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glotc
@glotc
September 2021
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ПОМОГИТЕ СРОЧНО!!! 5 и 6 7 задиния
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Chemistry2016
5) 2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3 + CO2 + H2O = Ca(HCO3)2
6) Zn + H2SO4 = ZnSO4 + H2
ZnSO4 + 2NaOH(разб) = Na2SO4 + Zn(OH)2
Zn(OH)2 + HCl = ZnOHCl + H2O
ZnOHCl + HCl = ZnCl2 + H2O
7) 2Al + 3H2SO4 = Al2(SO4)3 + 3H2
Al2(SO4)3 + 6NaOH = 2Al(OH)3 + 3Na2SO4
Al(OH)3 + HCl = Al(OH)2Cl + H2O
Al(OH)2Cl + HCl = Al(OH)Cl2 + H2O
Al(OH)Cl2 + HCl = AlCl3 + H2O
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Answers & Comments
CaO + H2O = Ca(OH)2
Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3 + CO2 + H2O = Ca(HCO3)2
6) Zn + H2SO4 = ZnSO4 + H2
ZnSO4 + 2NaOH(разб) = Na2SO4 + Zn(OH)2
Zn(OH)2 + HCl = ZnOHCl + H2O
ZnOHCl + HCl = ZnCl2 + H2O
7) 2Al + 3H2SO4 = Al2(SO4)3 + 3H2
Al2(SO4)3 + 6NaOH = 2Al(OH)3 + 3Na2SO4
Al(OH)3 + HCl = Al(OH)2Cl + H2O
Al(OH)2Cl + HCl = Al(OH)Cl2 + H2O
Al(OH)Cl2 + HCl = AlCl3 + H2O