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nutella444
@nutella444
August 2021
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Са → СаН2 → Са(ОН)2 → СаСО3 → СаО → Ca(NO3)2 → Ca(NO2)2 → CaCl2 → Ca → CaH2 → CaCl2
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Женечка17
Сa+H2=CaH2
CaH2+2H2O=Ca(OH)2+2H2
Ca(OH)2+Na2CO3=2NaOH+CaCO3
CaCO3=CaO+CO2
CaO+2HNO3=Ca(NO3)2+H2O
Ca(NO3)2=Ca(NO2)2+O2
Ca(NO2)2+2HCl=CaCl2+2HNO2
CaCl2=Ca+Cl2
Ca+H2=CaH2
CaH2+2HCl=CaCl2+2H2
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Answers & Comments
CaH2+2H2O=Ca(OH)2+2H2
Ca(OH)2+Na2CO3=2NaOH+CaCO3
CaCO3=CaO+CO2
CaO+2HNO3=Ca(NO3)2+H2O
Ca(NO3)2=Ca(NO2)2+O2
Ca(NO2)2+2HCl=CaCl2+2HNO2
CaCl2=Ca+Cl2
Ca+H2=CaH2
CaH2+2HCl=CaCl2+2H2