Ответ:
4P + 3O₂ ⟹ 2P₂O₃
2Na + Cl₂ ⟹ 2NaCl
2P + 5Cl₂ ⟹ 2PCl₅
2Al + 3Cl₂ ⟹ 2AlCl₃
2HgO ⟹ 2Hg + O₂
CH₄ + 2O₂ ⟹ CO₂ + 2H₂O
2K + O₂ ⟹ K₂O₂
6Na + N₂ ⟹ 2Na₃N
2Mg + O₂ ⟹ 2MgO
2Al + 3S ⟹ Al₂S₃
H₂ + S ⟹ H₂S
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Ответ:
4P + 3O₂ ⟹ 2P₂O₃
2Na + Cl₂ ⟹ 2NaCl
2P + 5Cl₂ ⟹ 2PCl₅
2Al + 3Cl₂ ⟹ 2AlCl₃
2HgO ⟹ 2Hg + O₂
CH₄ + 2O₂ ⟹ CO₂ + 2H₂O
2K + O₂ ⟹ K₂O₂
6Na + N₂ ⟹ 2Na₃N
2Mg + O₂ ⟹ 2MgO
2Al + 3S ⟹ Al₂S₃
H₂ + S ⟹ H₂S