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petova04
@petova04
July 2022
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осуществите переход
а) ZnS -> ZnO -> Zn
б) FeS2 -> Fe2O3 -> Fe(NO3)3 -> Fe
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Potassiumiodide
A) 2ZnS + 3O2 → 2ZnO + 2SO2
2ZnO + C = 2Zn + CO2
Б) 4FeS2 + 11O2 → 2Fe2O3
+8SO2
Fe2O3+6HNO3=2Fe(NO3)3+3H2O
2Fe(NO3)3+3Zn= 3Zn(NO3)2+2Fe
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Answers & Comments
2ZnO + C = 2Zn + CO2
Б) 4FeS2 + 11O2 → 2Fe2O3
+8SO2
Fe2O3+6HNO3=2Fe(NO3)3+3H2O
2Fe(NO3)3+3Zn= 3Zn(NO3)2+2Fe