A catalyst that exists in the same phase (solid, liquid or gas) as the reactants. The process is called Homogeneous Catalysis.
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Percentage Ionization
The percentage of the weak electrolyte that ionizes in a solution of given concentration.
Mole Fraction
The number of moles of a component of a mixture divided by the total number of moles in the mixture.
Neutralization
The reaction of an acid with a base to form a salt and water. Usually, the reaction of hydrogen ions with hydrogen ions to form water molecules.
Electrolytic Conduction
Conduction of electrical current by ions through a solution or pure liquid.
Colligative Properties
Physical properties of solutions that depend upon the number but not the kind of solute particles present.
Transition State Theory
Theory of reaction rates that states that reactants pass through high-energy transition states before forming products.
Condensed States
The solid and liquid states.
Fuel Cells
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.
Lanthanides
Elements 58 to 71 (after lanthanum).
Law of Combining Volumes (Gay-Lussac's Law)
At constant temperature and pressure, the volumes of reacting gases (and any gaseous products) can be expressed as ratios of small whole numbers.
