Chemical Kinetics

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3 domain-specific abstractions whose origin domain is Chemical Kinetics.

• Collision frequency — The expected number of encounters between specified atomic or molecular species per unit volume and unit time under a kinetic model.
• Molecularity — The number of reacting species participating in one elementary reaction step as written in its molecular mechanism.
• Variational Transition-State Theory — A chemical rate theory that searches a family of reactant–product dividing surfaces and uses the surface giving the smallest transition-state-theory flux or rate upper bound as the dynamical bottleneck.