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Chemical Kinetics & Catalysis

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Chemical Kinetics & Catalysis

Temperature Coefficient

The factor by which a reaction rate increases for a 10 °C rise in temperature.

Q₁₀ = k(T+10) / k(T) Dimensionless Chemical Kinetics & Catalysis

Termolecular Reaction

An elementary step requiring the simultaneous collision of three species.

rate = k[A][B][C] L²/(mol²·s) Chemical Kinetics & Catalysis

Threshold Energy

The minimum total energy that colliding molecules must possess for the collision to be capable of reaction.

E_threshold = Ea + E_average kJ/mol Chemical Kinetics & Catalysis

Transition State

The highest-energy configuration along the reaction coordinate, at which bonds are partly broken and partly formed.

denoted ‡ kJ/mol Chemical Kinetics & Catalysis

Transition State Theory

The theory that treats the activated complex as being in quasi-equilibrium with reactants and calculates rate from its decomposition…

k = (k_BT/h) e^(−ΔG‡/RT) Various Chemical Kinetics & Catalysis

Turnover Number

The number of substrate molecules converted per catalytic site per unit time.

TON = molecules converted / active sites s⁻¹