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Ligom
@Ligom
December 2021
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Помогите решить цепочки) Дам 80 баллов)
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wwwgeniy0000
FeS+H2O=H2S+FeO
H2S=H2+S
S+4H2O=H2SO4+3H2 ИЛИ
S+2Ca(OH)2=H2SO4+2Ca
H2SO4+Fe=FeSO4+H2
FeSO4+4H2=FeS+H2O
B)
Fe+Cl2=FeCl2
2FeCl2+Cl2=2FeCl3
FeCl3=FeCl2+Cl2
FeCl2+2NaOH=Fe(OH)2+2NaCl
Fe(OH)2=FeO+H2O
2FeO=2Fe+O2
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Answers & Comments
H2S=H2+S
S+4H2O=H2SO4+3H2 ИЛИ
S+2Ca(OH)2=H2SO4+2Ca
H2SO4+Fe=FeSO4+H2
FeSO4+4H2=FeS+H2O
B)
Fe+Cl2=FeCl2
2FeCl2+Cl2=2FeCl3
FeCl3=FeCl2+Cl2
FeCl2+2NaOH=Fe(OH)2+2NaCl
Fe(OH)2=FeO+H2O
2FeO=2Fe+O2