Ca+o2=h2+f2=cu+o2=n2+h2=

Question

Ca+o2=
h2+f2=
cu+o2=
n2+h2=

Answer 1

2Са + О2 = 2СаО
H2 + F2 = 2HF
2Cu + O2 = 2CuO
N2 + 3H2 = 2NH3

Answer 2

Са+O2=CaO
H2+F2=HF
Cu+O2=CuO2
N2+H2=NH4