Question

Помогите решить:
$C-CH _{4} -CO_{2}-C-CaC_{2}-C_{2}H_{2}$

Answer 1

2H2 + C = CH4
CH4 + 2O2 = CO2 + 2H2O
CO2 + 2Mg = C + 2MgO
2C + Ca = CaC2
H2 + CaC2 = Ca + C2H2