August 2022 1 29 Report
Расставьте коэффициенты и определите тип реакции в схемах уравнений :
a) Cu + O2 =Cu2O3
б) SO + O2 = SO2
в) FeCl2 + Ca =CaCl2 + Fe
г) NaClO3 = NaCl + O2
д) Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O
е) SiO2 + Ba = BaO + Si
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