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ÒÑÖª£ºH+(aq) + OH-(aq) =H2O(l) £»¡÷H=£­57.3 kJ/mol¡£¶ÔÓÚÏÂÁз´Ó¦£º

¢ÙHCl(aq) + NH3?H2O(aq)= NH4Cl(aq) + H2O(l) £»¡÷H=£­a kJ/mol

¢ÚHCl(aq) + NaOH(s) = NaCl(aq) + H2O(l) £»¡÷H=£­b kJ/mol

¢ÛHNO3(aq) + KOH(aq) = KNO3(aq) + H2O(l) £»¡÷H=£­c kJ/mol

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