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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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Boyle's Law

At constant temperature the volume occupied by a definite mass of a gas is inversely proportional to the applied pressure.

First Law of Thermodynamics

The total amount of energy in the universe is constant (also known as the Law of Conservation of Energy) energy is neither created nor destroyed in ordinary chemical reactions and physical changes.

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Adhesive Forces

Forces of attraction between a liquid and another surface.

Pauli Exclusion Principle

No two electrons in the same atom may have identical sets of four quantum numbers.

Organic Chemistry

The chemistry of substances that contain carbon-hydrogen bonds.

Electrolysis

Process that occurs in electrolytic cells.

Avogadro's Number

The number (6.022x10^23) of atoms, molecules or particles found in exactly 1 mole of substance.

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

Half-Reaction

Either the oxidation part or the reduction part of a redox reaction.