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alinka2025
@alinka2025
July 2022
2
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Помогите осуществить цепочку превращений
1)Cu--CuCl2--Cu(OH)2--CuO--Cu
2)P--P2O5--H3PO4--Na3PO4--Na2HPO4
3)Mg--MgO--Mg(OH)2--MgCO3--Mg(HCO3)2
4)N2--NO--NO2--HNO3--NH4NO3
5)Fe--FeSO4--Fe(OH)2--FeO--Fe
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Aisha95
Cu+Cl2=CuCl2 . CuCl2+2NaOH=Cu(OH)2+2NaCl . Cu(OH)2 (под действием температуры) = CuO+H2O . 2S+CuO=Cu+S2O
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Natasha914
1) Cu+Cl2=CuCl2
CuCl2+2NaOH=2NaCl+Cu(OH)2
Cu(OH)2=CuO+H2O
CuO+H2=Cu+H2O
2. 4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
H3PO4+3NaOH=Na3PO4+3H2O
Na3PO4+H2O=Na2HPO4+NaOH
3. 2 Mg+O2=2MgO
MgO+H2O=Mg(OH)2
Mg(OH)2+H2CO3=MgCO3+2H2O
MgCO3+CO2+H2O=Mg(HCO3)2
4. N2+O2=2NO
2NO+O2=2NO2
2NO2+H2O=2HNO3
HNO3+NH3=NH4NO3
5.Fe+H2SO4=FeSO4+H2
FeSO4+2NaOH=Na2SO4+Fe(OH)2
Fe(OH)2=FeO+H2O
3FeO+2Al=Al2O3+3Fe
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Answers & Comments
CuCl2+2NaOH=2NaCl+Cu(OH)2
Cu(OH)2=CuO+H2O
CuO+H2=Cu+H2O
2. 4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
H3PO4+3NaOH=Na3PO4+3H2O
Na3PO4+H2O=Na2HPO4+NaOH
3. 2 Mg+O2=2MgO
MgO+H2O=Mg(OH)2
Mg(OH)2+H2CO3=MgCO3+2H2O
MgCO3+CO2+H2O=Mg(HCO3)2
4. N2+O2=2NO
2NO+O2=2NO2
2NO2+H2O=2HNO3
HNO3+NH3=NH4NO3
5.Fe+H2SO4=FeSO4+H2
FeSO4+2NaOH=Na2SO4+Fe(OH)2
Fe(OH)2=FeO+H2O
3FeO+2Al=Al2O3+3Fe