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The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.

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Electrodes

Surfaces upon which oxidation and reduction half-reactions, occur in electrochemical cells.

Total Ionic Equation

Equation for a chemical reaction written to show the predominant form of all species in aqueous solution or in contact with water.

Calorimeter

A device used to measure the heat transfer between system and surroundings.

Ion

An atom or a group of atoms that carries an electric charge.

Evaporation Rate

The rate at which a particular substance will vapourize (evaporate) when compared to the rate of a known substance such as ethyl ether. This term is especially useful for health and fire-hazard considerations.

Inhibitory Catalyst

An inhibitor, a catalyst that decreases the rate of reaction.

Distillate

The material in a distillation apparatus that is collected in the receiver.

 

Colloid

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

Boiling Point Elevation

The increase in the boiling point of a solvent caused by the dissolution of a nonvolatile solute.

Ternary Compound

A compound consisting of three elements, may be ionic or covalent.