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The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

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Coordinate Covalent Bond

A covalent bond in which both shared electrons are donated by the same atom, a bond between a Lewis base and a Lewis acid.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Henry's Law

The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

Emulsifying Agent

A sustance that coats the particles of the dispersed phase and prevents coagulation of colloidal particles, an emulsifier.

Dissociation Constant

Equilibrium constant that applies to the dissociation of a comples ion into a simple ion and coordinating species (ligands).

Substitution Reaction

A reaction in which an atom or a group of atoms is replaced by another atom or group of atoms.

Limiting Reactant

Substance that stoichiometrically limits the amount of product(s) that can be formed.

Effective Collisons

Collision between molecules resulting in a reaction, one in which the molecules collide with proper relative orientations and sufficient energy to react.

 

Hess' Law of Heat Summation

The enthalpy change for a reaction is the same whether it occurs in one step or a series of steps.

Standard Molar Volume

The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.