Question

помогите пж плиииииз​

Answer 1

Ответ:

Объяснение:

2Cu + O2 = 2CuO

CH4 = C + 2H2

2Al + 3S = Al2S3

2N2 + 5O2 = 2N2O5

N2 + 3H2 = 2NH3

3Ca + N2 = Ca3N2

2Zn + O2 = 2ZnO

4Fe + 3O2 = 2Fe2O3

H2 + Cl2 = 2HCl

2Na + Cl2 = 2NaCl