Monday, January 27, 2020

Quantitative Determination of Sulphate

Quantitative Determination of Sulphate Quantitative Determination of Sulphate by Gravimetric Analysis Yeo Yi Joshua Gravimetric analysis is a quantitative method to determine the amount of a substance, sulphate, by selective precipitation of the substance from an aqueous solution. In this experiment, the amount of sulphate is determined quantitatively as barium sulphate, BaSO4 by gravimetric analysis. This experiment will allow one to determine the amount of sulphate SO42- by the gravimetric method. This determination is done by slowly adding a dilute solution of barium chloride, BaCl2 to a hot unknown sulphate slightly acidified with concentrated HCl. The reaction is as followed, Ba2+ + SO42- → BaSO4 (white precipitate). The white precipitate is then filtered off, washed with water, dried in the oven, and weighed as barium sulphate. The percentage of sulphate is then calculated from the weight of barium sulphate. According to the results, the concentration of SO42- we obtained was 0.0345M and 3.31 g/L, which was close to the theoretical value of 3.38 g/L, at only a deviation of 2.11%. The experiment was successful and the results obtained were desirable. The objective of the experiment is to determine the amount of sulphate by the gravimetric method. In this experiment, the precipitation gravimetric method is used. The unknown sulfate solution is converted into an insoluble white compound, BaSO4. It is then filtered by suction filtration, washed, dried and weighed to determine the amount of sulphate. The following diagram shows the outline of the experiment. 3.1 Gravimetric Analysis Gravimetric analysis is defined as the quantitative analysis of the chemical composition of substances of materials based on the separation of each component of interest and weighting either the purified compound or a derivative of it. Gravimetric analysis include precipitation, volatilisation and electro-analytical methods. The precipitation method involves converting the analyte to a sparingly soluble precipitate which is then filtered, washed free of impurities and converted to a compound of known composition by suitable heat treatment which can be weighed. The volatilisation method involves volatilising the analyte of its decomposition products at suitable temperature. The product is then collected and weighed or alternatively determined indirectly from the loss in mass of the sample. The electro-analytical method involves the depositing electrically the element to be estimated on a suitable electrode, avoiding filtration and decomposition, by controlling the experimental conditions. This is based on Faraday’s Second Law, i.e. when a given current is passed in series through the solution containing various ions, the amount of substances that is deposited will be in the ratio of their chemical equivalent. In this experiment, the quantitative determination of sulfate, as barium sulfate BaSO4, is done by the precipitation method of gravimetric analysis. This involves precipitation by slowly adding a dilute solution of barium chloride, BaCl2, to a hot unknown sulfate solution slightly acidified with concentrated hydrochloric acid, HCl. The white precipitate is filtered off, washed with water, dried in the oven, and weighed as barium sulfate. The percentage of sulfate is then calculated from the weight of barium sulfate, this include the molarity and concentration of sulfate, SO42-, in g/L. 3.2 Reaction In the experiment, dilute barium chloride is added to an unknown sulfate solution slightly acidified with concentration HCl. Reaction: Ba2+ + SO42- → BaSO4 (precipitate) The mole ratio of SO42- : BaSO4 is 1:1. Thus, for every 1 mole of SO42-, there will be 1 mole of BaSO4. Since Moles of Solute (mol) = Molarity (M) x Volume (L) and Moles of Solute (mol) = Weight (g) à · Molar Mass (g/mol), the molarity of SO42- can be easily obtained with the volume of SO42- weight of BaSO4 and molar mass of BaSO4. 3.3 Precipitation 3.3.1 Conditions of Precipitation Precipitating agent should be mixed slowly and with constant agitation. This keeps the degree of supersaturation small and will help in the formation of crystalline precipitate. Precipitation should be carried out in dilute solution. Precipitation should be carried out in hot solution, provided the precipitate is stable at higher temperature. Crystalline precipitate should be digested for a longer time. Precipitates should be preferable washed with dilution solution of appropriate electrolyte. Washing with water is avoided as it leads to peptisation. Precipitates that are contaminated by co-precipitation or others are dissolved in a suitable solvent and then reprecipitated from the solution. 3.3.2 Properties of Precipitates Precipitate should be of sufficiently low solubility such that no sufficient loss of the solid occurs during filtration and washing Physical nature of the precipitate should be such that it can be readily separated by filtration and be washed free of soluble impurities i.e. particles should be size such that they cannot pass through the filtering media and particle size is unaffected by washing Precipitate should be stable and unreactive to atmospheric conditions Precipitate must be convertible to a pure compound of definite and known chemical composition. This may be possible by either ignition or by simple operation such as evaporation. 3.3.3 Particle Size of Precipitates The particle size of a precipitate is influenced by precipitate solubility, temperature, reactant concentrations, and the rate at which reactants are mixed. The net effect of these variables can be qualitatively accounted for by assuming that the particle size is related to a single property of the system called relative supersaturation. Q is the concentration of the solute at any instance and S is the equilibrium solubility. This equation is known at the Von Weimarn equation in recognition of the scientist who proposed it in 1925. The particle size of a precipitate varies inversely with the average relative supersaturation during the time when the reagent is being introduced. Thus, when the relative supersaturation is large, the precipitate tends to be colloidal, and when the relative supersaturation is small, a crystalline solid is more likely. A colloid consists of solid particles with diameters that are less than 10-4 cm. 3.3.4 Mechanism of Precipitation A supersaturated solution is an unstable solution that contains a higher solute concentration than a precipitated solution. As excess solution precipitates with time, supersaturation decrease to zero. Precipitates form by nucleation and by particle growth. Nucleation is a process in which a minimum number of atoms, ions, or molecules join together to give a stable solid. These nuclei form on the surface of the suspended solid contaminants, such as dust particles. Further precipitation then is governed by the competition between additional nucleation and growth of existing nuclei (particle growth). Adsorption is a process in which a substance (gas, liquid or solid is held on the surface of a solid. In contrast, absorption is retention of a substance within the pores of a solid. The charge on a colloidal particle formed in a gravimetric analysis is determined by the charge of the lattice ion that is in excess when the precipitation is complete. Digestion is a process in which a precipitate is heated in the solution which is was formed (the mother liquor) and allowed to stand in contact with the solution. Mother liquor is the solution from which a precipitate was formed. Digestion improves the purity and filterability of both colloidal and crystalline precipitates. 4.1 Outline 4.1 Precipitation of BaSO4 4.2 Washing and Filtering BaSO4 Precipitate 4.3 Drying and Weighing BaSO4 Precipitate 5.1 Weights Weight of crucible with the precipitate = 17.7473g Weight of crucible (with a piece of filter paper) = 17.5462g à ¯Ã‚ Ã…“ Weight of BaSO4 precipitate = Weight of crucible with the precipitate Weight of crucible (with a piece of filter paper) = 17.7473g 17.5462g = 0.2011 g 5.2 Molarity and Concentration Ba2+ + SO42- → BaSO4 (precipitate) (Mol Weight BaSO4 = 233.33 g/mol) à ¯Ã‚ Ã…“ Molarity of SO42- = 0.0344747 M = 0.0345 M à ¯Ã‚ Ã…“ Concentration of SO42- in g/L = Molarity of SO42- x Mol wt of SO42- = 3.313026 g/L = 3.31 g/L 6.1 Theoretical Values [SO42-] = 0.0352 M = 0.0334 – 0.0376 M (5% deviation) = 3.38 g/L = 3.21 – 3.55 g/L (5% deviation) 6.2 Comparison of Results The concentration of SO42- we obtained was 0.0345M and 3.31 g/L, which was within the 5% deviation range of 3.21 – 3.55 g/L. It was relatively close to the theoretical value of 3.38 g/L, at only a deviation of 2.11%. The results above show that the experiment was successful as the actual value was close to the theoretical value. 6.3 Precautions Taken To obtain the best results, BaSO4 crystals should be as large as possible. This facilitates filtration and washing of the crystals and the decreased surface area minimizes the amount of impurities adsorbed onto the crystals. Generally, larger crystals are obtained when the rate of precipitation is lower. The rate of precipitation can be decreased by slightly increasing the solubility of BaSO4. To minimise the rate of precipitation, the following were done: Adding 5 drops of concentrated HCl. Adding HCl increases the solubility by lowering the pH. The solubility of BaSO4 at room temperature is around 0.3-0.4 mg per 100 g of water and increases when excessive amount of mineral acid is present. Additionally, precipitation should be done in an acidic medium as when done in neutral and basic mediums, Ba2+ ions precipitate with PO43-, CO32- or OH ions which are present in the solution. Addition of excess acid is avoided. Heating to boiling. Adding BaCl2 dropwise with vigorous stirring. At the end of the precipitation, a few drops of BaCl2 was added to the clear supernatant liquid to test for complete precipitation. After precipitation, suction filtration was performed. Suction filtration allows a higher rate of filtration by using a pressure gradient created by the aspirator. The precipitate was washed with deionised water and dried in the oven. It was then placed in a desiccator. The function of a desiccator is to remove moisture from a substance or to protect a substance from moisture, thus preventing water from the humidity in the environment to react with the substance. 6.4 Sources of Error 6.4.1 Coprecipitation Coprecipitation is a process in which normally soluble compounds are carried out of solution by a precipitate. There are four types of Coprecipitation: surface adsorption, mixed-crystal formation, occlusion and mechanical entrapment. Surface adsorption and mixed-crystal formation are equilibrium processes, and occlusion and mechanical entrapment arise from the kinetics of crystal growth. Coprecipitation impurities may cause either negative or positive errors in an analysis. If the contaminant is not a compound of the ion being determined, a positive error will always result. In contrast, when the contaminant does contain the ion being determined, either positive or negative errors may occur. 6.4.2 Surface Adsorption Adsorption is often the major source of contamination in coagulated colloids (large specific surface areas) but of no significance in crystalline precipitates. Although adsorption does occur in crystalline solids, its effect on purity are usually undetectable because of the relatively small specific surface area. Coagulation of a colloid does not significantly decrease the amount of adsorption because the coagulated solid still contains large internal surface areas that remain exposed to the solvent. The coprecipitated contaminant on the coagulated colloid consists of the lattice ion originally absorbed on the surface before coagulation plus the counter-ion of opposite charge held in the film of solution immediately adjacent to the particle. The net effect of surface adsorption is the carrying down of an otherwise soluble compound as a surface contaminant. 6.4.3 Mixed-Crystal Formation In mixed-crystal formation, which is also known as inclusion, one of the ions in the crystal lattice of a solid is replaced by an ion of another element. For this to occur, the two ions must have the same charge and their sizes must differ by no more than 5%. Furthermore, the two salts must belong to the same crystal class. The extent of mixed-crystal contamination is governed by the law of mass action and increases as the ratio of contaminant to analyte concentration increases. Little can be done about it when certain combinations of ions are present in a sample matrix. This problem occurs with both colloidal suspensions and crystalline precipitates. When this occurs, the interfering ion may have to be separated before the final precipitation step. Alternatively, a different precipitating reagent that does not give mixed crystals with the ions in question may be used. 6.4.4 Occlusion and Mechanical Entrapment When a crystal is growing rapidly during precipitate formation, foreign ions in the counter-ion layer may become trapped, or occluded, within the growing crystal. Because supersaturation and thus growth rate decreases as precipitation progresses, the amount of occluded material is greatest in that part of a crystal that forms first. Mechanical entrapment occurs when crystals lie close together during growth. Several crystals grow together and in so doing trap a portion of the solution in a tiny pocket. Both occlusion and mechanical entrapment are at a minimum when the rate of precipitation formation is low, under conditions of low supersaturation. In addition, digestion often reduces the effects of these types of coprecipitation. The rapid dissolving and reprecipitation that occur at the elevated temperature of digestion open up the pockets and allow the impurities to escape into the solution. 6.4.5 Peptisation Peptisation is the process by which a coagulated colloid reverts to its original dispersed state. When a coagulated colloid is washed, some of the electrolyte responsible for its coagulation is leached from the internal liquid in contact with the solid particles. Removal of this electrolyte has the effect of increasing the volume of the counter-ion layer. The repulsive forces responsible for the original colloidal state are then re-established, and particles detach themselves from the coagulated mass. The washings become cloudy as the freshly dispersed particles pass through the filter. Washing is needed to minimised contamination but there is a risk of losses resulting from peptisation if pure water is used. This is usually solved by washing the precipitate with a solution containing an electrolyte that volatilises when the precipitate is dried or ignited. 6.4.6. Postprecipitation Post precipitation occurs when the top of the precipitate, which is in contact with the mother liquor is contaminated by precipitation of impurities. This may be due to the primary adsorption of the common ion in excess, whereby the supersaturated solution of the second material is formed on the surface of the particle which offers nucleation sites to break supersaturation and causes a secondary precipitate to form. 6.5 Improvements 6.5.1 Minimising Adsorbed Impurities on Colloids The purity of many coagulated colloids is improved by digestion. Digestion is a process in which a precipitate is heated in the solution which is was formed (the mother liquor) and allowed to stand in contact with the solution. During digestion, water is expelled from the solid to give a denser mass that has a smaller specific surface area for adsorption. Washing a coagulated colloid with a solution containing a volatile electrolyte is also helpful because any non-volatile electrolyte added earlier to cause coagulation is displaced by the volatile species. Washing generally does not remove much of the primarily adsorbed ions because the attraction between these ions and the surface of the solid is too strong. Exchange occurs, however, between existing counter-ions and ions in the wash liquid. 6.5.2 Reprecipitation An effective way to minimise the effects of adsorption is reprecipitation. Reprecipitation adds substantially to the time required for an analysis. In this process, the filtered solid is redissolved and reprecipitated. The first precipitate carries down a fraction of the contaminant present in the original solvent. Thus, the solution containing the redissolved precipitate has a significantly lower contaminant concentration than the original, and even less adsorption occurs during the second precipitation. 6.5.3 Precipitation from Homogenous Solution Precipitation from homogenous solution is a technique in which a precipitating agent is generated in a solution of the analyte by a slow chemical reaction. Local reagent excesses do not occur because the precipitating agent appears gradually and homogenously throughout the solution and reacts immediately with the analyte. Thus, relative supersaturation is kept low during the entire precipitation and homogenously formed precipitates are better suited for analysis. This results in marked increase in crystal size as well as improvements in purity. In a nutshell, the experiment was a success and the results obtained were desirable. According to the results, the concentration of SO42- we obtained was 0.0345M and 3.31 g/L, which was close to the theoretical value of 3.38 g/L, at only a deviation of 2.11%. Although there may have been various possible sources of error, we have minimised them by lowering the rate of precipitation. The amount of sulfate was successfully determined by gravimetric analysis. A. V. Kasture , H. N. More, K. R. Mahadik , S. G. Wadodkar. 2008. Pharmaceutical Analysis Vol. – I. Pragati Books Pvt. Ltd. Braun, R.D. 1982, Introduction to chemical analysis, McGraw-Hill, New York. Cammack, R. 2006, Oxford dictionary of biochemistry and molecular biology, Oxford University Press Oxford, Oxford Erdey, L., Belcher, R. Gordon, L. 2013, Gravimetric Analysis : International Series of Monographs in Analytical Chemistry, Vol. 7, Pergamon, Burlington. Skoog, D.A. 2014, Fundamentals of analytical chemistry, Brooks/Cole, Cengage Learning, Australia. Davidson College Chemistry Resources. Gravimetric Analysis [online]. Available from: http://www.chm.davidson.edu/ronutt/che115/ VIII_gravi.pdf [Accessed 20 December 2014] Middle East Technical University. Gravimetric Determination of Sulfate in a Soluble Sample [online]. Available from: http://www.metu.edu.tr/~chem223/sulfate.pdf [Accessed 20 December 2014] Santa Monica College. Gravimetric Analysis [online]. Available from: http://www.smc.edu/projects/28/Chemistry_11_Experiments/Gravimetric_Analysis_Procedure.pdf [Accessed 20 December 2014] Texas AM University. Gravimetric Analysis [online]. Available from: https://www.chem.tamu.edu/class/majors/tutorialnotefiles/gravimetric.htm [Accessed 20 December 2014]

Sunday, January 19, 2020

Pocahontas: Reel vs Real Essay

The Disney version of Pocahontas and the real story have many differences such as the romance, Pocahontas’ personality, and how the story ended. Disney has romanticized the tragic story of Pocahontas into not one, but two cartoons, with a target audience of children. And with deeply embedded messages into the plot of love and strength, many differences surface, showing off Disney’s ability to make a story of war, captives, and death a happy tale for children to enjoy. In the Disney version, the plot takes on a very dominant love story between Pocahontas and John Smith. The two meet in the woods while John Smith, an explorer who came from England to the New World, is scoping out the land for savages. Pocahontas was intrigued by the new people who had encroached on her father’s territory. When their paths crossed and they met, Hollywood worked their magic and Pocahontas and John Smith fall in love. And like any good love story there were obstacles in the way of the ir relationships. Like Pocahontas’ father warning his people to avoid the new â€Å"white people†; Pocahontas was engaged to Kocoum; and John Smith’s crew believed that all Indians were savages. But the two overcame all the obstacles in their way. Kocoum was killed by a crew member of John Smith’s and John was captured by the Powhatan tribe and was sentenced to death. So Pocahontas saved John’s life and made peace between the colony and her tribe. As romantic as the Disney version is, the true story takes a much less Hollywood love story route. When John Smith and Pocahontas met, they hardly would have considered â€Å"love†. According to dates and records when, or if, John and Pocahontas met a relationship would have been inappropriate due to Pocahontas age. Not to mention a white man falling in love with a â€Å"savage† was highly unheard of in that time. So the John Smith and Pocahontas love story from the Disney movie is simply a work of fiction. But in 1613, Pocahontas was captured and held for ransom by the English. During her time with the English, one of her captures, John Rolfe, took a liking to her and issued her release on the condition she marry him. Whether she truly loved him is unknown. So Pocahontas, to create a truce among the colony and tribe, married John Rolfe and was baptized as Lady Rebecca. Rebecca and John moved back to England and had a child name Thomas. Throughout the Disney version, Po cahontas’ character is developed very quickly. The movie portrays Pocahontas as a very strong individual. She did  what she wanted and when she wanted, like leaving to see John Smith when her father had told her to stay away from the new people. Pocahontas was also portrayed as noble and very wise. She had brought peace to two feuding colonies, which is a big task for a teenager. Beyond that, Pocahontas was a very spiritual girl, she was very empathetic to animals and nature, as well as possible shamanic power. Pocahontas believed in spirits and prophecies, she also sang a song to John Smith saying how everything was important and should be valued, like the bear. Also she could talk to Grandmother Willow, who was a tree, lending itself to shamanic power. And John Smith also listened to her, which shows Pocahontas as a highly respected woman. Pocahontas Was very highly regarded, people listened to her, like her father the chief. But as well as being a strong woman, she was also a beautiful young girl, which people, her people an d the English, notices and appreciated. In the movie, Pocahontas is seen as a very strong individual, but in the real story was not as brave or noble. Pocahontas’ true name was Matoaka, which means â€Å"naughty one† or â€Å"spoiled one†. Like in the movie, she was a part of the Powhatan tribe and was the Chief’s daughter. What the movie didn’t mention was she had several siblings and her mother was a Chief’s wife. Someone who gave the Chief a child and then remarried with little contact to their child and then remarried with little contact to their child. But the biggest difference is that in the real story Pocahontas/Matoaka was not the â€Å"main character†. Pocahontas had small influence on the story and was merely the Chief’s favourite daughter. Pocahontas only became a part of the â€Å"story† when she was captured by the English. She never actually helped in the battles between the English and her tribe. Disney’s version of Pocahontas has gotten about three hours to be told between the first and second movie. The first movie ended by Pocahontas bringing peace to the colony and her tribe. She did that by saving John Smith’s life and making a huge speech about equality. The tribe agrees and so do most of the Englishmen. But Governor Ratcliffe tried to shoot Pocahontas, but instead hit John. It ends by John being brought back to England wounded, and asking for Pocahontas to come back with him. She says no and watches his boat sail off. And in the second movie it ends by John Smith asking her to leave England and sail â€Å"the open seas†. Again Pocahontas says no because she would rather go home. When she boards the boat she  notices that John Rolfe was on board. During Pocahontas’ adventure in England she realized she loved John Rolfe. So the two happily sailed off to Jamestown Virginia, roll credits. The actual ending for Pocahontas’ story took a much darker turn than Disney. Like in the movie she does â€Å"end up† with John Rolfe. But as stated earlier, Pocahontas was captured by the English and held for ransom. During the time spent as a captive she was taught English and baptized as Lady Rebecca. She married John Rolfe and they moved back to England. Pocahontas became a celebrity as the â€Å"civilized savage†. Pocahontas and John had a child and named him Thomas. Then in 1617, right before setting sail to Jamestown, Pocahontas died at the age of 21. The Disney version’s ending was much more â€Å"happily ever after† but the real version ended as every bodies story ends. The Disney version of Pocahontas has many differences from the real story and is highly inappropriate because it turns a tragic story into not one, but two cartoon movies, for children. The many differences include romance, the character personality of Pocahontas, and the ending of the story. Overall, the real story is much darker than the Disney version.

Friday, January 10, 2020

Current Ethical Issues Paper

Current Ethical Issues Paper Heidi L. Hinckley XMGT/216 December 16, 2012 Dan Mitchell In creating this paper I have decided to use the Kudler Fine Foods organization, due to the fact that I enjoy trying new flavors from around the world. Kudler Find Foods is â€Å"a local upscale specialty food store† (Kudler website) located in California. Kudler Fine Foods currently has three locations in the state of California. There focus is to bring the finest foods and finest team members they can to their potential customers.They offer a wine steward at each location, as well as monthly classes for customers to lean about various wines in the store. Kudler Fine Foods wants to promote the best in food and service. The Kudler Fine Foods organization first opened their doors on June 18, 1998. The owner and creator, Kathy Kudler, decided to take her passion for gourmet cooking and turn it into a business that she could be successful at as well as enjoy doing. That success has been proven in the opening of two additional stores one in 2000 and another in 2003.Kudler Fine Foods offers a variety of ingredients, fresh baked goods, meats, local seafood, cheeses and wines. Kudler Fine Foods is a one stop shop for any gourmet cook or even want to be gourmet cook in the family. One large ethical issue is the lack of leadership on the part of the owner Kathy Kudler. She lacks interaction with her customers as well, spending most of her time doing all of the ordering for all three of her stores. This can create large ethical issues in that she is not in touch with what her customers really want.There is also the ethical issue of using family to when referring to legal issues. First is the issue of nepotism and secondly there is the advice to always settle on customer accidents. This action makes the business appear as if they are always at fault and not taking the customers safety into consideration. Another issue that jumped right out is in the wording of certain areas of he r website. If she truly wants to bring the best to everyone, then she needs to remove statements from her website that list herself as upscale.I understand that she is trying to create an atmosphere, but in that statement it would seem that she only want to work with certain kinds of customers. This could lead some consumers to think that they are not welcome in her stores. .Kathy Kudler has a moral and ethical obligation as a business owner to promote an atmosphere that is open and welcoming to all. There is also the questionable promotion on Kudler Fine Foods website on how they only hire the best employees.Although I personally understand the statement, it can be considered unethical in the terminology. There is an insinuation that in that way that terminology is presented. There should be a change there in that all Kudler Fine Foods employees are trained to assist customers with any questions they may have on the products that are available in the store. There is also an ethical issue in the description of the stores themselves. The website promotes the locations as â€Å"8,000 square feet of retail space in a fashionable shopping center† (Kudler Fine Foods).Again the terminology in that statement may be perceived as condescending as if certain individuals would not be welcomed within the locations. With a store like this it is important that if you are promoting the flavors of the world they you would also represent the people of those regions. A diverse workforce that is familiar with these ingredients and foods would also show that the owner take a strong diverse attitude with her business. This would also bring a welcoming atmosphere to all in the neighborhoods around these store locations.If Kathy Kudler makes that type of promotion that her store is diverse and open then her stores will be considered a gem in their neighborhoods and she will continue see more growth, and it may even be faster than she planned. Offering top services to her cust omers, by offering the best training and information for her employees, will help to lead to a business that Kathy Kudler can not only be successful at but that she can also enjoy doing. Reference: https://ecampus. phoenix. edu/secure/aapd/cist/vop/index. html https://ecampus. phoenix. edu/secure/aapd/cist/vop/Business/Kudler2/internet/index. asp

Thursday, January 2, 2020

Why English is Important Essay - 929 Words

Why do I have to take English? Who needs to know all that stuff about diagramming sentences, the proper use of prepositions, misplaced modifiers, malapropos, etc. How will I use it in everyday life. Well, I guess it is quite simple; communication. Without the use of proper English we would have a hard time communicating. Let’s begin by looking at a basic form of communication, the newspaper. How many times have I read the newspaper and had to reread it several times to figure out what they were saying. It seems the world has become lackadaisical when it comes to the English language. We just put words down on paper and that’s it. We don’t care whether it makes sense or not. I guess we figure we can speak English that should be enough.†¦show more content†¦So, lets get back to the basics and make it right. Why is it so hard to do a simple diagram of a sentence, I’m talking the simplest form of diagramming; subject verb. Why is it so hard to deciphe r whom the sentence is about and what they are doing? To me I think it is a great dishonor to all the great educators who have toiled for years for the knowledge to pass on so we might be a well spoken people. So now educators are trying to dumb down education, not elementary educators, which shows in the lack of English knowledge in college students, but college professors. Now you hear in the news of a professor wanting to teach â€Å"Black English† in college. The so called â€Å"Black English† is basically street-talk, which is synonymous with ignorance. Did not the likes of W.E.B. DuBois, Booker T. Washington, Martin Luther King Jr., Abraham Lincoln, not to mention the whole Civil Rights Movement strive that all those once denied access to proper education have an equal chance in all things especially education. It seems to me that by not trying to take ignorance out of our vernacular is a great disgrace to those who fought for equality. 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English is a very hard language to learn, especially if you can’t hear it. How easy would it be to confuse a â€Å"B† with a â€Å"P† they sound similar and when trying to lip read how can you tell the difference? I feel that young Deaf/hard of hearing students should be taught by a Deaf teacher or a child of a Deaf adult (C.O.D.A) teacher is important because ASL isRead MoreTransitional Bilingual Education Essay1247 Words   |  5 Pageslanguage other than English at home and require some type of assistance to learn English in s chool. This equates to nearly 5 million students every year. The most common type of language assistance is an ELL or English Language Learner program. There are new and more effective solutions being practiced including Transitional Bilingual Education (TBE). Due to the rising numbers of non-native English speakers in the school system today, finding and implementing the best English acquisition program