Разложение нитратов свинца, меди, серебра при нагревании
2 years ago 00:01:38 24.2K
7 years ago 00:06:32 189
1 year ago 00:07:55 576
1 month ago 00:57:54 54
5 years ago 00:05:00 49
7 years ago 00:10:46 5
7 years ago 00:02:14 4.9K
9 years ago 00:06:33 117
2 years ago 00:00:32 1
5 years ago 00:00:06 8.9K
7 months ago 00:12:44 2
3 years ago 00:03:39 14
2 years ago 00:11:14 19
2 years ago 00:17:39 60.1K
13 years ago 00:02:55 81
6 years ago 00:01:26 503
11 months ago 00:14:54 4
4 years ago 00:01:56 20.3K
6 years ago 00:01:07 426
3 months ago 00:03:14 2
9 months ago 00:12:45 3
3 years ago 00:02:41 1
2 years ago 00:12:05 1
3 years ago 00:02:14 24