22:25

CHM 152 Entropy 15.1

20:24

Factoring by grouping|Module 9.5

34:48

CHM 151 Day 15 Periodic Trends

19:26

CHM 151 Day 9 Examples

9:16

CHM 152 Second Law of Thermodynamics 15.2

20:19

Dividing Polynomials. Module 9.8

24:55

CHM 152 Collagitive Properties 13 3

9:02

Neil deGrasse Tyson Reveals What James Webb Found Behind Betelgeuse