全国通用版版高考化学大一轮复习第讲化学能与热能考点盖斯定律反应热的计算考题集萃实战演练(共2页).doc

精选优质文档-倾情为你奉上第六章第23讲考点四1(1)(2017海南卷节选)已知：2NaOH(s)CO2(g)=Na2CO3(s)H2O(g)H127.4 kJmol1NaOH(s)CO2(g)=NaHCO3(s)H2131.5 kJmol1反应2NaHCO3(s)=Na2CO3(s)H2O(g)CO2(g)的H_135.6_kJmol1。(2)(2017全国卷节选)已知：As(s)H2(g)2O2(g)=H3AsO4(s)H1H2(g)O2(g)=H2O(l)H22As(s)O2(g)=As2O5(s)H3则反应As2O5(s)3H2O(l)=2H3AsO4(s)的H_2H13H2H3_。(3)(2016全国卷丙节选)已知下列反应：SO2(g)2OH(aq)=SO(aq)H2O(l)H1ClO(aq)SO(aq)=SO(aq)Cl(aq)H2CaSO4(s)=