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Мачо441
@Мачо441
August 2022
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1. Cu - Cu(NO3) 2 - CuO CuSO 4 - Cu - CuCl2 2. K - KNO 3 - O 2 - MgO - MgCO 3- 3. FeSO 4 - Fe 2 (SO 4) 3 - Fe 2O 3 - Fe - FeCl -FeCl 3
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Answers & Comments
innysik51511
1)2AgNO3 + Cu → Cu(NO3)2 + 2Ag
2Cu(NO3)2 t
→
2CuO + 4NO2 + O
2
CuO + H2SO4 → CuSO4 + H2O
2FeSO4 + CuSO4 → Cu + Fe2(SO4)
3
Cu + Cl2 → CuCl
2
2)
8K + 10HNO3 → 8KNO3 + NH4NO3 + 3H2O
2KNO3
t→
2KNO2 + O2
MgH2 + O2 → MgO + H2O
MgO + CO2 → MgCO
3
3)
2FeSO4 + CuSO4 → Cu + Fe2(SO4)
3
Fe2(SO4)3
t→
Fe2O3 + 3SO3
Fe2O3 + 2Al
t→
2Fe + Al2O3
Fe + 2HCl → FeCl2 + H2
2FeCl2 + Cl2 → 2FeCl
3
1 votes
Thanks 1
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Answers & Comments
2Cu(NO3)2 t→ 2CuO + 4NO2 + O2
CuO + H2SO4 → CuSO4 + H2O
2FeSO4 + CuSO4 → Cu + Fe2(SO4)3
Cu + Cl2 → CuCl2
2)8K + 10HNO3 → 8KNO3 + NH4NO3 + 3H2O
2KNO3 t→ 2KNO2 + O2
MgH2 + O2 → MgO + H2O
MgO + CO2 → MgCO3
3)2FeSO4 + CuSO4 → Cu + Fe2(SO4)3
Fe2(SO4)3 t→ Fe2O3 + 3SO3
Fe2O3 + 2Al t→ 2Fe + Al2O3
Fe + 2HCl → FeCl2 + H2
2FeCl2 + Cl2 → 2FeCl3