Ответ:
1) Na₂S + Pb(NO₃)₂ → PbS + 2NaNO₃
2) 2NaNO₃ → 2NaNO₂ + O₂
3) 2PH₃ + 4O₂ → P₂O₅ + 3H₂O
4) Sb₂O₃ + 3H₂ → 2Sb + 3H₂O
5) V₂O₅ + 5Ca → 2V + 5CaO
6) MoO₃ + 3Ca → Mo + 3CaO
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Answers & Comments
Ответ:
1) Na₂S + Pb(NO₃)₂ → PbS + 2NaNO₃
2) 2NaNO₃ → 2NaNO₂ + O₂
3) 2PH₃ + 4O₂ → P₂O₅ + 3H₂O
4) Sb₂O₃ + 3H₂ → 2Sb + 3H₂O
5) V₂O₅ + 5Ca → 2V + 5CaO
6) MoO₃ + 3Ca → Mo + 3CaO