下列热化学方程式书写正确的是( )
A.2SO2+O22SO3 ΔH="-196.6" kJ·mol-1 |
B.H2(g)+O2(g)====H2O(l) ΔH="-285.8" kJ·mol-1 |
C.2H2(g)+O2(g) ====2H2O(l) ΔH="-571.6" kJ |
D.C(s)+O2(g) ====CO2(g) ΔH="+393.5" kJ·mol-1 |
下列热化学方程式书写正确的是( )
A.2SO2+O22SO3 ΔH="-196.6" kJ·mol-1 |
B.H2(g)+O2(g)====H2O(l) ΔH="-285.8" kJ·mol-1 |
C.2H2(g)+O2(g) ====2H2O(l) ΔH="-571.6" kJ |
D.C(s)+O2(g) ====CO2(g) ΔH="+393.5" kJ·mol-1 |