已知C(s)+H2O(g)CO(g)+H2(g) ΔH=AkJ·mol-1
2C(s)+O2(g)2CO(g)ΔH="-220" kJ·mol-1
H—H、OO和O—H键的键能分别为436 kJ·mol-1、496 kJ·mol-1和462 kJ·mol-1,则A为
A.-332 | B.-118 | C.+350 | D.+130 |
已知C(s)+H2O(g)CO(g)+H2(g) ΔH=AkJ·mol-1
2C(s)+O2(g)2CO(g)ΔH="-220" kJ·mol-1
H—H、OO和O—H键的键能分别为436 kJ·mol-1、496 kJ·mol-1和462 kJ·mol-1,则A为
A.-332 | B.-118 | C.+350 | D.+130 |