Question

Запишите уравнения реакций по схеме:

C → CH4 → CO2

↓

CaC2 → C2H2

Answer 1

1)C+2H2---->CH4

2)CH4+2O2--(t)->CO2+2H2O

3)CaO+3C--->CaC2+CO

4)CaC2+2H2O---> Ca(OH)2 + C2H2

 

Answer 2

С+2H2=CH4

CH4+2O2=CO2+2H2O

Ca+2C=CaC2

CaC2+H2=C2H2+Ca

CaC2+2H2O=Ca(OH)2+C2H2