Ответ:
Объяснение:
№ 1
2Cu + O2 = 2CuO
CuO + H2O = Cu(OH)2
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
№ 2
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCI = CaCl2 + 2H2O
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Answers & Comments
Ответ:
Объяснение:
№ 1
2Cu + O2 = 2CuO
CuO + H2O = Cu(OH)2
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
№ 2
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCI = CaCl2 + 2H2O