Question

как получить? Cu -> CuO -> CuCl2 -> Cu(OH)2 -> CuO -> Cu

Answer 1

2Cu+O2=2CuO

CuO+2HCl=H2O+CuCk2

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

Cu(OH)2=CuO+H2O

CuO+2Li=Li2O+Cu

 

 

 

 

 

 

 

 

 

Answer 2

2Cu+O2=2CuO

CuO+2HCl=H2O+CuCl2

CuCl2+2NaOh=Cu(oh)2+2Nacl

2CuO=2Cu+O2