the rate of a chemical reaction
Transition state
Configuration of a chemical reaction when potential energy is greatest
Transition state theory
Scientific theory