已知在298K时下列反映的有关数据:C(s)+1/2O2(g)==CO(g),ΔH1=-110.5Kj/mol C(s)+O2(g)==CO2(g) ,ΔH2=-393.5KJ/mol 则C(s)+CO2(g)==2CO(g)的ΔH为( )A、283.5Kj/mol B、172.5Kj/mol C、-172,5Kj/mol D、-504Kj/mol(╯3╰)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 23:06:14
![已知在298K时下列反映的有关数据:C(s)+1/2O2(g)==CO(g),ΔH1=-110.5Kj/mol C(s)+O2(g)==CO2(g) ,ΔH2=-393.5KJ/mol 则C(s)+CO2(g)==2CO(g)的ΔH为( )A、283.5Kj/mol B、172.5Kj/mol C、-172,5Kj/mol D、-504Kj/mol(╯3╰)](/uploads/image/z/877043-11-3.jpg?t=%E5%B7%B2%E7%9F%A5%E5%9C%A8298K%E6%97%B6%E4%B8%8B%E5%88%97%E5%8F%8D%E6%98%A0%E7%9A%84%E6%9C%89%E5%85%B3%E6%95%B0%E6%8D%AE%EF%BC%9AC%28s%29%2B1%2F2O2%28g%29%3D%3DCO%28g%29%2C%CE%94H1%3D-110.5Kj%2Fmol+C%28s%29%2BO2%28g%29%3D%3DCO2%28g%29+%2C%CE%94H2%3D-393.5KJ%2Fmol+%E5%88%99C%28s%29%2BCO2%28g%29%3D%3D2CO%28g%29%E7%9A%84%CE%94H%E4%B8%BA%EF%BC%88+%EF%BC%89A%E3%80%81283.5Kj%2Fmol+B%E3%80%81172.5Kj%2Fmol+C%E3%80%81-172%2C5Kj%2Fmol+D%E3%80%81-504Kj%2Fmol%28%E2%95%AF3%E2%95%B0%29)
xR]oP+d (Ph
%va~iK1pŘxp QaBGBLō1p_.xc<}FG@[0GzZ1κ.C5*Ṇyo34\Wbdc? ]XәeMXbAxDXm.lb m92P`2,&3ȡ+(L^"O
ia* @y ްJimָMg#?M-Hq_B}a~{EBOxUU}o7pa0ΗaZˊ+ jK;ISqs
6벱}bvHktC*rHr:sm;knh«^Yl^xD(n[]+eh"-8áI.yY4zHz@ۥʂ;eдL%Sd&(ILSr&M?Mb~CA `RWIUe qIfx6@0YFyWY
C|Yx9V\\bB,fZx_{ d
D%S@ )