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nastyazaiceva
@nastyazaiceva
November 2021
1
13
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составьте уравнения химических реакций по приведённым схемам:
1)Р+О2---Р2О5
2)Hg---Hg+O2
3)Ca+H2O---Ca(OH)2
4)Zn+HCl---ZnCl2+H2
5)HCl+KOH---KCl+H2O
6)Cu2H2CO5---CuO+H2O+CO2
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Answers & Comments
shmatov1994
4 Р
+ 5
О2
= 2
Р2О5
2 HGO = 2 HG + O
2
Ca + 2 H2O = Ca(OH)2 + H
2
Zn + 2 HCl = H2 + ZnCl
2
HCl + KOH = H2O + KCl
может так :
Cu2CO3(OH)2 = 2 CuO + CO2 + H2O
1 votes
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Answers & Comments
2 HGO = 2 HG + O2
Ca + 2 H2O = Ca(OH)2 + H2
Zn + 2 HCl = H2 + ZnCl2
HCl + KOH = H2O + KCl
может так :
Cu2CO3(OH)2 = 2 CuO + CO2 + H2O