a)
Ca+O=CaO
CaO+H2O=Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 +2H2O
б)
Cu+O=CuO
CuO+H2SO4= CuSO4 + H2O
CuSO4 +2H2O= Cu(OH)2 + H2SO4
Cu(OH)2= CuO + H2O
CuO= Cu + O
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
a)
Ca+O=CaO
CaO+H2O=Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 +2H2O
б)
Cu+O=CuO
CuO+H2SO4= CuSO4 + H2O
CuSO4 +2H2O= Cu(OH)2 + H2SO4
Cu(OH)2= CuO + H2O
CuO= Cu + O