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0:02:48
Shrink Wrap a Student Demo - 23-24
0:01:51
Hydrogen Balloon and Liquid Nitrogen
0:01:24
Helium and Liquid Nitrogen Demo
0:52:28
TUMs Lab Lab Design - 23-24
0:00:20
Table 5 - Period 4 - 23-24
0:00:21
Table 4 - Period 2 - 23-24
0:00:19
Table 3 - period 2 - 23 - 24
0:00:20
Table 1 -period 4 - 23 - 24
0:02:32
Homogeneous:/ Heterogeneous - Density Salting-Out Demo
1:58:44
June 2022 Regents Chemistry Free Response Solutions
2:36:02
June 2022 Regents Chemistry MC Solutions
0:08:18
2023 AP Biology FRQ - Mr. Grodski Solutions
0:08:47
Superheated Steam Demo - 23
0:36:55
Half Reactions and Spontaneity - regents chemistry
0:12:07
2023 AP Chem FRQ Solutions - Mr Grodski
0:30:51
Completing Lab 24
0:11:28
Deposition and Sublimation of Carbon Dioxide
0:12:46
Exothermic and Endothermic concepts part 2
0:34:06
Exothermic and Endothermic Concepts through Demonstrations
0:17:35
Writing Net Ion Acid Base Reactions
0:02:06
Iodine Deposition
0:25:02
DOG2a - Review Worksheet Review
0:02:28
Margarine Separation - Percent Oil - Virtual Lab
0:02:15
Electrolysis of Water Demo - Time Lapse
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