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chem102-010-20170405-122001.mp4 duration 50 minutes 0 seconds chem102-010-20170405-122001.mp4 chem102-010-20170405-122001.mp4	chem102-010-20170405-122001.mp4 UD Capture Recording logarithms +110 More From Dana Chatellier 0 likes 74 plays 0
chem102-010-20170303-122000.mp4 duration 49 minutes 59 seconds chem102-010-20170303-122000.mp4 chem102-010-20170303-122000.mp4	chem102-010-20170303-122000.mp4 UD Capture Recording ions +100 More From Dana Chatellier 0 likes 55 plays 0

chem102-010-20170405-122001.mp4