Объяснение:
Cl2O7 + H2O → 2HClO4
3CaO + P2O5 → Ca3(PO4)2
NaH + H2O → NaOH + H2↑
CaH2 + 2H2O → Ca(OH)2 + 2H2↑
3Na2O + P2O5 → 2Na3PO4
Fe + CuCl2 → Cu + FeCl2
3Zn + 2FeBr3 → 3ZnBr2 + 2Fe
3HgCl2 + 2Al → 2AlCl3 + 3Hg
Mg + 2H2O → Mg(OH)2 + H2↑
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Объяснение:
Cl2O7 + H2O → 2HClO4
3CaO + P2O5 → Ca3(PO4)2
NaH + H2O → NaOH + H2↑
CaH2 + 2H2O → Ca(OH)2 + 2H2↑
3Na2O + P2O5 → 2Na3PO4
Fe + CuCl2 → Cu + FeCl2
3Zn + 2FeBr3 → 3ZnBr2 + 2Fe
3HgCl2 + 2Al → 2AlCl3 + 3Hg
Mg + 2H2O → Mg(OH)2 + H2↑