已知:C (s)+ O2 DH= -110.50KJ/mol C (s)+O2(g)=CO2(g) DH= -393.51KJ/mol 则反应C (s)+ CO2 A.-283.01KJ/mol B.+172.51 KJ/mol C.+283.01KJ/mol D.-504.01 KJ/mol 查看更多

 

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已知:C (s)+ 1/2O2(g)=CO(g) DH= -110.50KJ/mol

      C (s)+O2(g)=CO2(g)  DH= -393.51KJ/mol

 则反应C (s)+ CO2(g)=2 CO(g)的DH为

A、-283.01KJ/mol   B、+172.51 KJ/mol C、+283.01KJ/mol     D、-504.01 KJ/mol

 

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已知:C (s)+ 1/2 O2(g)=CO(g) DH= -110.50KJ/mol

      C (s)+O2(g)=CO2(g)  DH= -393.51KJ/mol

 则反应C (s)+ CO2(g)=2 CO(g)的DH为

A、-283.01KJ/mol    B、+172.51 KJ/mol C、+283.01KJ/mol      D、-504.01 KJ/mol

 

查看答案和解析>>

已知:C (s)+ 1/2 O2(g)=CO(g) DH= -110.50KJ/mol

      C (s)+O2(g)=CO2(g)  DH= -393.51KJ/mol

 则反应C (s)+ CO2(g)=2 CO(g)的DH为

A、-283.01KJ/mol    B、+172.51 KJ/mol       C、+283.01KJ/mol      D、-504.01 KJ/mol

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