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julyap
@julyap
July 2022
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[tex]1) MnCl _{2} +HCl=\\2)MnO _{2} +KOH=\\3)Co+CO=\\4)CoO+C\\5)Ni+Si=\\6)FeCl _{2}+(NH _{4} ) _{2} S= \\7)FeCl _{3} +CuO=[/tex]
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darina300119998
MnCl2+HCl ≠
2MnO2+4KOH+O2 = 2K2MnO4 + 2H2O
Co+4CO = Co(CO)4
CoO+C = Co + CO
Ni+Si=NiSi
FeCl2+(NH4)2S = FeS↓+2NH4Cl
FeCl3+CuO≠
2 votes
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mrvladimir2
Verified answer
1)
2)
MnO2 + KOH → MnO(OH) + K3MnO4+ H2O
3)Co+3CO=Co(CO)3
4)2CoO+C=2Co+CO2
5)Ni+Si=NiSi
6)
2FeCl3 + 3(NH4)2S + 6H2O = 6NH4Cl + 2Fe(OH)3 + 3H2S
7)
2FeCl3+3CuO=Fe2O3+3CuCl2
0 votes
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Answers & Comments
2MnO2+4KOH+O2 = 2K2MnO4 + 2H2O
Co+4CO = Co(CO)4
CoO+C = Co + CO
Ni+Si=NiSi
FeCl2+(NH4)2S = FeS↓+2NH4Cl
FeCl3+CuO≠
Verified answer
1)2)MnO2 + KOH → MnO(OH) + K3MnO4+ H2O
3)Co+3CO=Co(CO)3
4)2CoO+C=2Co+CO2
5)Ni+Si=NiSi
6)2FeCl3 + 3(NH4)2S + 6H2O = 6NH4Cl + 2Fe(OH)3 + 3H2S
7)2FeCl3+3CuO=Fe2O3+3CuCl2