已知:CO(g) + FeO(s) =Fe(s)+CO2(g) ΔH=-218kJ/mol,则14 g CO气体还原足量FeO固体得到Fe固体和CO2气体时放出的热量为
A.+218 kJ/mol | B.-109 kJ/mol | C.218 kJ | D.109 kJ |
已知:CO(g) + FeO(s) =Fe(s)+CO2(g) ΔH=-218kJ/mol,则14 g CO气体还原足量FeO固体得到Fe固体和CO2气体时放出的热量为
A.+218 kJ/mol | B.-109 kJ/mol | C.218 kJ | D.109 kJ |