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
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
试题篮
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