5:49

Writing Chemical Formulas That Have Transition Metals

6:33

Math 1301 online class for factoring quadratics. Video 1 of 3.

20:50

São os volts ou os ampères que matam?

3:52

Oxidation-Reduction Reactions

13:51

The End of Haber Bosch

18:25

A Pergunta do SAT que Todos Erraram

12:37

Trump Shamelessly Shills for Tesla, Hurls More Tariffs at Canada & Stock Market Suffers Bigly

20:35

Lawrence on Wharton's worst student: Trump is mentally incapable of doing the job he was elected to