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Compounds that contain more than two elements but are named like binary compounds.

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Osmotic Pressure

The hydrostatic pressure produced on the surface of a semipermable membrane by osmosis.

Cell Potential

Potential difference, Ecell, between oxidation and reduction half-cells under nonstandard conditions.

 

Mechanism

The sequence of steps by which reactants are converted into products.

Emission Spectrum

Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to lower energy states.

 

Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Buffer Solution

Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.

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.

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point

Ligand

A Lewis base in a coordination compound.

Double Bond

Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.