Ответ:
Объяснение:
2Zn + O2 = 2ZnO
ZnO + 2HNO3 = Zn(NO3)2 + H2O
Zn(NO3)2 + 2NaOH = 2NaNO3 + Zn(OH)2
Zn(OH)2 + 2HCl = ZnCl2 + 2H2O
Zn(OH)2 + Na2O = Na2ZnO2 + H2O
б)
N2 + O2 = 2NO
2NO + O2 = 2NO2
3NO2 + H2O = 2HNO3 + NO
CaO + 2HNO3 = Ca(NO3)2 + H2O
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Answers & Comments
Ответ:
Объяснение:
2Zn + O2 = 2ZnO
ZnO + 2HNO3 = Zn(NO3)2 + H2O
Zn(NO3)2 + 2NaOH = 2NaNO3 + Zn(OH)2
Zn(OH)2 + 2HCl = ZnCl2 + 2H2O
Zn(OH)2 + Na2O = Na2ZnO2 + H2O
б)
N2 + O2 = 2NO
2NO + O2 = 2NO2
3NO2 + H2O = 2HNO3 + NO
CaO + 2HNO3 = Ca(NO3)2 + H2O