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lrscalkova
@lrscalkova
July 2022
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Напишите пожалуйста уравнения реакций. C –› CH4 –› CO2 –› Na2CO3 –› NaHCO3 –› Na2CO3 –› CaCO3 –› CO2.
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TheMrChernik
С+2H2=CH4
CH4+2O2=CO2+2H2O
Na2O+CO2=Na2CO3
Na2CO3+HCl=NaCl+NaHCO3
NaHCO3+NaOH=Na2CO3+H2O
Na2CO3+CaCl2=CaCO3↓+2NaCl
CaCO3=CaO+CO2
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Answers & Comments
CH4+2O2=CO2+2H2O
Na2O+CO2=Na2CO3
Na2CO3+HCl=NaCl+NaHCO3
NaHCO3+NaOH=Na2CO3+H2O
Na2CO3+CaCl2=CaCO3↓+2NaCl
CaCO3=CaO+CO2