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ilonakatova
@ilonakatova
August 2022
1
11
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Укажите продукты реакций и расставьте коэффициенты:
1) Bi2O3 + H2 →
2) Cu2O + H2 →
3) Fe3O4 + H2 →
4) Re2O7 + H2 →
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Answers & Comments
Danya55
1) Bi₂O₃ + 3H₂ = 2Bi + 3H₂O (240-270 ⁰С)
2) Cu₂O + H₂ = 2Cu + H₂O (выше 250 ⁰С)
3) Fe₃O₄ + 4H₂ = 3Fe + 4H₂O
4) Re₂O₇
+
7H₂
=
2Re
+
7H₂O (выше 500 ⁰С)
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Answers & Comments
2) Cu₂O + H₂ = 2Cu + H₂O (выше 250 ⁰С)
3) Fe₃O₄ + 4H₂ = 3Fe + 4H₂O
4) Re₂O₇ + 7H₂ = 2Re + 7H₂O (выше 500 ⁰С)