Срочно !
Доберіть коефіцієнти у таких схемах реакцій:

CH4C + Hz;

P+ Br2+ PBrs;

Na + Cl2→→→ NaCl,

BaO + O2 → BaD

FeBra→→ FeBr2+ Brz

CuCl2+ Na2S - CuS + NaCl;

CUOH →→ Cu2O + H2O.
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