Даю 30 баллов!!!
Закончите уравнения следующих химических реакций.Дайте название образовавшихся веществ:

1)С2H4 + 02 =

2) СН = СН + Н2 =

3) СН = СН + НBR =

4) CH = C - CH3 + HBR =

5)C + H2 =
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