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Chemical Kinetics & Catalysis

7 terms


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Chemical Kinetics & Catalysis

Activated Complex

The transient arrangement of atoms present at the transition state, poised between reactants and products.

kJ/mol
Chemical Kinetics & Catalysis

Activation Energy

The minimum energy that colliding particles must possess for a reaction to occur.

Ea = E(transition state) − E(reactants) kJ/mol
Chemical Kinetics & Catalysis

Active Site

The specific region of a catalyst or enzyme at which the reacting molecules bind and are transformed.

Dimensionless
Chemical Kinetics & Catalysis

Adsorption

The accumulation of molecules of a gas or liquid on the surface of a solid.

mol/g
Chemical Kinetics & Catalysis

Arrhenius Equation

The equation describing how a rate constant varies with temperature and activation energy.

k = A e^(−Ea/RT) Various
Chemical Kinetics & Catalysis

Autocatalysis

Catalysis of a reaction by one of its own products.

Dimensionless
Chemical Kinetics & Catalysis

Average Rate

The overall change in concentration divided by the total time interval over which it occurred.

rate_avg = Δ[A] / Δt mol/(L·s)