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Voltaic cells in which the reactants (usually gases) are supplied continuously.
A voltaic cell that converts the chemical energy of a fuel and an oxidizing agent directly into electriacl energy on a continuous basis.

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Complex Ions

Ions resulting from the formation of coordinate covalent bonds between simple ions and other ions or molecules.

Greenhouse Effect

Trapping of heat at the surface of the earth by carbon dioxide and water vapour in the atmosphere.

Polydentate

Refers to ligands with more than one donor atom.

Freezing Point Depression

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

Allotropic Modifications (Allotropes)

Different forms of the same element in the same physical state.

Nodal Plane

A region in which the probability of finding an electron is zero.

 

Reaction Quotient

The mass action expression under any set of conditions (not necessarily equlibrium), its magnitude relative to K determines the direction in which the reaction must occur to establish equilibrium.

Standard Entropy

The absolute entropy of a substance in its standard state at 298 K.

Ionization Constant

Equilibrium constant for the ionization of a weak electrolyte.

Linkage Isomers

Isomers in which a particular ligand bonds to a metal ion through different donor atoms.