19:21

Ch 20: Radioactive Decay

37:36

Ch 20: Nuclear Reactors and Such.

32:12

Ch 19: Balancing Redox Reactions

30:49

Ch 18: Entropy and Spontaneity

42:35

Ch 19: Concentration Cells and Electrolysis

31:44

Ch 15: Finding Equilibrium constant K

20:45

Ch 16: Acids and Bases

32:41

Ch 19: Cell potential