Let's try a problem: The rate constant for the reaction is 5.4 x 10 -4 M -1 s -1 at 326 o C. At 410 o C the rate constant was found to be 2.8 x 10 -2 M -1 s -1. Calculate the a) activation energy and b) high temperature limiting rate constant for this reaction.
A Honor Society of Nursing (STTI) answered. To accurately diagnose attention deficit hyperactivity disorder (ADHD), a doctor, social worker, or psychologist must perform a number of medical and behavioral assessments. Many tests are required because ADHD is a complex disorder caused by several factors.
The APA did not recognize ADHD in the first edition. A second DSM was published in 1968. This edition included hyperkinetic impulse disorder for the first time.oys are more than twice as likely to be diagnosed with ADHD than girls. Adults can develop symptoms and be diagnosed as well. It was originally called hyperkinetic impulse disorder. It wasnât until the late 1960s that the American Psychiatric Association (APA) formally recognized ADHD as a mental disorder.