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 |
试题篮
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