下列热化学方程式书写正确的是( )
A.C(s)+O2(g)=CO2(g)ΔH=+393.5 kJ/mol |
B.2SO+O2=2SO3ΔH=-196.6 kJ/mol |
C.H2(g)+1/2O2(g)=H2O(l)ΔH=-285.8 kJ/mol |
D.2H2(g)+O2(g)=2H2O(l)ΔH=-571.6 kJ |
下列热化学方程式书写正确的是( )
A.C(s)+O2(g)=CO2(g)ΔH=+393.5 kJ/mol |
B.2SO+O2=2SO3ΔH=-196.6 kJ/mol |
C.H2(g)+1/2O2(g)=H2O(l)ΔH=-285.8 kJ/mol |
D.2H2(g)+O2(g)=2H2O(l)ΔH=-571.6 kJ |
试题篮
()