8. 已知: Fe
2O
3(s)+ 3CO(g)= 2Fe(s) + 3CO
2(g) Δ
H13Fe
2O
3(S) + CO(g)= 2Fe
3O
4(s)+ CO
2(g) Δ
H2Fe
3O
4(s) + CO(g) = 3FeO(s) + CO
2(g) Δ
H3则反应FeO(s)+ CO(g)= Fe(s) + CO
2(g)的Δ
H等于
A.3ΔH1-ΔH2-2ΔH3 | B.(3ΔH1 - ΔH2 – 2ΔH3)/6 |
C.2ΔH1- 3ΔH2 +△H3 | D.(2ΔH1 – 3ΔH2 +△H3)/6 |