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Ariadna2001
@Ariadna2001
August 2022
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1. Напишите уравнения реакций, при помощи которых можно осуществить превращения:
Ca -/ CaO -/ Ca(OH)2 -/ CaCI2
Cu -/ CuO -/ CuCI2 -/ Cu
Cu \- CuO -/ CuSO4
( -/ -в какую сторону стрелочка)
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Answers & Comments
katarina222
2Ca + O2 ->2CaO
CaO + HOH -> Ca(OH)2 + Q
2Ca(OH)2 + 2Cl2 -> CaCl2 + Ca(ClO)2 + HOH
___
2Cu + O2 -> 2CuO
CuO + 2HCL -> CuCl2 + HOH
CuCl2 ->электролиз Cu + Cl2
___
CuO + H2 -t> Cu + HOH
CuO + H2SO4 -> CuSO4 + HOH
5 votes
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Answers & Comments
CaO + HOH -> Ca(OH)2 + Q
2Ca(OH)2 + 2Cl2 -> CaCl2 + Ca(ClO)2 + HOH
___
2Cu + O2 -> 2CuO
CuO + 2HCL -> CuCl2 + HOH
CuCl2 ->электролиз Cu + Cl2
___
CuO + H2 -t> Cu + HOH
CuO + H2SO4 -> CuSO4 + HOH