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Association (chemistry) : ウィキペディア英語版
Dissociation (chemistry)

Dissociation in chemistry and biochemistry is a general process in which molecules (or ionic compounds such as salts, or complexes) separate or split into smaller particles such as atoms, ions or radicals, usually in a reversible manner. For instance, when an acid dissolves in water, a covalent bond between an electronegative atom and a hydrogen atom is broken by heterolytic fission, which gives a proton (H+) and a negative ion. Dissociation is the opposite of recombination.
== Dissociation constant ==
(詳細はchemical equilibrium
: AB A + B
the dissociation constant ''K''a is the ratio of dissociated to undissociated compound
: K_a = \mathrm}
where the brackets denote the equilibrium concentrations of the species.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Dissociation (chemistry)」の詳細全文を読む



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