Question

B + O2 =
S + O2 =
N2+ O2 =
Cl2 + O2 =

Answer 1

4B + 3O2 = 2B2O3

S + O2 = SO2

N2 + O2 = 2NO

CL2 + 2O2 = 2ClO2

Answer 2

Ответ:

1. B+O2=5+8×2=21
2. S + O2= 16+8×2=32
3. N2+ O2= 7+8×2=23
4. Cl2 + O2= 17×2+8×2=50