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slowlygoth
@slowlygoth
August 2022
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ОВР
2H2 + Ca = 2CaH2
CuO + H2 = Cu + H2O
2H2 + S = 2H2S
2H2 + O2 = 2CaH
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Answers & Comments
svetka1574
H2 + Ca -> CaH2
H2(0) +2e -> 2H(-) 1 в-ие
ок-ль
Ca(0) -2e -> Ca(+2) 1 ок-ие
в-ль
СuO + H2 -> Cu + H2O
Cu(+2) +2e -> Cu(0) 1 в-ие
ок-ль
H2(0) -2e -> 2H(+) 1 ок-ие
в-ль
H2 + S -> H2S
H2(0) -2e -> 2H(+) 1 ок-ие
в-ль
S(0)+2e -> S(-2) 1 в-ие
ок-ль
2 votes
Thanks 1
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Answers & Comments
H2(0) +2e -> 2H(-) 1 в-ие
ок-ль
Ca(0) -2e -> Ca(+2) 1 ок-ие
в-ль
СuO + H2 -> Cu + H2O
Cu(+2) +2e -> Cu(0) 1 в-ие
ок-ль
H2(0) -2e -> 2H(+) 1 ок-ие
в-ль
H2 + S -> H2S
H2(0) -2e -> 2H(+) 1 ок-ие
в-ль
S(0)+2e -> S(-2) 1 в-ие
ок-ль