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Вероника31
@Вероника31
August 2022
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Завершите уравнения реакций: P2O5+…=H3PO4 Na2O+…=NaOH K2O+…= KCl+H2O PH3+…=P2O5+H2O SO3+…=NA2SO4+… CaO+…=CaSi3 Осуществите следующие превращения: Cu―CuO―CuSo4―Cu(OH)2―CuO―Cu
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romulus342
Verified answer
P2O5+3H2O=2H3PO4
Na2O+H2O=2NaOH
K2O+2HCl=2KCl+H2O
2PH3+4O2=P2O5+3H2O
SO3+2NaOH=Na2SO4+H2O
CaO + SiO2 = CaSiO3
2.
1)2Cu+O2=2CuO
2)CuO+H2SO4=CuSO4+H2O
3)CuSO4+2NaOH=Cu(OH)2+Na2SO4
4)Cu(OH)2=CuO+H2O
5)3CuO+2NH3=3Cu+N2+3H2O
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Verified answer
P2O5+3H2O=2H3PO4Na2O+H2O=2NaOH
K2O+2HCl=2KCl+H2O
2PH3+4O2=P2O5+3H2O
SO3+2NaOH=Na2SO4+H2O
CaO + SiO2 = CaSiO3
2.
1)2Cu+O2=2CuO
2)CuO+H2SO4=CuSO4+H2O
3)CuSO4+2NaOH=Cu(OH)2+Na2SO4
4)Cu(OH)2=CuO+H2O
5)3CuO+2NH3=3Cu+N2+3H2O