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The study of the energy transfers accompanying physical and chemical processes.

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Eluate

Solvent (or mobile phase) which passes through a chromatographic column and removes the sample components from the stationary phase.

Mole Fraction

The number of moles of a component of a mixture divided by the total number of moles in the mixture.

 

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Heterogeneous Mixture

A mixture that does not have uniform composition and properties throughout.

Chemical Equilibrium

A state of dynamic balance in which the rates of forward and reverse reactions are equal, there is no net change in concentrations of reactants or products while a system is at equilibrium.

Solubility Product Principle

The solubility product constant expression for a slightly soluble compound is the product of the concentrations of the constituent ions, each raised to the power that corresponds to the number of ions in one formula unit.

Low Spin Complex

Crystal field designation for an inner orbital complex, contains electrons paired t2g orbitals before eg orbitals are occupied in octahedral complexes.

Capillary Action

The drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces, or the depression of the surface of the liquid when cohesive forces exceed the adhesive forces.

Colloid

A heterogeneous mixture in which solute-like particles do not settle out.

Adhesive Forces

Forces of attraction between a liquid and another surface.