Search for tag: "2nd order"

chem102-010-20170220-122001.mp4

UD Capture Recording

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From  Dana Chatellier 0 likes 42 plays 0  

chem102-010-20170217-122000.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 53 plays 0  

chem102-010-20170215-122001.mp4

UD Capture Recording

From  Dana Chatellier 0 likes 65 plays 0