Question

Решите срочно , спасибо

Answer 1

1)S+H2=H2S
2)2H2S+3O2=2SO2+2H2O
3)2SO2+O2=2SO3
4)SO3+H2O=H2SO4
5)H2SO4+Ba=BaSO4↓+H2
6)3SO2+2H2O=2H2SO4+S
7)H2SO4+BaCl2=BaSO4↓+2HCl
8)H2SO4+Ba(OH)2=BaSO4↓+2H2O