Question

ДАЮ 50 БАЛЛОВ!!!!! ПОМОГИТЕ ПЖ

Answer 1

4. 1)H2+S=H2S

2) 2H2S+3O2=2SO2+2H2O

3) SO2+2O2=2SO3

5. 1) Cu+S=CuS2

2) CuS+3O2=2CuO+2SO2

3) CuO+H2=Cu+H2O