Красивые реакции в химии
3 years ago 00:02:03 7.2K
4 months ago 00:04:23 207
4 years ago 00:06:30 158K
9 years ago 00:06:04 192.5K
7 years ago 00:06:30 183
8 years ago 00:06:05 15
10 years ago 00:04:24 201
4 years ago 00:07:33 3.3K
4 months ago 00:02:37 30
5 years ago 00:03:24 431.2K
12 years ago 00:04:23 1.2K
10 years ago 00:02:02 1.1K
7 years ago 00:02:36 245
10 years ago 00:02:37 160
10 years ago 00:06:47 607
3 years ago 00:10:34 116.8K
10 months ago 00:21:47 51
7 days ago 00:26:35 59.9K
9 months ago 00:02:03 696
10 years ago 00:00:45 14.6K
10 years ago 00:01:19 22
7 days ago 00:11:31 44
11 years ago 00:04:24 416
6 years ago 00:00:24 21
