下列热化学方程式书写正确的是 ( )
A.C(s)+O2(g)==CO2(g);△H="+393.5kJ/mol" | B.2SO2+O2==2SO3;△H= —196.6kJ/mol |
C.H2(g)+1/2O2(g)==H2O(l);△H="—285.8kJ/mol" | D.2H2(g)+O2(g)==2H2O(l);△H= —571.6KJ |
下列热化学方程式书写正确的是 ( )
A.C(s)+O2(g)==CO2(g);△H="+393.5kJ/mol" | B.2SO2+O2==2SO3;△H= —196.6kJ/mol |
C.H2(g)+1/2O2(g)==H2O(l);△H="—285.8kJ/mol" | D.2H2(g)+O2(g)==2H2O(l);△H= —571.6KJ |