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nastebelka
@nastebelka
July 2022
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Запишите уравнение реакций,с помощью которых можно осуществить следующее превращение:
[tex]CaCO _{3} \to CaO \to CaC _{2} \to C_{2}H_{2} \to CO_{2} \to CaCO_{3}[/tex]
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dubes
CaCO3=CaO+CO2
CaO+3C=CaC2+CO
CaC2+2H2O=Ca(OH)2+C2H2
C2H2+2,5O2=2CO2+H2O
СO2+CaO=CaCO3
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Answers & Comments
CaO+3C=CaC2+CO
CaC2+2H2O=Ca(OH)2+C2H2
C2H2+2,5O2=2CO2+H2O
СO2+CaO=CaCO3