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lamyre
@lamyre
October 2021
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кому не сложно,сделайте правтльно
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kattycats
2Al + 3CuSO4 = Al2(SO4)3 + 3Cu
Al(0) - 3e = Al(3+)
Cu(2+) + 2e = Cu(0)
2Al(0) + 3Cu(2+) = 2Al(3+) + 3Cu(0)
4Fe(NO3)3 = 2Fe2O3 + 12NO2 + 3O2
N(+5) + 1e = N(+4)
2O(2-) -4e = O2(0)
4N(+5) + 2O(2-) = 4N(+4) + O2
3F2 + 2CrCl3 = 2CrF3 + 3Cl2
F2(0) + 2e = 2F(-)
2Cl(-) - 2e = Cl2(0)
F2(0) + 2Cl(-) = 2F(-) + Cl2(0)
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Answers & Comments
Al(0) - 3e = Al(3+)
Cu(2+) + 2e = Cu(0)
2Al(0) + 3Cu(2+) = 2Al(3+) + 3Cu(0)
4Fe(NO3)3 = 2Fe2O3 + 12NO2 + 3O2
N(+5) + 1e = N(+4)
2O(2-) -4e = O2(0)
4N(+5) + 2O(2-) = 4N(+4) + O2
3F2 + 2CrCl3 = 2CrF3 + 3Cl2
F2(0) + 2e = 2F(-)
2Cl(-) - 2e = Cl2(0)
F2(0) + 2Cl(-) = 2F(-) + Cl2(0)