已知:C (s)+ O2(g)="CO(g)" H=" -110." 50KJ/mol
C (s)+O2(g)=CO2(g) H= -393.51KJ/mol
则反应C (s)+CO2(g)=" 2" CO(g)的H为
A.-283.01KJ/mol | B.+172.51 KJ/mol |
C.+283.01KJ/mol | D.-504.01 KJ/mol |
已知:C (s)+ O2(g)="CO(g)" H=" -110." 50KJ/mol
C (s)+O2(g)=CO2(g) H= -393.51KJ/mol
则反应C (s)+CO2(g)=" 2" CO(g)的H为
A.-283.01KJ/mol | B.+172.51 KJ/mol |
C.+283.01KJ/mol | D.-504.01 KJ/mol |