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Solvent (or mobile phase) which passes through a chromatographic column and removes the sample components from the stationary phase.

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History of fireworks

There is an assumption that the history of fireworks started in China, about 2000 years ago. It is possible that the Chinese accidentally discovered explosions by burning bamboo canes.

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.

Standard Entropy

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

Kinetic Energy

Energy that matter processes by virtue of its motion.

Hydrogenation

The reaction in which hydrogen adds across a double or triple bond.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Dissociation Constant

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

Octahedral

A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

Catalyst

A substance that speeds up a chemical reaction without being consumed itself in the reaction.
A substance that alters (usually increases) the rate at which a reaction occurs.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.