K+S- Se+O2- Li+Br2 H2+Cl2 Fe+O2 N2+O2 Cr+Cl2 Cu+O2

Question

K+S-

Se+O2-

Li+Br2

H2+Cl2

Fe+O2

N2+O2

Cr+Cl2

Cu+O2

Answer 1

2K + S = K2S

2Se + O2 =2SeO

2Li + Br2 = 2LiBr

H2 + Cl2 = 2HCl

3Fe + 2O2 = Fe3O4

N2 + O2 = 2NO

Cr + Cl2 = CrCl2

2Cu + O2 = 2CuO