下列热化学方程式书写正确的是
A.2SO2+O22SO3;ΔH =-196.6kJ/mol |
B.C(s)+O2(g)=CO2(g);ΔH =393.5kJ/mol |
C.1/2H2(g)+1/2Cl2(g)=HCl(g);ΔH =-92.5kJ/mol |
D.H+(aq)+OH-(aq)=H2O(l);ΔH =57.3kJ/mol |
下列热化学方程式书写正确的是
A.2SO2+O22SO3;ΔH =-196.6kJ/mol |
B.C(s)+O2(g)=CO2(g);ΔH =393.5kJ/mol |
C.1/2H2(g)+1/2Cl2(g)=HCl(g);ΔH =-92.5kJ/mol |
D.H+(aq)+OH-(aq)=H2O(l);ΔH =57.3kJ/mol |