Search for tag: "oxygen compounds"

chem102-010-20170428-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 21 plays 0  

chem102-010-20170213-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 7 plays 0  

chem102-010-20170206-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 86 plays 0