The mechanism of electrophilic aromatic substitution and the effect of electron withdrawing/donating substituents. What better way to elucidate substituent effects on the dou more..

(9 min 59 seconds)

Chemistry

(3 min 12 seconds)

Imagine two observers, one seated in the center of a speeding train car, and another standing on the platform as the train races by. As the center of the car passes the observ more..

(2 min 3 seconds)

Animation of SN1 reactions

(3 min 25 seconds)