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The vapor pressure of a solvent in an ideal solution decreases as its mole fraction decreases.

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Ion

An atom or a group of atoms that carries an electric charge.

Polarimeter

A device used to measure optical activity.

Reaction Ratio

The relative amounts of reactants and products involved in a reaction, maybe the ratio of moles. millimoles, or masses.

 

Polymerization

The combination of many small molecules to form large molecules.

Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

Spectral Line

Any of a number of lines corresponding to definite wavelengths of an atomic emission or absorption spectrum, represents the energy difference between two energy levels.

 

Phenol

Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.

 

Heterocyclic Amine

Amine in which the nitrogen is part of a ring.

Effective Nuclear Charge

The nuclear charge experienced by the outermost electrons of an atom, the actual nuclear charge minus the effects of shielding due to inner-shell electrons.
Example: Set of dx2-y2 and dz2 orbitals, those d orbitals within a set with lobes directed along the x-, y-, and z-axes.

Can water burn?

It’s known that water consists of atoms of molecules of oxygen and hydrogen. Since any compound with oxygen indicates the ability of the substance to burn, water is no exception. Thus, water has a surprising property of already "burnt out" compound.