已知:①C(s) +O2(g) CO(g);△H =" –" 110.5 kJ · mol – 1
②C(s) + O2(g) CO2(g);△H =" –" 393.51 kJ · mol – 1
则反应:C(s) + CO2(g) 2CO(g)的△H为 ( )
A.– 283.01 kJ · mol – 1 | B.+ 172.51 kJ · mol – 1 |
C.+ 283.01 kJ · mol – 1 | D.+ 504.00 kJ · mol – 1 |