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SEGARUTV
@SEGARUTV
July 2022
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Помогите сделать ОВР
1. HCl + Ca -> CaCl2 + H2
2. C + O2 -> CO2
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svetka1574
Verified answer
2HCl + Ca -> CaCl2 + H2
2H(+) +2e -> H2(0) 1 в-ие
ок-ль
Ca(0) -2e -> Ca(+2) 1 ок-ие
в-ль
С + O2 -> CO2
C(0) -4e -> C(+4) 1 ок-ие
в-ль
O2(0) +4e -> 2O(-2) 1 в-ие
ок-ль
1 votes
Thanks 3
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Answers & Comments
Verified answer
2HCl + Ca -> CaCl2 + H22H(+) +2e -> H2(0) 1 в-ие
ок-ль
Ca(0) -2e -> Ca(+2) 1 ок-ие
в-ль
С + O2 -> CO2
C(0) -4e -> C(+4) 1 ок-ие
в-ль
O2(0) +4e -> 2O(-2) 1 в-ие
ок-ль