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Method of determining the rate-law expression by carrying out a reaction with different initial concentrations and analyzing the resultant changes in initial rates.

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Buffer Solution

Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.

Limiting Reactant

Substance that stoichiometrically limits the amount of product(s) that can be formed.

Lanthanides

Elements 58 to 71 (after lanthanum).

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.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.

Free Radical

A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.

Semipermable Membrane

A thin partition between two solutions through which certain molecules can pass but others cannot.

Reducing Agent

The substance that reduces another substance and is oxidized.

Formal Charge

A method of counting electrons in a covalently bonded molecule or ion, counts bonding electrons as though they were equally shared between the two atoms.

Ampere

Unit of electrical current, one ampere equals one coulomb per second.