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The percent of a specified compound or element in an impure sample.

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Clay

A class of silicate and aluminosilicate minerals with sheet-like structures that have enormous surface areas that can absorb large amounts of water.

Liquid Aerosol

Colloidal suspension of liquid in gas.

Denaturation

A process pertaining to a change in structure of a protein form regular to irregular arrangement of the polypeptide chains.

Free Energy, Gibbs Free Energy

The thermodynamic state function of a system that indicates the amount of energy available for the system to do useful work at constant T and P.

Canal Ray

Stream of positively charged particles (cations) that moves toward the negative electrode in cathode ray tubes, observed to pass through canals in the negative electrode.

Bond Order

Half the numbers of electrons in bonding orbitals minus half the number of electrons in antibonding orbitals. Bond order gives an indication to the stability of a bond. Also defined as the difference between the number of bonding electrons and antibonding electrons divided by two.

Second Law of Thermodynamics

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

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.

Mechanism

The sequence of steps by which reactants are converted into products.

Fatty Acids

An aliphatic acid, many can obtained from animal fats.