EXP-10 CHEM 233L SYNTHESIS OF p-BROMOANILINE Introduction: In this experiment‚ p-bromoaniline was synthesized in three steps starting from aniline. Since the amino group of aniline is a strong activator of aromatic ring‚ direct bromination is impractical (equation 1). In order to make a desired product‚ amino group needed to be protected as the acetamide which also maintained ortho and para position but slowed down the rate of reaction (equation 2). Slow reaction rate would increase
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Stone crusher is suitable for crushing materials with particle size more than 3mm. According to the difference between feeding opener and output sizes‚ they are usually separated: primary stone crusher‚ secondary stone crusher (medium crusher) and fine stone crusher. HONGXING stone crusher can used as slag crusher‚ quartz crusher‚ lime stone crusher‚ granite crusher‚ iron ore crusher‚ marble crusher and so on. Spring Cone crusher is suitable to crush various kinds of ores and rocks of medium or
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Compare-contrast essay A & P Barn Burning The two books share the common thread about the struggles of a boy growing up in the recent past but differ in the detail of the setting and the point of views. The short stories “A & P” by John Updike‚ and “Barn Burning” by William Faulkner share a lot of similarities‚ as well as a lot of differences between their characters‚ narrators‚ settings‚ and themes. “Barn Burning” was written in 1939‚ while the story “A & P” was written in 1961.
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short stories‚ “A&P” by John Updike‚ and “Model’s Assistant” from “Unclean Jobs for Women and Girls” by Alissa Nutting one could see that there are both similarities and differences within the two stories. Both stories have underlying themes of beauty and job stress. They both may have different settings and take place in separate areas but they are more similar than different. In John Updike’s “A&P”‚ the lead character Sammy encounters unusual beauty within the A&P store for his first
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from slavery. He was a slave who never knew his mother. He witnessed and bore the countless beatings‚ humiliation‚ and oppression that marked the existence of African-Americans of that era. He vowed to overcome‚ not just for himself‚ but for all the black men and women who were stuck in a life entirely not their own and a life without freedom. Fredrick Douglass may be seen as a hero to some people‚ because he knew firsthand the suffering and hopelessness of what it meant to be a slave in America.
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“P” plate drivers and fatal traffic accidents‚ continues to be a serious public health concern with the main age group being between 17-25 (Transport for NSW 2013a). P plate drivers are 33% more likely to have a crash than L plate drivers (Monash University 200). This is due to a number of factors such as: Inexperience Poor decision making Willingness to take risks whilst driving The influence of peer pressure Alcohol and drug use Stress and fatigue. Young drivers are constantly shown
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change the way you look at yourself and those around you. At any given moment we are completely susceptible to having our entire outlook on life rewritten. John Updike’s short story A&P shows how this is true through the perspective of cashier Sammy. Sammy and his coworker Stokesie witness three girls enter the A&P wearing nothing but swimsuits and after wandering the store are warned to dress more appropriately by Sammy’s boss‚ Lengel. As the girls are leaving the store Sammy quits in an attempt
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Janet Stone is a 21-year-old female that has a six-month history of heart palpitations‚ heat intolerance‚ and increasing nervousness. Although she has a good appetite‚ the patient has lost twenty pounds within the six months. A year ago‚ Stone was jogging ten miles per week‚ but has not done any jogging in the past eight months because she “doesn’t feel up to it.” She also seems to have weakness in her legs. No previous medical problems have been reported (Rashi 2010). The first hypothesis was
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1. (a) Give examples of how political-legal forces and technological forces have presented an opportunity or a threat to a particular industry or business organization. Political –legal forces are the most important factor in both opportunity and threat on an industry. Hence‚ both political legal forced and technological forces are a key factor in determining the mechanics of an industry. First of all‚ political legal factors determine the entry and exit barriers. Thus‚ if they were favorable;
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Name- Harry Potter and the Sorcerer’s Stone. Author- J.K. Rowling [Main] Characters - Harry Potter‚ Ron Weasley‚ Hermione Granger‚ Albus Dumbledore‚ Severus Snape‚ Minevra McGonigall‚ Draco Malfoy‚ The Dursleys ‚ Rebeus Hagrid‚ [Professor] Qurirell‚ and of course‚ Voldemort. Setting - England‚ during the 1990’s Plot - Harry Potter has to lead a hard life: His parents have died in a car crash when he was still a baby‚ and he is being brought up by his Uncle Vernon and Aunt Petunia
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