2FeOs的精选

问题详情： 已知：2Fe(s)＋O2(g)＝2FeO(s)△H＝－544kJ·mol－14Al(s)＋3O2(g)＝2Al2O3(s)△H＝－3350kJ·mol－1则2Al(s)+3FeO(s)＝Al2O3(s)+3Fe(s)的△H是A.－859kJ·mol－1B.＋859kJ·mol－1C.－1403kJ·mol－1 D.－2491kJ·mol－1【回答】A【解析】根据盖...

问题详情：已知：2Fe(s)＋O2(g)＝2FeO(s)△H＝－544kJ·mol－14Al(s)＋3O2(g)＝2Al2O3(s)△H＝－3350kJ·mol－1则2Al(s)+3FeO(s)＝Al2O3(s)+3Fe(s)的△H是（   ）A.－859kJ·mol－1                          B.＋859kJ·mo...