Химические явления ( Оксана Оксиген)
Пример химической реакции:
Электролиз воды – разложение молекулы воды под действием электрического тока. 2H2O = 2H2 O2
5 years ago 00:02:44 69
5 years ago 00:06:16 20
2 years ago 00:03:54 20
![“Химический кружок“ - выпуск 17 - “Физические и химические явления“ [кратко]](https://sun9-17.userapi.com/JuM1XoN-YxmrdvUuasOypO7WDfCNNlIvSgwiMw/CgbnnGW-B-E.jpg)
3 years ago 00:09:02 14
13 years ago 00:00:55 179
8 years ago 00:08:33 10
5 years ago 00:02:48 2
6 years ago 01:13:56 23
10 years ago 00:03:29 20
5 years ago 00:17:50 14
13 years ago 00:00:26 35
13 years ago 00:01:41 127
2 years ago 00:00:51 0
5 years ago 00:02:04 31
2 years ago 00:39:54 0
11 years ago 00:01:49 28
4 years ago 00:08:44 0
2 years ago 00:00:28 0
4 years ago 00:07:12 37
5 years ago 00:01:06 31
4 years ago 00:02:44 3
4 years ago 00:14:19 1
13 years ago 00:00:59 49
1 year ago 00:07:59 1
