Cu →CuO →CuCl2 →Cu(OH)2 →CuO →Cu
H2SO4, SO3, NH3, CaCl2, N2O5, KClO3.
Cu(200градусов)=CuO CuO+2HCl=CuCl2+H2OCuCl2+NaOH=Cu(OH)2+2NaCl Cu(OH)2=CuO+H2 2CuO=2Cu+O2 H(+1)S(+6)O(-2)S(+6)O(-2)N(-3)H(+1)Ca(+2)Cl(-1) N(+5)O(-2)K(+1)Cl(+5)O(-2)
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Answers & Comments
Cu(200градусов)=CuO
CuO+2HCl=CuCl2+H2O
CuCl2+NaOH=Cu(OH)2+2NaCl
Cu(OH)2=CuO+H2
2CuO=2Cu+O2
H(+1)S(+6)O(-2)
S(+6)O(-2)
N(-3)H(+1)
Ca(+2)Cl(-1)
N(+5)O(-2)
K(+1)Cl(+5)O(-2)