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The amount of heat that must be removed from one gram of a vapor at it's condensation point to condense the vapour with no change in temperature.

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Dispersed Phase

The solute-like species in a colloid.

Heat of Solution

The amount of heat absorbed in the formation of solution that contains one mole of solute, the value is positive if heat is absorbed (endothermic) and negative if heat is released (exothermic).

Exothermicity

The release of heat by a system as a process occurs.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Dispersing Medium

The solvent-like phase in a colloid.

Atmosphere

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

Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Heat of Condensation

The amount of heat that must be removed from one gram of a vapor at it's condensation point to condense the vapour with no change in temperature.

Atom

The smallest particle of an element.

Sigma Orbital

Molecular orbital resulting from head-on overlap of two atomic orbitals.