摘要:下列热化学方程式书写正确的是 A.2SO2 + O2 =2SO3,△H=-196.6kJ·mol-1 B.2H2(g)+O2(g)= 2H2O(l),△H=-571.6kJ·mol-1 C.2H2(g)+O2(g)=2H2O(l),△H=-571.6kJ D.C(s)+O2(g)=CO2(g),△H=+393.5kJ·mol-1
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下列热化学方程式书写正确的是
A.2SO2+O2 2SO3; △H=-196.6kJ/mol
B.C(s)+O2(g)==CO2(g);△H=393.5kJ/mol
C.1/2H2(g)+1/2Cl2(g)==HCl(g);△H=-92.5kJ/mol
D.H+(aq)+OH-(aq)==H2O(l);△H=57.3kJ
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下列热化学方程式书写正确的是
A.2SO2+O2
2SO3;△H=-196.6kJ/mol
B.C(s)+O2(g)==CO2(g);△H=393.5kJ/mol
C.1/2H2(g)+1/2Cl2(g)==HCl(g);△H=-92.5kJ/mol
D.H+(aq)+OH-(aq)==H2O(l);△H=57.3kJ
查看习题详情和答案>>下列热化学方程式书写正确的是
A.2SO2+O2
2SO3; △H=-196.6kJ/mol
B.C(s)+O2(g)==CO2(g);△H=393.5kJ/mol
C.1/2H2(g)+1/2Cl2(g)==HCl(g);△H=-92.5kJ/mol
D.H+(aq)+OH-(aq)==H2O(l);△H=57.3kJ
查看习题详情和答案>>