1)C+CO2=2CO
C(+4) +2=C(+2)
C(0) -2 =C(+2)
2)С+2H2=CH4C(0) +4 =C(-4)H2(0) -2 =2H(+1)
3)C+Si=SiCC(0) +4 =C(-4)Si(0) -4 = Si(+4)
1)C+CO2=2CO
C(+4) +2=C(+2)
C(0) -2 =C(+2)
2)С+2H2=CH4
C(0) +4 =C(-4)
H2(0) -2 =2H(+1)
3)C+Si=SiC
C(0) +4 =C(-4)
Si(0) -4 = Si(+4)