问题补充:
单选题已知:C(s)+1/2O2(g)=CO(g);ΔH1=-110.35 kJ/molCO(g)+1/2O2(g)=CO2(g);ΔH2=-282.57 kJ/mol则:C(s)+O2(g)=CO2(g);ΔH3=A.+172.22 kJ/molB.-172.22 kJ/molC.+392.92 kJ/molD.-392.92 kJ/mol
答案:
D
时间:2020-07-21 05:55:34
单选题已知:C(s)+1/2O2(g)=CO(g);ΔH1=-110.35 kJ/molCO(g)+1/2O2(g)=CO2(g);ΔH2=-282.57 kJ/mol则:C(s)+O2(g)=CO2(g);ΔH3=A.+172.22 kJ/molB.-172.22 kJ/molC.+392.92 kJ/molD.-392.92 kJ/mol
D
单选题已知反应2CO(g)=2C(s)+O2(g)的△H为正值 △S为负值 设△H和△
2023-01-11