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nsedykin19
@nsedykin19
May 2023
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Помогите пожалуйста с химией
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Jeffersonna
1.1. CuO + H2SO4 -> CuSO4 + H2O.
1.2. CuSO4 + Zn -> Cu + ZnSO4.
2.1. ZnO + 2HCl -> ZnCl2 + H2O.
2.2. 3ZnCl2 + 2Al -> 2AlCl3 + 3Zn.
3.1. PbO + 2HNO3 -> Pb(NO3)2 + H2O.
3.2. Pb(NO3)2 + Zn -> Zn(NO3)2 + Pb.
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Answers & Comments
1.2. CuSO4 + Zn -> Cu + ZnSO4.
2.1. ZnO + 2HCl -> ZnCl2 + H2O.
2.2. 3ZnCl2 + 2Al -> 2AlCl3 + 3Zn.
3.1. PbO + 2HNO3 -> Pb(NO3)2 + H2O.
3.2. Pb(NO3)2 + Zn -> Zn(NO3)2 + Pb.