Question

Fe-fecl2-fe(oh)2-feo-fe(no3)2

Answer 1

1)Fe+2HCl=FeCl2+H2
2)FeCl2+KOH=Fe(OH)2↓+KCl
3)Fe(OH)2=FeO+H2O(термич разложение)
4)FeO+2HNO3=Fe(NO3)2+H2O

Answer 2

It seems like you've listed a series of chemical compounds involving iron (Fe) with different elements and ions. These compounds are:

1. Fe - Iron (element)
2. FeCl2 - Iron (II) chloride
3. Fe(OH)2 - Iron (II) hydroxide
4. FeO - Iron (II) oxide or ferrous oxide
5. Fe(NO3)2 - Iron (II) nitrate

Is there something specific you would like to know about these compounds, their properties, reactions, or any other related information? Please provide more context or details so that I can assist you better.