Объяснение:
CaCO3 → CaO + CO2↑
2Zn + O2 → 2ZnO
FeO + 2HNO3 → Fe(NO3)2 + H20;
2Al + 3CuSO4 → Al2(SO4)3 + 3Cu;
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Объяснение:
CaCO3 → CaO + CO2↑
2Zn + O2 → 2ZnO
FeO + 2HNO3 → Fe(NO3)2 + H20;
2Al + 3CuSO4 → Al2(SO4)3 + 3Cu;