a) Use these data to determine the order of the decomposition process. What is the reaction order? (first-order or second order)

b) What is the order of the decomposition process? Enter the number (no units).

c) Determine the rate constant. (1/d)

d) How many micrograms will be left after 32 days? (?g)

e)How many days will it take for the sample size to decrease to 1.41 ?g?

1. carefully study of the deceased Alzheimer patients has revealed that in most cases, they contain tangles of amyloid beta protein, a substance not found in similar concentration in normal brains. Research evidence (Yanker et al., 1990) suggests that this substance causes damage to neurons that project from nuclei in the basal forebrain to the hippocampus and cerebral cortex (Coyle, 1987). 2. An entirely different kind of antidepressant is lithium. It is usually administered as lithium chloride. This drug has been found to be quite effective in treating people with bipolar disorder and is successful within 60 to 70 percent of these persons (Julien, 1995). Lithium us generally administered along with antipsychotic and or antidepressant medications. Unfortunately, lithium has serious side effects -- excessive doses can cause delirium and even death. 3. Barbiturates are drugs that act as depressants, reducing activity in the nervous system and behavior output. It is contained in sleeping pills and relaxants, constitute a second type of depressant. Benzodiazepines is a drug used for anxiety disorder. In this group there are Valium, Ativan, Xanax and Librium. It is a minor tranquilizer. It is safer than barbiturates. It is less addicting