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A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

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Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.

DP number

The degree of polymerization, the average number of monomer units per polymer unit.

Dumas Method

A method used to determine the molecular weights of volatile liquids.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

Strong Field Ligand

Ligand that exerts a strong crystal or ligand electrical field and generally forms low spin complexes with metal ions when possible.

Lone Pair

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

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.

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Chemistry & Environmental Dictionary - Contains definitions for many chemistry, environmental and other related technical terms and acronyms.
EDF Chemical Scoreboard - Toxic Release Inventory data for the US. Sources and amounts of toxic chemicals released to air and water. Also has information on health effects and other topics.
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Sigma Bonds

Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.

Saccharic

of or derived from saccharin or a saccharine substance.