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. Erectile dysfunction (ED) is the inability of a man to attain and/or maintain an erection sufficient for sexual activity. The process leading to an erection is a complex interaction between physical and psychological factors. There have been great advances over the past twenty or so years in the diagnosis and treatment of erectile dysfunction. 1  Estimated 30 million men in the United States including over half of men between the age of 40 and 70 years old are affected by ED to some degree. 2  Erectile dysfunction is not normal at any age.