C + 2H2 -> CH4
CH4 + Cl2 -> CH3-Cl + HCl
CH3-Cl + 2Na + Cl-CH2-CH3 -> CH3-CH2-CH3 + 2NaCl
C3H8 + 5O2 -> 3CO2 + 4H2O
C + 2H2 -> CH4
CH4 + Cl2 -> CH3-Cl + HCl
CH3-Cl + 2Na + Cl-CH2-CH3 -> CH3-CH2-CH3 + 2NaCl
C3H8 + 5O2 -> 3CO2 + 4H2O