Regiochemistry and Markovnikov's rule One of the most fundamental reactions in organic chemistry is the addition of HX to an alkene. This reaction is illusturated below, using the addition of HCl to ethylene as an example:
PhD vs EdD. The EdD is a doctorate in education. All this degree means is that your doctorate is granted by a college of education. At many universities (and some professional schools) graduate psychology programs (usually in counseling developmental, or educational/learning psychology) are housed in the college of education.
Erectile dysfunction (ED) is the inability to get or keep an erection firm enough to have sexual intercourse. It is also sometimes also referred to as impotence. Occasional ED is not uncommon. Many men experience it during times of stress.