Предмет: Химия, автор: temcenkokarina

5. Урівняти рівняння реакції та знайти «втрачені елементи:

а) Al2O3 + _2-> Al + H20,

б) PH3 + O2 ->O5 + H2O,

B) H2O2-> _2O + O2​

Ответы

Автор ответа: тайная
2

Ответ:

а) Al₂O₃ + 3H₂ -> 2Al + 3H₂O

б) 2PH₃ + 4O₂ ->  P₂O₅ + 3H₂O,

B) 2H₂O₂ -> 2H₂O + O₂

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