Автор - manuilov1

Помогите с ДЗ по химии плиз

Ответ

Автор - kattycats
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O

2Mg + O2 = 2MgO
MgO + 2HCl = MgCl2 + H2O
MgCl2 + 2NaOH = Mg(OH)2 + 2NaCl

S + O2 = SO2
SO2 + H2O = H2SO3
2KOH + H2SO3 = K2SO3 + 2H2O

C + O2 = CO2
CO2 + CaO = CaCO3
CO2 + H2O = H2CO3

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