1. Расставьте коэффициенты, определите простое или сложное вещество, тип реакции: H2 + N2 →NH3
CO +O2 → CO2
HNO3 → NO2+H2O+O2↑
Ca3N2 + H2O → Ca(OH)2 + NH3↑
Ba + H2O → Ba(OH)2 + H2↑
Mg + N2 →Mg3N2
C +Cr2 O3→ CO2 +Cr
HNO3 + CaO→ Ca(NO3)2+H2O
Na + H2O → NaOH+ H2↑
Fe(OH)3 → Fe2O3 + H2O
P + S →P2S3
CuO +Al → Al2O3 +Cu
HNO3 + CaCO3→ Ca (NO3)2+H2O +CO2↑
KClO3 → KCl+ O2↑
KOH+ H3PO4 → K3PO4 + H2O
P2О5 + Н2О →Н3РО4
Cl2+Al → AlCl3
NaNO3 → NaNO2+O2↑
KBr +Cl2 → KCl+ Br2↑
K2O+ H3PO4 → K3PO4 + H2O​
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