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yarik9090
@yarik9090
August 2022
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Хелп, химия моя слабость, решите 12. И на второй картинке 8 упр.
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udodovi
8) 2Al+3Cl2=2AlCl3
AlCl3+2NaOH=Al(OH)3+3NaCl
2Al(OH)3=Al2O3+3H2O
Al2O3+2NaOH=2NaAlO2+H2O
2NaAlO2+4H2SO4=Na2SO4+Al2(SO4)3+4H2O
12)C+O2=CO2
CO2+2NaOH=Na2CO3+H2o
Na2CO3+CO2+H2O=2NaHCO3
2NaHCO3=Na2CO3+CO2+H2O
Na2CO3+10H2O=Na2CO3*10H2O
2C+Ca=CaC2
CaC2+2H2O=Ca(OH)2+C2H2
2C2H2+5O2=4CO2+2H2O
CO2+MgO=MgCO3
MgCO3+H2O+CO2=Mg(HCO3)2
C+2H2=CH4
2CH4+3O2=2CO+4H2O
2CO+O2=2CO2
CO2+CaCO3+H2O=Ca(HCO3)2
Ca(HCO3)2-=CaCO3+H2O+CO2
CaCO3=CaO+CO2
CO2+C=2CO
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Answers & Comments
AlCl3+2NaOH=Al(OH)3+3NaCl
2Al(OH)3=Al2O3+3H2O
Al2O3+2NaOH=2NaAlO2+H2O
2NaAlO2+4H2SO4=Na2SO4+Al2(SO4)3+4H2O
12)C+O2=CO2
CO2+2NaOH=Na2CO3+H2o
Na2CO3+CO2+H2O=2NaHCO3
2NaHCO3=Na2CO3+CO2+H2O
Na2CO3+10H2O=Na2CO3*10H2O
2C+Ca=CaC2
CaC2+2H2O=Ca(OH)2+C2H2
2C2H2+5O2=4CO2+2H2O
CO2+MgO=MgCO3
MgCO3+H2O+CO2=Mg(HCO3)2
C+2H2=CH4
2CH4+3O2=2CO+4H2O
2CO+O2=2CO2
CO2+CaCO3+H2O=Ca(HCO3)2
Ca(HCO3)2-=CaCO3+H2O+CO2
CaCO3=CaO+CO2
CO2+C=2CO