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GDragona
@GDragona
July 2022
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Помогите с домашней по химии, пожалуйста)
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udodovi
1) 3Fe+2O2=Fe3o4
Fe3O4+8HCl=FeCl2+2FeCl3+4H2O
5FeCl2+KMnO4+8HCl=5FeCl3+KCl+MnCl2+4H2O
FeCl3+3NaOH=Fe(OH)3+3NaCl
2Fe(OH)3=Fe2O3+3H2O
Fe2O3+3H2=Fe+3H2O
Fe+2HCl=FeCl2+H2
FeCl2+2NaOH=Fe(OH)2+2NaCl
4Fe(OH)2+2H2O+O2=4Fe(OH)3
2) 2Na+O2=Na2O2
2Na2O2=2Na2O+O2
Na2O+H2O=2NaOH
2NaOH+CO2=Na2CO3+H2O
Na2CO3+2HCl=2NaCl+H2O+CO2
CaO+CO2=CaCO3
CaCO3=CaO+CO2
3) 2Mg+O2=2MgO
MgO+2HCl=MgCl2+H2O
MgCl2+2NaOH=2NaCl+Mg(OH)2
Mg(OH)2+H2SO4=MgSO4+2H2O
MgSO4+K2CO3=MgCO3+K2SO4
MgCO3+CO2+H2O=Mg(HCO3)2
Mg(HCO3)2=MgCO3+H2O+CO2
MgCO3=MgO+CO2
4)2Al+3O2=2Al2O3
Al2O3+6HCl=2AlCl3+3H2O
AlCl3+3NaOH=Al(OH)3+3NaCl
Al(OH)3+NaOH=Na(Al(OH)4)
NaAl(OH4)=NaOH
Al(OH)3
2Al(OH)3+3H2SO4=Al2(SO4)3+6h2O
Al2(SO4)3+3Mg=2Al+3MgSO4
1 votes
Thanks 1
GDragona
Спасибо большое:))
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Answers & Comments
Fe3O4+8HCl=FeCl2+2FeCl3+4H2O
5FeCl2+KMnO4+8HCl=5FeCl3+KCl+MnCl2+4H2O
FeCl3+3NaOH=Fe(OH)3+3NaCl
2Fe(OH)3=Fe2O3+3H2O
Fe2O3+3H2=Fe+3H2O
Fe+2HCl=FeCl2+H2
FeCl2+2NaOH=Fe(OH)2+2NaCl
4Fe(OH)2+2H2O+O2=4Fe(OH)3
2) 2Na+O2=Na2O2
2Na2O2=2Na2O+O2
Na2O+H2O=2NaOH
2NaOH+CO2=Na2CO3+H2O
Na2CO3+2HCl=2NaCl+H2O+CO2
CaO+CO2=CaCO3
CaCO3=CaO+CO2
3) 2Mg+O2=2MgO
MgO+2HCl=MgCl2+H2O
MgCl2+2NaOH=2NaCl+Mg(OH)2
Mg(OH)2+H2SO4=MgSO4+2H2O
MgSO4+K2CO3=MgCO3+K2SO4
MgCO3+CO2+H2O=Mg(HCO3)2
Mg(HCO3)2=MgCO3+H2O+CO2
MgCO3=MgO+CO2
4)2Al+3O2=2Al2O3
Al2O3+6HCl=2AlCl3+3H2O
AlCl3+3NaOH=Al(OH)3+3NaCl
Al(OH)3+NaOH=Na(Al(OH)4)
NaAl(OH4)=NaOH
Al(OH)3
2Al(OH)3+3H2SO4=Al2(SO4)3+6h2O
Al2(SO4)3+3Mg=2Al+3MgSO4