已知在298K时下述反应的有关数据：C(s)+1/2 O2(g)="CO(g) " △H1 = －110.5kJ/mol C(s)+O2(g)=CO2(g), △H 2= －393.5kJ/mol 则C(s)+CO2(g)="2CO(g)" 的△H
| A．+283.5kJ/mo | B．+172.5kJ/mol | C．-172.5kJ/mol | D．-504 kJ/mol |
相关试题
已知在298K时下述反应的有关数据：C(s)+1/2 O2(g)="CO(g) " △H1 = －110.5kJ/mol C(s)+O2(g)=CO2(g), △H 2= －393.5kJ/mol 则C(s)+CO2(g)="2CO(g)" 的△H
| A．+283.5kJ/mo | B．+172.5kJ/mol | C．-172.5kJ/mol | D．-504 kJ/mol |
Mn2＋ 
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