关于O2gA的百科

•  已知：Fe(s)＋O2(g)===FeO(s)　ΔH1=－272kJ/mol2Al(s)＋O2(g)===A...

• 问题详情： 已知：Fe(s)＋O2(g)===FeO(s)ΔH1=－272kJ/mol2Al(s)＋O2(g)===Al2O3(s)ΔH2=－1675kJ/mol则2Al(s)＋3FeO(s)===Al2O3(s)+3Fe(s)的ΔH是（    ）A．＋859kJ/mol             B．－859kJ/mol   C．－1403kJ/mol            D．－2491kJ/mol【回答】B知识点：燃烧...
• 2021-01-1326358