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A dimensionless quantity whose magnitude is: equal to molar concentration in an ideal solution, equal to partial pressure in an ideal gas mixture, and defined as 1 for pure solids or liquids.

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Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.

Mass Number

The sum of the numbers of protons and neutrons in an atom, an integer.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Crystal Field Stabilization Energy

A measure of the net energy of stabilization gained by a metal ion's nonbonding d electrons as a result of complex formation.

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Second Law of Thermodynamics

The universe tends toward a state of greater diorder in spontaneous processes.

Solvation

The process by which solvent molecules surround and interact with solute ions or molecules.

Nickel-cadmium cell (Nicad battery)

A dry cell in which the anode is Cd, the cathode is NiO2, and the electrolyte is basic.

Metallic Conduction

Conduction of electrical current through a metal or along a metallic surface.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.