关于H1CO2g的百科

• 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>0，ΔH4>0C．ΔH1＝ΔH2＋ΔH3 D．ΔH3＝ΔH4＋ΔH5【回答】C[解析...
• 2020-11-2427372

• 已知：C(s)＋O2(g)＝CO2(g) △H1CO2(g)＋C(s)＝2CO(g) △H22CO(g)＋O2...

• 问题详情：已知：C(s)＋O2(g)＝CO2(g) △H1CO2(g)＋C(s)＝2CO(g) △H22CO(g)＋O2(g)＝2CO2(g) △H34Fe(s)＋3O3(g)＝2Fe2O3(s)  △H43CO(g)＋Fe2O3(s)＝3CO2(g)＋2Fe(s)  △H5下列关于上述反应焓变的判断正确的是A．△H1＞0，△H3＜0B．△H2＞0，△H4＞0C．△H1＝△H2＋△H3D．△H3＝△H4＋△H5【回答】 知识点：高考试题...
• 2021-07-285793