H11313kJ的精选

问题详情：通过以下反应均可获取H2。①C(s)+H2O(g)=CO(g)+H2(g)      ΔH1=+131.3kJ·mol-1②CH4(g)+H2O(g)=CO(g)+3H2(g)   ΔH2=+206.1kJ·mol-1③CO(g)+H2O(g)=CO2(g)+H2(g)   ΔH3下列说法正确的是( ...