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    An electric cell or battery that can becharged by passing an electric currentthrough it. Because the chemical reaction inthe cell is reversible,current passed throughit in the opposite direction to which it sup-plies current will convert the reaction prod...[繼續(xù)閱讀]

    See ethanoate參閱221頁(yè)ethanoate。...[繼續(xù)閱讀]

    See ethanoic acid參閱222頁(yè)ethanoic acid。...[繼續(xù)閱讀]

    See acac參閱3頁(yè)acac。...[繼續(xù)閱讀]

    See ethyne參閱223頁(yè)ethyne。...[繼續(xù)閱讀]

    See carbon參閱108頁(yè)carbon。...[繼續(xù)閱讀]

    a molecule that does notexhibit optical activity.See chirality描述沒(méi)有旋光性的分子。參閱130頁(yè)chirality。...[繼續(xù)閱讀]

    A substance that contains hydrogenand dissociates in solution to give hydrogenions :HA⇌H+ +A-More accurately,the hydrogen ion is solvated(a hydroxonium ion):HA +H2O⇌H3O++A-Strong acids are completely dissociated inwater. Examples are sulfuric ...[繼續(xù)閱讀]

    Having a tendency to release a pro-ton or to accept an electron pair from adonor. In aqueous solutions the pH is a mea-sure of the acidity,i.e.an acidic solution isone in which the concentration of H3O+ ex-ceeds that in pure water at the same tempera-ture...[繼續(xù)閱讀]

    A hydrogen atom in amolecule that enters into a dissociation equi-librium when the molecule is dissolved in asolvent. For example,in ethanoic acid(CH3COOH) the acidic hydrogen is the oneon the carboxyl group,-COOH分子溶解在溶劑中時(shí)進(jìn)入解離平衡的分子中氫原子。 例如乙酸(CH3CO...[繼續(xù)閱讀]