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Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion.

 

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Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

Polydentate

Refers to ligands with more than one donor atom.

Ternary Compound

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

Particulate Matter

Fine divided solid particles suspended in polluted air.

Law of Partial Pressures (Dalton's Law)

The total pressure exerted by a mixture of gases is the sum of the partial pressures of the individual gases.

Vapor Pressure

The particle pressure of a vapor at the surface of its parent liquid.

Curie (Ci)

The basic unit used to describe the intensity of radioactivity in a sample of material. One curie equals 37 billion disintegrations per second or approximately the amount of radioactivty given off by 1 gram of radium.

Standard Entropy

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

Standard Reaction

A reaction in which the numbers of moles of reactants shown in the balanced equation, all in their standard states, are completely converted to the numbers of moles of products shown in the balanced equation, also sall at their standard state.

Noble Gases (Rare Gases)

Elements of the periodic Group 0, also called rare gases, formerly called inert gases, He,Ne,Ar, Kr, Xe, Rn.