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Compound in which a carbonyl group is bound to two alkyl or two aryl groups, or to one alkyl and one aryl group.

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yttrium metal

Any of a subgroup of rare-earth elements, of which the cerium and terbium metals comprise the other two subgroups.

Denatured

A commercial term used to describe ethanol that has been rendered unfit for human consumption because of the addition of harmful ingredients to make it sales tax-expempt.

 

Standard Molar Enthalphy of Formation

The amount of heat absorbed in the formation of one mole of a substance in a specified state from its elements in their standard states.

Mole Fraction

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

 

Polydentate

Refers to ligands with more than one donor atom.

Endothermicity

The absorption of heat by a system as the process occurs.

Ion Product for Water

Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.

Electrolyte

A substance whose aqueous solutions conduct electricity.

 

Saccharate

A compound formed by interaction of sucrose with a metallic oxide, usually lime, and useful in the purification of sugar.

 

Electromotive Series

The relative order of tendencies for elements and their simple ions to act as oxidizing or reducing agents, also called the activity series.

Chemical Hygiene Officer (CHO)

A person or employee who is qualified by training or experience to provide technical guidance in the development and implementations of the provisions of a Chemical Hygiene Plan (CHP)

Emulsion

Colloidal suspension of a liquid in a liquid.

Activity Series

A listing of metals (and hydrogen) in order of decreasing activity.

Bronsted-Lowry Base

A proton acceptor

Solution

Homogeneous mixture of two or more substances.

High Spin Complex

Crystal field designation for an outer orbital complex, all t2g and eg orbitals are singly occupied before any pairing occurs.

Substance

Any kind of matter all specimens of which have the same chemical composition and physical properties.

 

Free Energy Change

The indicator of spontaneity of a process at constnt T and P. If delta-G is negative, the process is spontaneous.

Antibonding Orbital

A molecular orbital higher in energy than any of the atomic orbitals from which it is derived, lends instability to a molecule or ion when populated with electrons, denoted with a star (*) superscript or symbol.

Salinometer

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