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The rotation of plane polarized light by one of a pair of optical isomers.

 

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Reaction Ratio

The relative amounts of reactants and products involved in a reaction, maybe the ratio of moles. millimoles, or masses.

 

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

Associated Ions

Short-lived species formed by the collision of dissolved ions of opposite charges.

Acyl Group

Compound derived from a carbonic acid by replacing the --OH group with a halogen (X), usually --Cl, general formula is O R--C--X.

Molecule

The smallest particle of an element or compound capable of a stable, independent existence.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Atomic Mass Unit (amu)

One twelfth of a mass of an atom of the carbon-12 isotope, a unit used for stating atomic and formula weights, also called dalton.

Sulfuric Acid

H2SO4: colorless, oily liquid, boiling point 330C. A 96 percent solution is used in the laboratory.

Fire Hazard: This is a very powerful, acidic oxidizer which can Ignite or even explode on contact with many materials, i.e. acetic acid ,acetone+ HNOs, alcohols, + H202, NH4OH, HCL, NaOH, and others.

Sulfuric acid has a wide range of uses and plays a part in the production of nearly all manufactured goods.

Concentration

Amount of solute per unit volume or mass of solvent or of solution.

Heisenberg Uncertainty Principle

It is impossible to determine accurately both the momentum and position of an electron simultaneously.