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Activated complex

An intermediate structure formed in the conversion of reactants to products

Activation energy

Minimum energy required to convert reactants to products

Catalyst effect on the rate chemical of reaction

Substance that is neither of the active nor product

Chemical equilibrium

When forward and reverse reactions are occurring at equal rates rates

Collision theory

Order for a chemical reaction particles must collide with proper energy and proper alignment.

Constitution effect on the rate of chemical reaction

It increase in concentration of reactants will increase the rate of chemical reaction

Endothermic rxn

Chemical reactions that consume or require energy

Enthalpy

The heat energy, absorbed or released during a chemical reaction

Entropy

A measure of the randomness or chaos associated with the chemical reaction

Equilibrium

When two opposing processes, or occurring at equal rates

Exothermic Reaction

Chemical reactions that produce or release energy

Le chateliers principle

Predicts that when a stress is applied to an equallibrium mixture, the equilibrium shift to release the stress

Nature of reactants effect on the rate chemical of reaction

Reactions involve an ionic substances tend to have a faster rate than reactions, evolving covalent substances

phase equilibrium

In the process of freezing or melting or evaporating and condensing are occurring at equal rates

Physical equilibrium

Two opposing physical processes are occurring at equal rates

Potential energy diagrams

Used to illustrate energy, lost or gained

Pressure affect on the rate of reaction

An increase in pressure increase the rate of a chemical reaction

Reaction mechanism

the specific set of steps or reactions involved in an overall chemical reaction

Reaction rate

The speed at which reactions are converted into products

Solution equilibrium

When the processes of dissolving and precipitating are occurring at equal rates

Surface area effect on the rate chemical of reaction

An increase in the surface area of reactants will increase the rate of chemical

Temperature affect on the rate chemical reaction

An increase in temperature increase the rate of a chemical reaction