已知：C(s)＋O2(g)===CO2(g) ΔH1CO2(g)＋C(s)===2CO(g) ΔH22CO(g...
问题详情：已知：C(s)＋O2(g)===CO2(g)ΔH1CO2(g)＋C(s)===2CO(g)ΔH22CO(g)＋O2(g)===2CO2(g)ΔH34Fe(s)＋3O2(g)===2Fe2O3(s)ΔH43CO(g)＋Fe2O3(s)===3CO2(g)＋2Fe(s)ΔH5下列关于上述反应焓变的判断正确的是()A．ΔH1>0，ΔH3<0 B．ΔH2...
问题详情：已知：C(s)＋O2(g)===CO2(g)ΔH1CO2(g)＋C(s)===2CO(g)ΔH22CO(g)＋O2(g)===2CO2(g)ΔH34Fe(s)＋3O2(g)===2Fe2O3(s)ΔH43CO(g)＋Fe2O3(s)===3CO2(g)＋2Fe(s)ΔH5下列关于上述反应焓变的判断正确的是()A．ΔH1>0，ΔH3<0 B．ΔH2...