Question

помогите решить: Li+....=Li2O
Ca+....=CaO
C+...=CO2
Al+....=Al2O3
PH3+....=P2O5+H2O

Answer 1

1. Ca + O= CaO
2. C + O2 = CO2
3. Al + O = Al2O3
4. PH3 + OH2 = P2O5 + H2O

Answer 2

2Li+O2=Li2O
C+O2=CO2
2AL+3O2=2AL2O3
2PH3+4O2=P2O5+3H2O