CO2(g)+2H2(g)CH4(g)+H2O(g),ΔH总Kp总 , 该反应分两步完成,反应过程如下:
①CO2(g)+H2(g)CO(g)+H2O(g),ΔH1Kp1
②CO(g)+H2(g)CO2(g)+CH4(g),ΔH2Kp2
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