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A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.

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van der Waals' Equation

An equation of state that extends the ideal gas law to real gases by inclusion of two empirically determined parameters, which are different for different gases.

Neutron

A neutral subatomic particle having a mass of 1.0087 amu.

Saccharide

An organic compound containing a sugar or sugars.

Distillation

The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid.

Forbidden Zone

A relatively large energy separation between an insulator's highest filled electron energy band and the next higher energy vacant band. Beginning in the fourth energy level, a set of seven degenerate orbitals per energy level, higher in energy than s, p, and d orbitals of the same energy level.

Reversible Reaction

Reactions that do not go to completion and occur in both the forward and reverse direction.

Specific Rate Constant

An experimentally determined (proportionality) constant, which is different for different reactions and which changes only with temperature, k in the rate-law expression: Rate = k [A] x [B]v.

Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.

Hydride

A binary compound of hydrogen.

 

Hydrophilic Colloids

Colloidal particles that repel water molecules.