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- ???? ??????
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????? ????? ???? ??????? ???? ??? ?? ???? ??? ??? ??????.
?????? ?? ??? ?????? ??????? ???? ???:
- ???? ???: ???? ????? ?????? ??????? ????? (????? ??? ?????? ?????? ???????)? ?????? ?????? ??? ?? ???? ????? ???????? ????? ????? ???? (film free) ?? ?????? ??? ???? ??????? ??? ?????. ??? ????? ??? ????? ??? ???? ????? ?? ?????? ?? ??????.
- ???? ???: ????? ??????? ??????? ???? ????? ?????? ??? ?????? ??????? ?????? ????? ??????????? (
????
) ????? ??? ???? ????? ????????????? ?????? ?????
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. (????
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).
- ???? ???
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[2]
* ?????? ???????????????
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???? ??? ??? ????? ?????? ??
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:
- Fe + 2H
+
→ Fe
+2
+ H
2
??? ??????? ???? ?????? ???:
Fe → Fe
+2
+ 2e ????? ????? (?????)
2e + 2H
+
→ H
2
????? ?????? (?????)
?? ????
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