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Алёнка20014
@Алёнка20014
August 2021
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помогите пожалуйста,химия 8 класс
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innysik51511
CaO + SiO2 = CaSiO3
2 Ca + O2 = 2 CaO
CuO + 2 HCl = CuCl2 + H2O
FeS + 2 HCl = FeCl2 + H2S
Zn + 2 HCl = H2 + ZnCl
2
N2 + 3 H2 = 2 NH
3
H2 + Cl2 = 2 HCl
CaCO3 = CO2 + CaO
Fe2O3 + 2 Al = Al2O3 + 2 Fe
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Answers & Comments
2 Ca + O2 = 2 CaO
CuO + 2 HCl = CuCl2 + H2O
FeS + 2 HCl = FeCl2 + H2S
Zn + 2 HCl = H2 + ZnCl2
N2 + 3 H2 = 2 NH3
H2 + Cl2 = 2 HCl
CaCO3 = CO2 + CaO
Fe2O3 + 2 Al = Al2O3 + 2 Fe