Ответ:
Объяснение:
2Cr₂S₃ + 9O₂ = 2Cr₂O₃ + 6SO₂
Cr₂O₃ + 2Al = Al₂O₃ + 2Cr
4Cr + 3O₂ = 2Cr₂O₃
Cr₂O₃ + 6HBr = 2CrBr₃ + 3H₂O
Cr₂O₃ + CaO = Ca(CrO₂)₂
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Verified answer
Ответ:
Объяснение:
2Cr₂S₃ + 9O₂ = 2Cr₂O₃ + 6SO₂
Cr₂O₃ + 2Al = Al₂O₃ + 2Cr
4Cr + 3O₂ = 2Cr₂O₃
Cr₂O₃ + 6HBr = 2CrBr₃ + 3H₂O
Cr₂O₃ + CaO = Ca(CrO₂)₂