1)ca- ca2(oh)- cao- cacl2- ca 2)cucl2- cu- cuo- - вопрос №46789812222 от N23N 20.06.2022 23:50

Question

Химия: 1)ca- ca2(oh)- cao- cacl2- ca 2)cucl2- cu- cuo- cucl2- cu(oh)2- cuo

N23N · Answer

Сa + 2H2O = Ca(OH)2 + H2

Ca((OH)2 =t= CaO +H2O

CaO + 2HCl = CaCl2 + H2O

CaCl2 =эл. ток = Сa + Сl2

CuCl2 + Mg = Cu + MgCl2

2Cu + O2 =t= 2CuO

CuO + 2HCl = CuCl2 + H2O

CuCl2 + 2NaOH = Cu(OH)2 + 2 NaCl

Cu(OH)2 =t= CuO + H2O

1)ca-> ca2(oh)-> cao-> cacl2-> ca 2)cucl2-> cu-> cuo-> cucl2-> cu(oh)2-> cuo