A.c(H+)减小 | B.c(I-)减小 | C.I2(g)不断生成 | D.c(Fe3+)增加 |
化学反应 | 平衡常数 | 温度 | |
973 K | 1173 K | ||
①Fe(s)+CO2(g)FeO(s)+CO(g) | K1 | 1.47 | 2.15 |
②Fe(s)+H2O(g)FeO(s)+H2(g) | K2 | 2.38 | 1.67 |
③CO(g) +H2O(g)CO2(g) +H2(g) | K3 | ? | ? |
A.194 | B.391 | C.516 | D.658 |
A.-67.7 kJ /mol | B.-43.5kJ /mol |
C.+43.5 kJ/ mol | D.+67.7 kJ/ mol |
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