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Grachev1969
@Grachev1969
October 2021
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Составьте цепочку превращений:
Fe-Fe2O3-Fe(NO3)3-Fe(OH)3-Fe2O3-Fe
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Виктория0503
Verified answer
4Fe + 3O2 = 2Fe2O3
Fe2O3 + 6HNO3 = 2Fe(NO3)3 + 3H2O
Fe(NO3)3 + 3KOH = Fe(OH)3 + 3KNO3
2Fe(OH)3 = Fe2O3 + 3H2O
Fe2O3 + 3C = 2Fe + 3CO
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Answers & Comments
Verified answer
4Fe + 3O2 = 2Fe2O3Fe2O3 + 6HNO3 = 2Fe(NO3)3 + 3H2O
Fe(NO3)3 + 3KOH = Fe(OH)3 + 3KNO3
2Fe(OH)3 = Fe2O3 + 3H2O
Fe2O3 + 3C = 2Fe + 3CO