Separating 3 solids Essay Example for Free

Separating 3 solids Essay Procedure: * 5.4g. of Sand, 7.4g. of Copper Sulfate and 8.3g. of Iron Filings are mixed together with a spatula in a beaker. * A magnet is then produced and the small-grey Iron is extracted. * Filter Paper is used to filter out the damp Sand. * A clear-blue Copper Sulfate solution is obtained. * Copper Sulfate solution is poured into an crystallising basin. * Basin is left for a full week along with the damp Sand. * Copper Sulfate crystals are produced. D.C.P.: Weight Before (g) After Iron Filings 8.3 8.3 Sand 5.4 5.5 Copper Sulfate 7.4 7.3 Conclusion/Evaluation: Only slightly less of each material was obtained after the separation, leading to a relatively low level of loss and error. In order to simplify the separation of the Iron Filings, and solve the problem of small pieces of Iron staying attached to the Magnet, I decided to wrap the magnet with a thin layer of paper towel that could then slide off the magnet to release the Iron Filings and drastically decrease the chances of losing pieces of Iron. The Sand weighed more after rather than before because it still had some water in it, whilst the Copper Sulfate weighed slightly less because of loss in small fragments of Copper Sulfate crystals left in the crystallising basin both Copper Sulfate before and after were in the form of crystals and therefore contained water. One apparent problem is that we were unable to weigh the Copper Sulfate in the crystallising basin and therefore had to risk losing some Copper Sulfate because we wouldnt be able to scratch all of it off the basin, or we had to resort to losing a significant figure. A Weighing machine that could handle up to 2kg whilst at the same time not sacrificing accuracy could have easily solved this. Another slight problem would be that of our assumption on the amount of water present in the crystals of Copper Sulfate in regards to before and after the experiment, although there is very little that we could have done about it.

College Students with Disabilities Essay -- ADD ADHD Writing Attention

College Students with Disabilities As societal pressures for higher education increase, more emphasis has been placed on the importance of a minimum of a bachelor's degree from an accredited college or university. This has led to the increased enrollment of students with learning disabilities over the past decade. According to a recent survey from the National Clearinghouse on Postsecondary Education for Individuals with Disabilities, one in eleven full-time first-year students entering college in 1998 self-reported a disability. This translates to approximately 154,520 college students, or about 9% of the total number of first-year freshmen, who reported a wide range of disabilities, ranging from attention deficit disorder to writing disabilities (Horn). Attention deficit disorder, with or without hyperactivity, is frequently misunderstood, but it affects college students' academic and social success, as well as their emotional development. Attention deficit disorders are the second most common disability among college students, and it is classified as a psychiatric disorder, rather than a learning disability, in the fourth edition of the Diagnostic and Statistical Manual of the American Psychiatric Association, DSM-IV. Characterized by attention difficulties, specifically short attention spans, as well as impulsivity, distractibility, and restlessness, attention deficit disorders can adversely affect the performance capabilities of college students. Individuals report "drifting" during classroom lectures or social conversations, as well as difficulties focusing in noisy environments. The Connection Between Learning Disabilities and Attention Deficit Disorders The onset of attention deficit disorder usually occur b... ...A Comprehensive Guide to Attention Deficit Disorder in Adults: Research,Diagnosis, and Treatment.New York: Brunner and Mazel Press, 1995. Sills, Caryl K. "Success for learning disabled writers across the curriculum." College Teaching 43 (Spring 95): 66-72. Smith, Carl B. "Helping Children Overcome Reading Difficulties." ERIC Digest, 1992. ED 344190. Stage, Frances K. et al. "Creating Learning Centered Classrooms: What Does Learning Theory Have to Say?" ERIC Digest, 1998. ED422777. Stein, Marcy and Robert C. Dixon. "Effective writing instruction for diverse learners." School Psychology Review 23 (1994): 392-406. Vogel, S. A. and M. Moran. "Written language disorders in learning disabled college students - a preliminary report." In Coming of Age: The Best of ACLD - 1982. Eds. W. Cruickshank and J. Lerner. Syracuse: Syracuse University Press, 1982.

Analysis of Literary Devices of Jane Eyre

Analysis of the Theme of Jane Eyre and its Literary Devices Jane Eyre is an outstanding and meaningful novel which was written by Charlotte Bronte who didn’t have a fascinating appearance, a perfect figure and a glorious family and who had the similar fate with the heroine of the novel. The essay is focused on the first chapter, life at Gateshead, in which it tells us the little Jane Eyre’s miserable and menial life at Gateshead and that her cousins and Mrs. Reed treat her badly. In this chapter, the author intends to show us Jane Eyre’s resistance toward their torture and scolds. In order to demonstrate the motif, the author uses some gothic characters and depicts evil images of persons who bully Jane Eyre. Firstly, many gothic elements are adopted in this chapter in order to set the fundamental tone and manifest what a cruel and miserable life little Jane Eyre leads. It uses many delicate and horrified words to depict the weather, the season and some other things concerning the environment. Not only does it makes us feel that it’s really bad weather, but also we can feel Jane’s emotions and feelings at that time, upset, hopeless and so on, which will incite her resistant power. Secondly, Bronte is an expert in depicting characters’ images. We can find many vivid figures in front of us via reading the chapter. Take Jane’s cousin, John, as an example. From the novel, we can see that John’s mother spoils and dotes on him and she satisfies his demands no matter how ridiculous they are. Because of those, he shapes a naughty, arrogant and capricious personality. Jane is a poor girl whose parents are dead, so she has to live with her aunt. John always teases and bullies her, for she is a fragile and obedient stranger in his eyes. And what is much worse is that his mother always gives a cold shoulder to little Jane. As time goes by, John’s maleficences become more and more violent. One day, little Jane can’t stand it and she resists. She says: â€Å" you are like a murderer, you are like a slave-driver, you are like the Roman emperors. † It uses metaphor and parallelism to depict a vivid figure of John in front us. Figures of speech made the image brighter and clearer. Third, the setting of the chapter is dark, miserable and depressive. At the beginning of the chapter, a cold, dark and rainy evening was presented in front of us, which give readers a depressive impression. The description sets the basic tone of the chapter and implicates the terrible environment in which little Jane live. In this chapter, the author intends to present Jane’s resistance to life to readers. Its dark, cold and miserable setting implicates Jane’s poor living condition and her fragile emotion, which hide the foreshadowing of her resistance. Also gothic elements employed in the chapter deepen the theme. And depictions of each character promote the development of the theme.

Utilitarianism, By Jeremy Bentham And John Stuart Mill

Utilitarianism is an ethical theory that claims one is morally right when an action serves the ultimate interest of bringing about the most overall happiness. Any action that produces less happiness than an available alternative is not morally just. In fact, any action that produces pain, as opposed to pleasure, is considered unjust. Whether an action is right or wrong is independent of the intentions of the person committing the action. An act is right in virtue of its actual results, not its expected results. A Utilitarian’s goal is to make decisions that result in the most overall happiness, while reducing the elements of pain and dissatisfaction as much as possible. Perhaps the two most famous supporters of Utilitarianism are English philosophers Jeremy Bentham and John Stuart Mill. These two men were social reformers in the 1800’s and are responsible for modern day Utilitarianism as we know it. Mill and Bentham also spoke up about issues of their own interest. Mill spoke out as a strong supporter of meritocracy, a political view that claims power should be vested with individuals, not the government. Bentham spoke about wanting to correct the mistreatment of animals. Utilitarian’s strongly supported the suffrage movement for women and the abolition of slavery. These concerns represent the view of Utilitarianism that everybody’s happiness is equal. Utilitarianism has one big moral principle and two major categories. Happiness is the only intrinsically valuable elementShow MoreRelatedUtilitarianism By Jeremy Bentham And John Stuart Mill1992 Words   |  8 PagesUtilitarianism is an ethical theory originating from the late 18th and 19th century British Philosophers and economists: Jeremy Bentham and John Stuart Mill. The Utilitarian theory focuses solely on the consequences an action has on the happiness of those affected by the action. 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Jeremy Bentham and John Stuart Mill, acknowledged the good with pleasure. Both of the philosophers believed we ought to make the most of the good, everyones happiness is the same no matter what type of happiness it is. When one fulfills their good, it doesn’t mean one’s individual good doesn’t count more when compared to someone else’s good. Jeremy