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A Ligand that exerts a weak crystal or ligand field and ge- nerally forms high spin complexes with metals.

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Substitution Reaction

A reaction in which an atom or a group of atoms is replaced by another atom or group of atoms.

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point

Lone Pair

Pair of electrons residing on one atom and not shared by other atoms, unshared pair.

Acetic Acid

CA3COOH, clear, colorless liquid, pungent odor. Boiling point 140C, flash point 54C (closed cup), autoignition temperature 38OC.

Salinometer

An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."

Conformations

Structures of a compound that differ by the extent of rotation about a single bond.

Second Law of Thermodynamics

The universe tends toward a state of greater diorder in spontaneous processes.

Absolute Entropy (of a substance)

The increase in the entropy of a substance as it goes from a perfectly ordered crystalline form at 0 °K (where its entropy is zero) to the temperature in question.

Entropy is a measure of the “dilution” of thermal energy.

Unsaturated Hydrocarbons

Hydrocarbons that contain double or triple carbon-carbon bonds.

Coulomb

Unit of electrical charge.