Trouble with Chemistry…
If you are having trouble with Chemistry, try watching these videos from a chemistry teacher who recorded some of his lectures:
http://www.teachertube.com/uvideos.php?UID=21388&page=1&type=public
If you are having trouble with Chemistry, try watching these videos from a chemistry teacher who recorded some of his lectures:
http://www.teachertube.com/uvideos.php?UID=21388&page=1&type=public