已知:C(s)+O2(g)====CO2(g) ΔH="-393.5" kJ·mol-1;CO(g)+1/2O2(g) ====CO2(g)
ΔH="-283" kJ·mol-1;则C(s)与O2(g)反应生成1 mol CO(g)的反应热为( )
A.ΔH="-676.5" kJ·mol-1 | B.ΔH="+676.5" kJ·mol-1 |
C.ΔH="-110.5" kJ·mol-1 | D.ΔH="+110.5" kJ·mol-1 |
已知:C(s)+O2(g)====CO2(g) ΔH="-393.5" kJ·mol-1;CO(g)+1/2O2(g) ====CO2(g)
ΔH="-283" kJ·mol-1;则C(s)与O2(g)反应生成1 mol CO(g)的反应热为( )
A.ΔH="-676.5" kJ·mol-1 | B.ΔH="+676.5" kJ·mol-1 |
C.ΔH="-110.5" kJ·mol-1 | D.ΔH="+110.5" kJ·mol-1 |