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A Compound of the general formula R-C-O-R1 where R and R1 may be the same or different, and may be either aliphatic or aromatic.

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Rate-law Expression

Equation relating the rate of a reaction to the concentrations of the reactants and the specific rate of the constant.

Crystalline Solid

A solid characterized by a regular, ordered arrangement of particles.

Electrode Potentials

Potentials, E, of half-reactions as reductions versus the standard hydrogen electrode.

Heavy Water

Water containing deuterium, a heavy isotope of hydrogen.

Octet Rule

Many representative elements attain at least a share of eight electrons in their valence shells when they form molecular or ionic compounds, there are some limitations.

Valence Bond Theory

Assumes that covalent bonds are formed when atomic orbitals on different atoms overlap and the electrons are shared.

Double Bond

Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Dipole-dipole Interactions

Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.