Даю 60 баллов!
Помогите с химией, нужно расставить пропущенные коэффициенты

N2 + O2 = NO
2K + H2 = KH
N2 + H2 = NH3
Al + S = Al2S3
H2 + O2 = H20
Li + O2 = Li20
HI -> H2 + J2
Hg0 -> Hg + O2
HCl = H2 + Cl2
NH3 = N2 + H2
H2O2 = H2O + O2
CuO = Cu2O + O2
CaOH + H3PO4 = Ca3OPO4 + H2O
CH4 + O2 -> CO2 + H2O
Fe2O3 + H2 -> Fe + 3H20
PH3 + O2 -> P2O5 + H2O
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