Wednesday, December 25, 2019

Why Almost Everything Youve Learned About Cheapest Term Paper Writing Service Is Wrong and What You Should Know

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Tuesday, December 17, 2019

Black And The State Of North Carolina Essay - 977 Words

The data that I chose to examine is black population in the year 2010 and income in the past 12 months below poverty level. I obtained these tabular data from the North Carolina Linc website (http://linc.state.nc.us/). The data for the black population in the state of North Carolina is the official record of Census Bureau. The Census Bureau gathered this data through people who associated themselves as being â€Å"black or African American† (NC LINC- Data definition). The second variable that I chose to examine is the North Carolina counties where the income in the past 12 months falls below the poverty level. According to the Institute for Research on Poverty, the U.S. Census Bureau measure the poverty level by â€Å"comparing pretax income to the three times the cost of minimum food diet† (How is poverty measured in the United States?). Unlike some people, my prior knowledge on these subjects was very minimal until I read the article â€Å"The Case for Reparationsâ⠂¬  by Ta-Nehisi Coates. Coates article focuses on stratification, social class and class system in the American society. The article had very interesting and shocking point which made me measure them first hand through the use of NC LINK and ArcGIS online mapping software. The variables that chose to study were the black population that the North Carolina counties reported in census year of 2010. I normalized that data by dividing the number of black population for specific county by the total population of the county to get aShow MoreRelated The Fight for Racial Equality In North Carolina Essay1718 Words   |  7 Pagessegregation which greatly lessened the rights of all minorities especially in public education. The fight for educational equality made public schools in North Carolina and other states in the south a major area of conflict. Wilma Peebles-Wilkins noted, Upward mobility through the educational structure is in keeping with the desires of post-World War II black Americans to enhance their economic, political, and social statuses. There were many court cases in which organizations such as the NationalRead MorePost Civil War North Carolina943 Words   |  4 PagesPost-Civil War North Carolina, as a part of the â€Å"New South† , was supposed to be an economically and morally prosperous state that was no longer reliant on slave labor. Unfortunately, the abolition of slavery did not abolish the misfortune of black and white North Carolinians alike before 1900. Racism was still very much alive, blacks did not enjoy the rights they supposedly acquired after the war, the same rich families from before the war were still rich, and the people that were poor before theRead MoreSports And Education : Paving The Way For A New American Life995 Words   |  4 PagesLife in North Carolina With the conclusion of the Civil War in 1865, the â€Å"New South† as the native folks of North Carolina began referring their state by, sought a new way of American lifestyle through the rapid growth and popularity of organized sports. A nation controlled by ideals of the racist white male suppressed the ability of women, the poor, and African Americans to create a prosperous life for themselves. Pamela Grundy is able to beautifully illustrate the lifestyle of North Carolina citizensRead MoreIncarceration Of The United States1745 Words   |  7 PagesThere are over two million people in the United States behind bars. Incarceration in the US is one of the main forms of punishment that leads nothing after for people when getting out. Every state, city, country, all have laws we citizens obey and go by to do best for our country, but what happens someone violates the law? According to Google’s definition of a felony, it says that felony means, â€Å"a crime, typically o ne involving violence, regarded as more serious than a misdemeanor, and usually punishableRead MoreSlavery Was An Important Part Of North Carolina s History1126 Words   |  5 PagesSlavery has been part of North Carolina’s history since the late 1600s and early 1700s when the Europeans settled. The majority of the first slaves brought to the colony were from Africa. North Carolina did not play a major role in the slave trade because of its geography, which made it dangerous for slave ships to land on the coast of North Carolina. Therefore, slave traders would port to the north or south, Richmond or Charleston. Slavery was an important part of North Carolina s history because itRead MoreCivil Rights Movement : North Carolina1680 Words   |  7 PagesThe Civil Rights Movement in North Carolina North Carolina, like all southern states, experienced a civil rights movement after the Civil War. This movement would last for over 100 years until 1965 with the signing of the Civil Rights Act. While the term â€Å"civil rights movement† focuses on ending segregation and discrimination towards African Americans, there were other important freedoms and rights fought for in North Carolina. In addition to race; gender equality and voting rights, as well as,Read More The Underground Railroad in North Carolina Essay1277 Words   |  6 PagesUnderground Railroad in North Carolina The Underground Railroad was perhaps the most active and dramatic protest action against slavery in United States history and as we look at the Underground Railroad in North Carolina we will focus on the Quakers, Levi Coffin’s early years, and the accounts of escaped slaves from North Carolina. The unique blend of southern slave holder and northern abolitionist influences in the formation of North Carolina served to make the state an important link in theRead MoreThe Black Diamond Ponzi Scheme904 Words   |  4 PagesBesides Keith Simmons, there were eleven individuals and a few companies linked to the Black Diamond Ponzi Scheme. According to an U.S. Commodity Futures Trading Commission complaint, Deanna Ray Salazar and her companies Life Plus Group, LLC and Black Diamond Holdings, LLC worked closely with Keith Simmons to make the Ponzi scheme expand (U.S.C.F.T.C, 2015). According to the United States Department of Justice, Federal Bureau of Investigation, Deanna Salazar is 55 year-old woman from Yucca ValleyRead MoreBlack Wall Street Essay744 Words   |  3 PagesBlack Wall Street was the name given to Greenwood Avenue of North Tulsa, Oklahoma during the early 1900’s. Because of strict segregation, Blacks were only allowed to shop, spend, and live in a 35 square block area called the Greenwood district. The circulation of Black dollars only in the Black community produced a tremendously prosperous Black business district that was admired and envied by the whole country. Oklahoma’s first African-American settlers were Indian slaves of the so-called FiveRead MoreWhat Is Warren County PCB Landfill1358 Words   |  6 PagesFinal Paper Warren County is a county in the northeastern region of North Carolina. It is on the northern border with Virginia and about 90 minutes driving from closest large city, Raleigh. The county was formed in 1779. From 1840 to 1860, it progressively became the commerce and transportation center and one of the wealthiest towns in the state. Then in the late nineteenth and early twentieth centuries, its heavily reliance on agriculture slowed its economic development down. Because of the rise

Monday, December 9, 2019

Othello Summary Essay Research Paper Plot Summary free essay sample

Othello Summary Essay, Research Paper Plot Summary Iago is passed over for a publicity by his commanding officer, Othello, a Moor and a general in the service of Venice, and vows retaliation. Othello has merely married Desdemona, the girl of Brabantio, a Venetian Senator, and Iago enlists the assistance of Roderigo, a jilted suer, to state Desdemona # 8217 ; s male parent about the matrimony. Brabantio goes to prehend his girl, but is interrupted by intelligence of a Turkish onslaught on Cyprus. The Duke and the Senate convene, and after hearing Desdemona and Othello testify to their love for one another, they allow her to attach to him to Cyprus, which he will support against the Turks. Iago, whom Othello respects as honest and trustworthy, is given charge of Desdemona on the journey. At Cyprus, Iago has Roderigo get down a bash, in which Cassio, Othello # 8217 ; s lieutenant, wounds another adult male. Othello strips Cassio of his bid, and Cassio goes to Desdemona to inquire her to convert her hubby to reinstate him. Iago, meanwhile, sets about converting Othello that Desdemona has been unfaithful to him { with Cassio. Through insinuation and pretended hon- esty, Iago makes Othello about mad with green-eyed monster, until the Moor names him his lieutenant and makes Iago promise to assist him kill Cassio and Des-demona. Desdemona has lost a hankie that Othello gave her as a love-token, and Emilia, Iago # 8217 ; s married woman, _nds it and gives it to her hubby. Iago workss the hankie in Cassio # 8217 ; s house, and so arranges for Othello to see Cassi o give it to his kept woman, Bianca. Othello is now positive that Cassio has betrayed him with Desdemona, and that Cassio is aunting his sexual conquering by giving Desdemona # 8217 ; s hankie to a common prostitute. Othello begins mistreating his married woman in forepart of couriers from Venice, who are amazed to see this alteration in a adult male they thought to be baronial. That dark, Othello tells his married woman to wait for him in bed and goes out to walk about the metropolis. Iago has convinced Roderigo that if he kills Cassio, Desdemona will kip with him, so Roderigo onslaughts the former lieutenant. Cassio is saved by his mail shirt and wounds Roderigo ; Iago EEs, knifing Cassio as he goes. Othello, passing, hears the calls and thinks that Cassio is killed, and so returns to the palace to kill Desdemona. Meanwhile, Iago and the Venetian couriers _nd the hurt work forces ; Iago in secret kills Roderigo and sends Emilia to the palace with intelligence of the bash. Othello awakens Desdemona, tells her that she must decease, and strangles her. Emilia returns and _nds her kept woman ; Desdemona revives for a minute and so dies, stating as she passes off that Othello is inexperienced person of her decease. Her hubby, nevertheless, proclaims his ain guilt, and as the others return, Emilia realizes her hubby # 8217 ; s secret plan and exposes it. Iago, ferocious, knife her and EEs ; he is captured, and ordered to be tortured to decease. Othello, heart-stricken, makes a _nal address in which he passes sentence on himself, and so commits self-destruction. He falls beside Desdemona.

Sunday, December 1, 2019

Williamson Ether Synthesis of Phenacetin free essay sample

The procedure stated in Chem 2120 experiment 6 Williamson Ether Synthesis of Phenacetin laboratory manual was followed without any major changes. Data and results CompoundAmount used MW (g/mol) Moles Stoichiometry/Comments acetaminophen0. 354 g151. 162. 34 x 10-3limiting reagent ethyl iodide0. 3mL155. 973. 75 x 10-31. 6 equivs sodium ethoxide 2. 6mL 68. 05 3. 3 x 10-2 catalyst, reaction solvent crude product obtained: phenacetin0. 32g179. 221. 78 x 10-3yield = 76. 06% Recrystallized product: phenacetin0. 16g179. 228. 92 x 10-4yield = 38. 12% Table 1-Reagent and yield Data for the synthesis of Phenacetin Calculations Crude phenacetin: Mass of crude phenacetin product = Crude + watch glass mass Pre-weighed watch glass mass =27. 44g-27. 12g = 0. 32g Recrystallized phenacetin: Mass of recrystallized phenacetin product = Crystals + watch glass mass Pre-weighed watch glass mass = 31. 27g-31. 11=0. 16g Theoretical yield Acetaminophen: Moles = = 2. 34 x 10-3 yield = {mol product / (mol limiting reagent x 1 mol product / 1 mol reactant)} x 100%) Yield for crude phenacetin obtained = * 100% = 76. 06% Yield for recrystallized phenacetin = *100% = 38. 12% For this experiment, acetaminophen was the limiting reagent; hence the crude product gave a yield of 76. We will write a custom essay sample on Williamson Ether Synthesis of Phenacetin or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 06% while the recrystallized product gave a yield of 38. 12%. Physical appearance for products: On addition of acetaminophen to sodium ethoxide there was a brown coloured solution formed. The crude product obtained was observed to have a beige appearance, and the crystals formed where powdery in texture. On the other hand, the pure recrystallized product gave a shiny white colour appearance, with its crystals being needle like in texture. TLC results: Legend: i= acetaminophen standard ii= phenacetin standard iii = Recrystallized product Figure 1: TLC plate with acetaminophen and phenacetin standard, experimental phenacetin spots. Table2- Qualitative analysis using Chromatography. The Rf values of the standards and re-crystallized sample. The TLC results seen in table 2 above were used to determine the true identity of the experimental product. The standard acetaminophen sample spot had a retention factor value of 0. 16, the standard phenacetin sample spot had a retention factor value of 0. And the spot done for the crude and re-crystallized product gave a retention factor value of 0. 31 and 0. 27 respectively. The Mel Temp temperature had a range of 134-1370C and the standard documented melting point for Phenacetin is 133-1360C. Discussion: Sodium ethoxide (NaOEt) was used to react with acetaminophen. An alternative procedure would include use of weak base potassium carbonate (K2CO3, pKa = 10. 3). K2CO3 is anhydrous, and the Williamson ether synthesis majorly involves the removal of a proton from an alcohol using an SN2 nucleophilic reaction. Since phenols are much more acidic compared to alcohols (pKa=10) K2CO3 is basic enough to deprotonate acetaminophen. When potassium carbonate is present in a solution with acetaminophen it generates the conjugate base of acetaminophen which is powerful enough to pull apart iodoethane. Iodide is left in solution while the CH3CH2 is bonded to acetaminophen and phenacetin is the product. However, Williamson ether synthesis process requires a strong base such as sodium hydride or sodium metal. Recrystallization requires careful techniques which if not followed properly could lead to loss of recrystallized product. Some loss, resulting from transferring solids from one container to another and leaving a little material behind, cannot be avoided. But it can be ignored by improving the techniques employed in transferring the product. Also, because of the solubility of the solid in the recrystallization solvent, even at low temperatures, any unnecessary prolonged contact with recrystallization solvent, especially if the solvent is not ice-cold will result in loss of product. For that reason, the following problems commonly occur: if too much solvent is added in the recrystallization, a poor or no yield of crystals will result. If the solid is dissolved below the boiling point of the solution, too much solvent will be needed, resulting in a poor yield. In order to obtain optimal results, a minimum of near-boiling solvent should be used for the recrystallization, and a minimum of ice cold solvent should be used for the rinse. The recrystallized product was considered to be pure due to the fact that, when ran through the TLC plate, an Rf value of 0. Was obtained which is similar to the Rf value of the standard phenacetin (0. 27) that was given in the lab. Acetaminophen produced Rf value of 0. 16, its low Rf value is due to its affinity to the stationary phase as its comparatively more polar than phenacetin. Acetaminophen consists of hydroxyl group which is more polar than phenacetin consisting of ethoxide group. This causes acetaminophen to travel much slowly up the column; phenacetin is more soluble and hence travels faster up the column (less affinity to stationary phase) in the mobile phase. When the Mel-Temp apparatus was used to observe the melting point of the recrystallized product, it was discovered that the melting point of the experimental phenacetin (134-137oC) was just a fraction off the literature melting point of phenacetin (133-136 oC), the mel range of the experimental product is narrow same as the literature melting point thus revealing the purity and the identification of the phenacetin product attained in this experiment. Phenacetin can also be made by the Schotten-Baumann reaction which is an organic reaction used to convert an acyl halide or anhydride to an amide if reacted with an amine and base. In this reaction there is use of added base to drive the equilibrium in the formation of amides from amines and acid chlorides. The acylation of amines with carboxylic acid chlorides leads to the production of one equivalent acid, which will form a salt with unreacted amine and diminish the yield. The addition of an additional equivalent of base to neutralise this acid is a way to optimise the conditions. Normally, aqueous base is slowly added to the reaction mixture. References: Baar, Marsha R., Danielle Falcone, and Christopher Gordon. Microwave-Enhanced Organic Syntheses for the Undergraduate Laboratory: Diels− Alder Cycloaddition, Wittig Reaction, and Williamson Ether Synthesis. Journal of chemical education 87.1 (2009): 84-86. Pilcher, Spence C., and Joshua Coats. Preparing 4-Ethoxyphenylurea Using Microwave Irradiation: Introducing Students to the Importance of Artificial Sweeteners and Microwave-Assisted Organic Synthesis (MAOS). Journal of Chemical Education (2016). Oauf, A. A., M. A. Eldawy, and H. H. Farag. New compounds: Synthesis of certain p†alkoxyphenylacetamide derivatives as potential analgesic agents. Journal of pharmaceutical sciences 60.1 (1971): 158-159. Volker, Eugene J., Ernest Pride, and Charles Hough. Drugs in the chemistry laboratory: The conversion of acetaminophen into phenacetin. J. Chem. Educ 56.12 (1979): 831. Jackson, Paul F., Keith M. Maclin, and Jie Zhang. Alkoxy-substituted compounds, methods, and compositions for inhibiting PARP activity. U.S. Patent No. 6,197,785. 6 Mar. 2001. Mulder, Gerard J., Jack A. Hinson, and James R. Gillette. Generation of reactive metabolites of N-hydroxy-phenacetin by glucuronidation and sulfation. Biochemical pharmacology 26.3 (1977): 189-196.