Countering the Anti-Israel Apartheid and the BDS Messages Essay

The Bridge Between the World and Cognition Essay Example

The Bridge Between the World and Cognition Essay Presentation Language speaks to people encounters and various fields hold various methods of language utilizing. The language of science effectively builds logical reality, I. E. A perspective on world, the jobs doled out to perusers and the method of arranging Information (LINKING-attack). Be that as it may, science might be introduced differently as indicated by the distinctive target group, purposes and modes. Three writings picked in this paper are totally worried about the equivalent logical reality, yet their language contrasts broadly. The manners by which science are introduced in this three writings argyle relies upon their crowd, purposes and modes. To put it another way, language of science in the picked writings changes with changes in crowd, reason and mode. The focal point of the current paper Is on how the language of science changes with various crowd, purposes and modes from the viewpoints of classification, specialized language, lexical thickness, ostensible gatherings and attack, data association, author peruser relationship and the utilization of visuals. The principal area of this paper is a short presentation of the foundation and reason. Section two, the most significant one, widely centers around the itemized investigation of language changes of science. At that point the finishing up segment summarizes the fundamental thoughts. 2. Examination and remark 2. 1 Genre Swales (1990) shows that types are a class of open occasions connected by some arrangement of informative purposes shared by individuals from a specific network; these reasons for existing are the method of reasoning of the class and help to shape the manners in which it is sorted out and the decisions of substance and style It makes (LINKING-Genre). We will compose a custom article test on The Bridge Between the World and Cognition explicitly for you for just $16.38 $13.9/page Request now We will compose a custom paper test on The Bridge Between the World and Cognition explicitly for you FOR ONLY $16.38 $13.9/page Recruit Writer We will compose a custom article test on The Bridge Between the World and Cognition explicitly for you FOR ONLY $16.38 $13.9/page Recruit Writer It very well may be seen that the informative reason for a sort Is acknowledged by exceptionally composed move ceasefire, which In turn Is accomplished by explanatory systems. Content 1, taken from New Scientist, is an extremely famous worldwide science magazine targeting detailing the most recent logical advancement to people in general. As a non-peer-investigated magazine, the fundamental perusers of which are non-researchers. To accomplish its open purposes, this content moves from the European tracker gatherer was a blue-peered toward kid? to by-line (source and the author), at that point to presentation (topic of the entire content), and in conclusion comes the principle body. In the body part, the fundamental thought of An antiquated tracker accumulate has a genome like current unmans is extended by giving more subtleties two subheadings: Farming qualities and Healthy genomes. Whats more, representations and clarifications are made full use to delineate this logical finding. With everything taken into account, the extent that the class is the-minute news from BBC site. BBC News gives the politically unprejudiced news to individuals around the globe, along these lines the intended interest group are the open who are keen on the world news or learning English. This content is sorted out by heading, by-line, and two subheadings. Concerning the substance and style, it rehashes the logical investigation with target information and specialists words. Every one of these highlights go to the field of academic science. Content 3 is an article distributed in the Journal Nature, an exceptionally regarded logical Journal in that all the articles are peer-surveyed and keep up high research measures. In like manner, the essential perusers for this Journal are inquire about researchers. This content is any longer and complex with loads of information, stories and figures, which give traces of expert science. To introduce the procedure of research, this content follows the conventional structure of an exploration article: presentation, strategies, celebrates and conversation (LINKING-Genre). 2. 2 Technical language Technical language is a normal quality of logical articles. Approaches to make specialized language incorporate scientific categorizations, definitions, creations, naming, etc (LINKING-attack). By utilizing the specialized language, data can be significantly compacted and rebuilt. Because of the logical idea of the three messages, any of them embrace the aptitude of specialized language, yet in various degrees. The objective perusers of Text 1 are the well known crowd and it just reports the aftereffects of the exploration instead of doing tests. In this way, it utilizes less specialized language. All through the entire content, it very well may be discovered just a single specialized language utilized for definition in passage 5: For example, lactose resilience the capacity to drink milk as a grown-up most likely developed when cultivating spread. Content 2, purposed to show science, uses no ordinary methods for making specialized language that referenced above, however it has numerous appropriate names. For instance, La Bran 1 and 2 in section 6, UP radiation and nutrient D in passage 11 and lactose-narrow minded and starch in passage 14. Content 3, the expert one, claims the most specialized language to guarantee its objectivity, realness and legitimacy. At the primary look of this content, the specialized language with the method of sythesis can be found: Next-age sequencing (INS) advances are reformed the field of antiquated (DNA), and have empowered the sequencing of complete old genomes, for example, that of  ¶ditz, a Neolithic human body found in the Alps. Whats increasingly, taking section 5 (a short one) for instance, there are by and large five legitimate names, in particular, LA Bran genome, allele, lactose bigotry, salivary amylase and starch. 2. Lexical thickness Vocabulary is a fundamental element of language and lexical thickness is firmly identified with the decision of jargon. Lexical thickness is a proportion of the thickness of data in any entry of content and it is controlled by ascertaining the proportion between the quantity of statements in a book and the quantity of substance words in a proviso (LINKING-attack). The high lexical thickness of a book gives a feeling of being progressively formal, composed and scholarly, while it is felt increasingly spoken and As for the three messages in this paper, they are well known, educational and proficient science separately. Lexical thickness, accordingly, must be totally different from each other. The titles of every content present their lexical thickness. After the lexical things in each feature being underlined, the three titles are introduced as Ancient European tracker gatherer was a blue-peered toward kid, Hunter-gatherer European had blue eyes and brown complexion and Derived safe and familial pigmentation alleles in a 7 000-year-old Megalithic European. The title of content 3 has the most substance words followed by the title of content 2 and that of content 1 has the least. When taking a gander at he three messages, the component of lexical thickness become more clear, that is, the lexical thickness is expanding structure content 1, to content 2, at that point to content. 2. 4 Nominal gatherings and standardization Both ostensible gatherings and standardization can make it work out as expected that short space contain more data. An ostensible gathering comprises of a head thing and different components set when it which adjust its significance; while attack is the procedure by which occasions, characteristics and connections come to be spoken to as things and things (LINKING-attack). Here the primary sentence of every content is hoses to outline the ostensible gatherings and standardization in well known science, educational science and expert science. Content 1: An old tracker gatherer whose remaining parts were found in a Spanish cavern has a genome shockingly like present day people. Content 2: Genetic tests uncover that a tracker gatherer who lived 7,000 years back had the irregular mix of brown complexion and hair and blue eyes. Content 3: Ancient genomic successions have begun to uncover the source and the segment effect of ranchers from the Neolithic time frame spreading into Europe. The above models show that the ostensible gatherings (underlined parts) in content 3 is outrage than those in content 2, which thus are longer than in content 1. As the ostensible gatherings get longer, more data is pressed into the sentence. Tracker gatherer in the first and second sentence and arrangement in the third sentence are instances of standardization. 2. 5 Information association Based on the diverse crowd and open purposes, data association in well known science contrasts generally from proficient science. Well known science scholars center around the thing being concentrated as opposed to the strategies utilized and they don't expect high level of basic information; oppositely, proficient researchers center around the techniques by which information was broke down and accept that peruser and essayist share specific information (LINKING-Organizing data). To the extent types of the three writings are thought of, data given in them is unique, which decides the various methods of data association. Toward the start of content 1, the principle thought/large scale topic is given, which followed by genome shockingly like present day people. Lexical chains like however and for example are used to improve its union. Same with the content 1, content 2 beginnings with the large scale subject and afterward gives a few delineations. Semantic relations are made by a lot of firm gadgets, for example, conjunctions (and/as), reference (they/it) and lexical attachment (hereditary/quality/genome). Content 3, as the expert science, keeps the conventional data association of an examination article. Right off the bat, it shows us the full scale topic, and afterward gives the nitty gritty procedure of information assortment and investigation with hyper-subjects. With progressively ostensible gatherings, standardization, specialized language and lexical chains, content 3 has an increasingly firm contention. Accept the primary passage for instance: Next-age sequencing (NAGS) advances ar

Fair Is Foul and Foul Is Fair Essay Sample

Fair Is Foul and Foul Is Fair Essay Sample Fair Is Foul and Foul Is Fair Essay Theme The theme of ‘Fair is foul and foul is fair’ in Macbeth is one of the most important themes that is prevalent throughout the play. This expression reminds the audience that they have to look for inner details to interpret the motives of actions and the thoughts of the characters. For the first time these words are uttered by witches in the twelfth line of Act I, Scene I. The witches chant this phrase as: ‘Fair is foul and fouls is fair: Hover through the fog and filthy air’ (Macbeth Act I- Scene I, 12-13) before they disappear and it becomes a prophecy. This phrase continues to appear throughout the play together with themes of deception and evil doing. The Shakespeare conveys the theme to make the audience understand that what used to be good may become bad, and what seems to be bad may become good. Meaning ‘Fair is foul and foul is fair‘ meaning is completely clear from the very beginning of the play. It actually means that you cannot judge someone by appearance and that events, things, and people differ from what they seem to be. Besides, these words also suggest the idea that there is always difference between the way something looks and the reality so the real world is a place where you cannot feel safe and trust anyone. The best example of this theme is Macbeth himself. At first, King Duncan believes that Macbeth is a loyal servant but eventually Macbeth betrays and murders him to steal his throne. Literary analysis We hear this expression in the opening scene when witches want to trap Macbeth by predicting his future in a wrong way in order to cause a confusion, uncertainty or disorder. Later, Macbeth uses this phrase. He says: ‘So fair and foul a day I have not seen.’ He wins the war so he thinks that the day is really fair but at the same time the day is foul because he lost many friends and the weather is bad and stormy. As the play goes on, the phrase is repeated in different situations in various meanings. For witches who are ugly creatures, this expression means that what is commonly beautiful for a man is ugly for them, and what is commonly ugly to a man is beautiful to them. Throughout the play, beautiful, fair appearances hide ugly foul realities. These words characterize Macbeth too because he starts to do everything that he previously considered to be bad and foul. This theme refers to different characters in the play, but mainly it refers to Macbeth when he asks whether the prophecies of witches for his future are foul or fair (line 130 of Act I, Scene III). When Lady Macbeth first appears, she is presented as a foul and evil character who will do everything to get what she wants no matter whatever it takes. But after murdering Duncan and becoming a queen, she is driven mad by it. Lady Macbeth cannot live with the guilt. Speaking about her, we have to admit that what was once foul, eventually becomes fair. Literary devices The phrase ‘Fair is foul and foul is fair’ contains such literary devices: Symbolism: The ugly witches are symbols of foul but their advice is fair and Macbeth looks like a hero but in reality, he is a villain and murderer. Paradox: The phrase means that prophecies of witches would make him great but eventually, they would destroy him instead. Consonance: The playwright uses consonance ‘f’: fair, foul, foul, fair. Shakespeare develops the motif ‘fair is foul and foul is fair’, using the collective effects of the plot, characters, and imagery.

The Court and Sir Thomas Wyatt - 1386 Words

The Court and Sir Thomas Wyatt During the 16th Century, English poetry was dominated and institutionalised by the Court. Because it excited an intensity that indicates a rare concentration of power and cultural dominance, the Court was primarily responsible for the popularity of the poets who emerged from it. Sir Thomas Wyatt, one of a multitude of the so-called Court poets of this time period, not only changed the way his society saw poetry through his adaptations of the Petrarchan Sonnet, but also obscurely attempted to recreate the culture norm through his influence. Though much of his poems are merely translations of Petrarchs, these, in addition to his other poetry, are satirical by at least a cultural approach.†¦show more content†¦Complaint poems were often aimed in the sixteenth century at correcting the problem of which the poems speaker complains; in some of these poems the complaint merges with satire to urge correction of mans foolish and vicious behaviour. Wyatts complaint poems show an attempt to change the laws of Courtly love and to employ the Renaissance philosophy of old freedoms regained, thereby classifying them as satirical. In addition to criticising Courtly love, Wyatt mocks the relationship of Henry VIII and Anne Boleyn in his sonnet Whoso Lists to hunt. In the poem, Wyatt compares the fantasy of courtly love with hunters chasing after a hind. The hunters symbolise the courtiers while Anne Boleyn is the hunted hind. The poem contains the bloody imagery that can be associated with a hunt; the speaker does not Draw from the deer his wearied mind. This imagery accompanied with the inscription on the collar around the deers neck, for Caesars I am, shows the disintegration of the institution of the Court. Henry VIII, who was well known for hisShow MoreRelatedA Brief Look at Sir Thomas Wyatt Essay877 Words   |  4 Pagesreach them. This explains a part of Sir Thomas Wyatt’s life. He attended St. Johns College, University of Cambridge. Wyatt also carried out several foreign missions. He also served various offices at home. Wyatt also had many court appearances in his life. He was also famous for his poem â€Å"Whose List to Hunt.† Being the son of Henry and Anne Wyatt, Sir Thomas Wyatt was born at Allington Castle in Kent in 1503. At the age of 17 he named the daughter of Lord Cabham. Wyatt attended St. John’s College, UniversityRead MoreThe Poetry of Sir Thomas Wyatt507 Words   |  3 PagesSir Thomas Wyatt was born in the year 1503. The son of Sir Henry Wyatt and Anne Skinner, he went on to attend St. John’s College in Cambridge. He first took a place in the court of King Henry VIII in 1516. In the year 1520 he was married to Elizabeth Brooke at the age of seventeen. His son, of the same name, was born in the year 1521. Wyatt’s marriage to Elizabeth was miserable and the couple is believed to have been â€Å"estranged by the second half of the 1520s† (Burrow). Thomas Wyatt and ElizabethRead MoreAnalysis of Petrachs Poetry: a Translation of Italian Poem Rime 1401561 Words   |  7 Pagesliterary work however can be interpreted in a variety of ways. Petrarch whose poetry was about the idealistic approach to love, caused for several Renaissance writers to revisit them and translate them to represent different meanings. Basically, Sir Thomas Wyatt in his poem The Long Love That in My Thought Doth Harbour and Henry Howard, Earl of Surrey in his poem Love That Doth Reign and Live Within My Thought, both explored the varying view of the original poem created by Petrarch. Their views onRead More Comparing The Long Love That in My Thought Doth Harbor and The Flea891 Words   |  4 Pagesmore about the court than the lover.nbsp; In the next century (the seventeenth), the poems of love were more about courting the lover.nbsp; An author from the sixteenth century, Sir Thomas Wyatt the Elder, is well known for his lyrics pertaining to love.nbsp; An author from the seventeenth century is John Donne, who is most famous for his love-poetry.nbsp; When comparing these two authors, the theme of love is very apparently different.nbsp; Sir Thomas Wyatt the Elder’s loveRead MoreCompare Contrast on Poems.962 Words   |  4 Pagesâ€Å"Whoso List to Hunt† by Sir Thomas Wyatt and â€Å"Sonnet 67† by Edmund Spenser are sonnets that are very similar at a first glance, but delving deeper, a difference can be found. Both of these sonnets use imagery and figures of speech relating to the hunt of an unobtainable woman as well as that central theme. Through a deeper analysis it is revealed that these two authors have a different interpretation of this failed hunt. A comparison and contrast of â€Å"Whoso List to Hunt† and â€Å"Sonnet 67† reveals thatRead MoreElizabethan Poetry941 Words   |  4 PagesGeorge Puttenham’s The Arte of English Poesie (1589) and Sir Philip Sidney’s The Defense of Poesie (1595): early attempts to think about English poetry as a distinct national tradition. Puttenham and Sidney were concerned to build a canon and help shape English poetry into a tradition capable of rivalling more prestigious literatures (for example of Italy and France). The courtly lyric/ Petrarchan love sonnet introduced to English by Sir Thomas Wyatt and Henry Howard, Earl of Surrey: not the only poeticRead MoreSir Thomas Wyatt s Defence935 Words   |  4 PagesSir Thomas Wyatt’s defence covered two major areas; the possible insulting of the king and conspiring with Catholics in a newly decided protestant country. His 1541 defence guards his actions on both parts, however due to the lack of historical evidence it is impossible to know if this defence was ever used, even if we do know he somehow did manage to get himself off the charges. Nevertheless, it offers great insight to the mind and feelings of an otherwise elusive and ambiguous historical figureRead MoreAlbert Of Austria, Queen Claude Of France And France1272 Words   |  6 Pagesoffered dangerous results for a project round onto another year. With his prize in sight, and Catherine stuck away in another manor, on January 25th, 1533, the couple wed. Although the King s first marriage remain intact, Henry’s wording in the court proceedings assumed the union never truly existed, therefore there existed nothing to impede his proper marriage. On May 23rd, the Archbishop officially proclaimed Catherine’s marriage invalid and Anne’s valid. Anne again appears in the Hall’s ChronicleRead MoreRenaissance: Impact on English Literature1723 Words   |  7 Pagespoetry awoke as from a long sleep at the court of Henry VIII. The English poetry was kindled into new life by contact with the Italian Renaissance. There appeared a group of courtier-poets who, under the influence of Renaissance individualism, inaugurated a new fashion of writing poems of personal kind (for the great characteristic of medieval poetry was its impersonal character) dealing particularly with love. The two members of this group-Sir Thom as Wyatt and the Earl of Surrey were the chieftainsRead MoreSir Philip Sidney’s defence essay, â€Å"An apology for poetry,† refers to poetry â€Å"as an art of1900 Words   |  8 PagesSir Philip Sidney’s defence essay, â€Å"An apology for poetry,† refers to poetry â€Å"as an art of imitation [†¦] [that] speaks metaphorically† (Ferguson, Salter Stallworthy, 2005: 331). Sidney’s essay epitomises the pivitol importance and art of creating poetry. From the 1500’s to the 1660’s, England found itself a process of complete rebirth of all its important facets. Transformation in its social and cultural, as well as philosophical and religious approaches was evident. This transformational process

Urban Space For The Latin Americans Immigrants Essay

The United States of America immigration policies exercised several measures in an effort to confine urban space for the Latin Americans immigrants in Atlanta. These efforts include restriction to access social space by the federal immigration officials, which limited their ability to build and sustain social and community life. The Department of Homeland Security effectively expelled undocumented immigrants from obtaining driving licenses, this made it hard for them to travel to job places, health centers as well as when taking their children to and from school. Several ordinances were passed that banned laborers from gathering in street corners and Roswell City Council closed the day labor centre in Gwinnett County. The first effort to restrict urban space for the Latin immigrants was by restricting the undocumented immigrants from accessing social space. Federal immigration officials conducted intermittent raids in their workplaces, residential areas and other gathering places. A dditionally, the undocumented immigrants were rounded up and deported to their home country and the Latino immigrants’ access to higher education, employment opportunities and transportation services was also restrained. Furthermore, the effort to restrict urban space was conducted by the Department of Homeland Security when they effectively expelled unlawful immigrants from obtaining driving licenses. Georgia like many states in the United States of America prohibited unauthorized immigrantsShow MoreRelatedAn Influx Of New Immigrants914 Words   |  4 Pagesof new immigrants came to America. A majority of these new immigrants came from southern and eastern Europe, as opposed to the northwestern Europeans who came in abundance before them. Between 1820 and 1920, less immigrants with northwestern European origins were coming to America and an increase of immigrants from southeastern Europe, countries in North America, Asia, and Latin America. The new immigrants from Ireland a nd Scandinavia were different from the previous groups of immigrants. They wereRead MoreUrban Change At Rio De Janeiro1141 Words   |  5 PagesUrban Change is when an area becomes more urban, the population increases and it becomes more developed in technology, structure and transportation. For example, more buildings, technology and . Urban change has affected many countries especially Rio de Janeiro. Rio de Janeiro is one of the world s megacities with a population over 18 million and because it’s a megacity it is a large attraction to many people that look to live in a big city. This is causing expansion on a huge scale on the cityRead MoreAmerica Is The Melting Pot Of The World848 Words   |  4 Pagesand calendar. The way Americans communicate today is all thanks to the Romans. Our alphabet comes from the Roman alphabet. We have change some things in the alphabet of course like there is no â€Å"J† in the Roman alphabet, but there is in the American alphabet. A lot of our language comes from Rome and Greece. The founding fathers could read both Latin and Greek and knew Greek and Roman literature and history fairly well. John Adams read Cicero, Tacitus, and many others in Latin. He also read Plato andRead MoreUrbanization in South America3311 Words   |  14 PagesUrbanization in Latin America Work done by: Contents I. Introduction 3 II. Urbanization Process 4 III. Internal Migration and Urbanization 8 IV. Urban Systems 10 V. Conclusion 13 VI. Bibliography 14 I. 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It is important to mention that the Brazilian case will be explored here as an example to access the strengths, weaknesses and implications of securitization from an urban and militarized-context perspective. Although drug dealing is a transnational crime and the use of the military logic to combat urban violence is a regional and global phenomenon, in order to not empower generalizations, this thesis will focus specifically in Rio de Janeiro. * In the first chapter, the purpose isRead More100 Essay Topics1545 Words   |  7 Pageswhat extent should the government control advertising 10. Ads for tobacco and alcohol Minorities 11. Should colleges have admissions quotas 12. How has the Afro-American youth changed in recent years 13. Racism in the courtroom / in prisons 14. The verdict of Scott Peterson / Martha Stewart / Michael Jackson 15. The impact of Latin Americans as the largest minority in the US Americana 16. 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Sodium Thiosulfate Reaction Free Essays

eLearning 2009 Publication No. 91860 Rate of Reaction of Sodium Thiosulfate and Hydrochloric Acid Rate Laws Introduction The purpose of this demonstration is to investigate the effect of sodium thiosulfate concentration on the rate of reaction of sodium thiosulfate with hydrochloric acid. The reaction, which produces solid sulfur, will be followed by measuring the time needed for the reaction mixture to become opaque. We will write a custom essay sample on Sodium Thiosulfate Reaction or any similar topic only for you Order Now The results will be analyzed graphically to determine the order of reaction— the mathematical relationship between the reactant concentration and the rate. Concepts †¢ Kinetics †¢ Order of reaction †¢ Rate law †¢ Concentration Materials Hydrochloric acid solution, HCl, 2 M, 25 mL Sodium thiosulfate solution, Na2S2O3, 0. 15 M, 150 mL Distilled or deionized water Beakers, 100-mL, 5 Graduated cylinders, 50- or 100-mL, 2 Graduated cylinders, 10-mL, 5 Overhead projector or light box Permanent marker Stirring rods Stopwatch or timer Safety Precautions Hydrochloric acid solution is corrosive to eyes and skin. It is moderately toxic by ingestion and inhalation. Sodium thiosulfate solution is a body tissue irritant. The reaction of sodium thiosulfate and hydrochloric acid generates sulfur dioxide gas, which is a skin and eye irritant. Perform this demonstration in a well-ventilated lab only. Avoid contact of all chemicals with eyes and skin. Wear chemical splash goggles, temperature-resistant gloves, and chemical-resistant apron. Please review current Material Safety Data Sheets for additional safety, handling, and disposal information. Procedure 1. Label five 100-mL beakers 1–5 and clean the bottom of each beaker. 2. Draw a large â€Å"X† across the bottom on the outside of each beaker. Place the beakers on an overhead projector stage or a light box so that students can view the â€Å"X. † 3. Using separate graduated cylinders for the solution and water, measure and add the required amounts of 0. 15 M sodium thiosulfate and distilled water to each beaker. Be as precise as possible. Beaker 0. 15 M Na2S2O3 Distilled Water 1 50. 0 mL 0 mL 2 40. 0 mL 10. 0 mL 3 30. 0 mL 20. 0 mL 4 20. 0 mL 30. 0 mL 5 10. 0 mL 40. 0 mL 4. Have students calculate the final concentration of sodium thiosulfate in each beaker 1–5. 91860 011509 Flinn Scientific—Teaching Chemistry eLearning Video Series 5. Record the following information in a data table: Beaker, volume of Na2S2O3 solution, volume of distilled water, concentration of Na2S2O3, reaction time (sec), and 1/reaction time (reaction rate). See the Sample Data and Results table in the Discussion section. 6. Measure 5. 0 mL of 2 M hydrochloric acid into each of five 10-mL graduated cylinders. 7. Starting with beaker #1, carefully add the HCl all in one pour to the sodium thiosulfate solution. Stir the solution once with a stirring rod and immediately start timing. 8. Stop timing when the black â€Å"X† is no longer visible. Record the reaction time in seconds in the data table. . Repeat steps 7 and 8 with beakers 2–5. 10. Calculate 1/reaction time for each trial. Plot concentration vs. time and concentration vs. 1/time on separate graphs. Disposal Please consult your current Flinn Scientific Catalog/Reference Manual for general guidelines and specific procedures governing the disposal of laboratory waste. Collect the leftover reaction mixtures and filter to separate the solid sulfur product. The sulfur may be disposed of in a landfill according to Flinn Suggested Disposal Method #26a. The filtrate may be neutralized and disposed of down the drain with excess water according to Flinn Suggested Disposal Method #26b. Tips †¢ This activity may be performed as a chemical demonstration with classroom participation or as a student activity. The contents of the beakers project well on an overhead projector and the time to the disappearance of the black â€Å"X† is easily seen and measured. †¢ The reaction may be downsized for a student lab activity. Carry out individual trials in separate wells in a 6-well reaction plate or in small medicine cups. If students will be doing the experiment in the lab, it is a good idea for them to start with beaker #5, because it takes the longest time. The activity may also be performed as a cooperative class exercise with different groups investigating different variables, including the effect of HCl concentration and the effect of temperature. The reaction rate is zero-order with respect to HCl. †¢ Empty the beakers and clean them thoroughly using paper towels to remove the sulfur. If the colloidal sulfur is allowed to sit in the beakers for an extended time, it will be much more difficult to remove the deposits from the glass. †¢ To achieve better mixing of the reactants, add the hydrochloric acid using a 10-mL luer-lock plastic syringe (without needle). Squirt the acid using a fair amount of force. †¢ When lower concentrations of sodium thiosulfate are used, the rate law does not appear to be as simple as predicted in this experiment. At lower concentrations, the reaction appears to be closer to 3/2-order in sodium thiosulfate and 1/2-order in hydrochloric acid. The reaction time is more difficult to measure at lower concentrations because the onset of turbidity is more gradual. †¢ Both the overall chemical equation and the mechanism for the decomposition of sodium thiosulfate are more complex than suggested by Equation 1. The reaction is acid-catalyzed, which means that the acid concentration must have some bearing on the rate in terms of producing an equilibrium concentration of HS2O3– ions, The HS2O3– ion is a reactive intermediate, reacting further with additional S2O32– ions to produce polymeric ions containing multiple S atoms. When the chain of S atoms in a polymeric ion becomes long enough, it â€Å"closes† in on itself to form a ring of elemental sulfur (S8). – — S2O32– + H+ — HS2O3 —— – H—S—SO3– + nS2O32– H—S—(S)n—SO3 + nSO32– – — – – H—S—Sn—SO3 — H+ + S—Sn—SO3 —— – S—S7—SO3 S8 + SO32– –2–  © 2009 Flinn Scientific, Inc. All Rights Reserved. 91860 Discussion Sodium thiosulfate reacts with hydrochloric acid to form sulfur and sulfur dioxide (Equation 1). Na2S2O3(aq) + 2HCl(aq) S(s) + SO2(g) + 2NaCl(aq) Equation 1 The kinetics of the reaction can be analyzed by graphing the concentration of Na2S2O3 as a function of both reaction time and 1/time. A plot of concentration versus time gives a curved line, which levels off as it approaches the x-axis—the reaction slows down as the reactant concentration decreases. The rate of a reaction is inversely proportional to reaction time. A plot of concentration of versus 1/time gives a straight line. The rate is directly proportional to concentration, and the reaction appears to be first order with respect to sodium thiosulfate concentration. Sample Data and Results Beaker 1 2 3 4 5 Volume of Na2S2O3 (mL) 50 40 30 20 10 Volume of H2O (mL) 0 10 20 30 40 [Na2S2O3], M 0. 15 0. 12 0. 090 0. 060 0. 030 Reaction time (sec) 22. 5 27. 3 35. 1 60. 0 159. 1 Reaction rate (1/time, sec–1) . 0444 . 0367 . 0285 . 0167 . 00629 180 160 140 120 100 80 60 40 20 0 0. 00 Effect of concentration on reaction time 0. 05 0. 10 0. 15 0. 20 Na 2 S2 O3 Concentration, M 0. 07 0. 6 0. 05 0. 04 0. 03 0. 02 0. 01 0 0. 00 Effect of concentration on reaction rate 0. 05 Na 2 S2 O3 Concentration, M 0. 10 0. 15 0. 20 –3–  © 2009 Flinn Scientific, Inc. All Rights Reserved. 91860 Connecting to the National Standards This laboratory activity relates to the following National Science Education Standards (1996): Unifying Concepts and Processes: Grades K–12 Evidence, models, and explanation Constancy, change, and measurement Content Standards: Grades 9–12 Content Standard A: Science as Inquiry Content Standard B: Physical Science, structure and properties of matter, chemical reactions, motions and forces Flinn Scientific—Teaching Chemistryâ„ ¢ eLearning Video Series A video of the Rate of Reaction of Sodium Thiosulfate and Hydrochloric Acid activity, presented by Annis Hapkiewicz, is available in Rate Laws, part of the Flinn Scientific—Teaching Chemistry eLearning Video Series. Materials for Rate of Reaction of Sodium Thiosulfate and Hydrochloric Acid are available from Flinn Scientific, Inc. Materials required to perform this activity are available in the Reaction Order and Rate Laws—Student Laboratory Kit available from Flinn Scientific. Materials may also be purchased separately. Catalog No. Description AP4864 H0034 S0114 AP1572 GP1010 GP2005 GP2015 Reaction Order and Rate Laws—Student Laboratory Kit Hydrochloric Acid, 3 M, 500 mL Sodium Thiosulfate Pentahydrate, Reagent, 500 g Timer, Stopwatch, Flinn Beaker, Borosilicate Glass, 100 mL Graduated Cylinder, Borosilicate Glass, 10-mL Graduated Cylinder, Borosilicate Glass, 50-mL Consult your Flinn Scientific Catalog/Reference Manual for current prices. –4–  © 2009 Flinn Scientific, Inc. All Rights Reserved. 91860 How to cite Sodium Thiosulfate Reaction, Essay examples

Symbolic Perspectives of the Elephant in the Room Essay Example

Symbolic Perspectives of the Elephant in the Room Essay Ernest Hemingway wrote the short story â€Å"Hills Like White Elephants† in the early nineteen twenties.   The story itself is short with little to no action between the characters, introduced to the reader as the American and a woman named Jig, other than a bit of curious dialogue.   Hemingway, for his part, seems to have intended this story to have a deeper, allegoric and symbolic meaning for the reader.   With that said, a look will now be taken to dissect the sparse dialogue and determine the true allegory within the story by defining the literary and symbolic illusions.To begin with, this story can be read as viewing a moment in time, where a man and a woman are waiting at a train station to travel to Madrid, and, as the American and Jig sit down in the shade to wait, they have two beers.   Then, the Jig looks serenely off into the distance at the mountains, noting that â€Å"they look like white elephants† (Hemingway, 1).   The American responds that the words painted on the mountain read â€Å"Anis del Toro† which happens to be another drink, and curious, they order two.   This particular drink must have some meaning to Hemingway, as the characters in his 1926 novel The Sun Also Rises favor this liqueur as well.Hemingway’s use of Anis del Toro, in this instance, better defines the allegory in that this is his plot opportunity to show the age difference between the two characters and the innocence of Jig.   In her efforts to be sophisticated, she says that the drink â€Å"tastes like liquorice† (1) and that â€Å"everything tastes of liquorice.   Especially all the things you’ve waited so long for, like absinthe† (1).  Ã‚   He is impatient with her at this point, telling her to â€Å"cut it out†¦let’s try and have a fine time† (1) after she had explained that â€Å"I was being amused.   I was having a fine time† (1).In this simple bit of dialogue, Hemingway is a ctually telling the reader much more about his characters.   It can be inferred from these few lines that the relationship between Jig and the American is not a happy one.   Even in this simple time, waiting for the train and having a cool drink, he undermines her, telling her to have a fine time even after she admitted that she was having a fine time.   Either he didn’t hear her, or he is giving her an order to quit being her younger self and to grow up.   However, in attempting to define the flavor of the drink, Jig probably believed herself to be sophisticated, even cosmopolitan, in her reference to the absinthe—which is not a drink to be joked about.Then, to turn the conversation around she explains that â€Å"I said the mountains looked like white elephants. Wasn’t that bright? They don’t really look like white elephants. I just meant the coloring of their skin through the trees† (1) to which he responds that they should have another d rink.   This moment is the defining moment in Hemingway’s allegory as the simple symbol of a mountain looking like a white elephant draws a deeper parallel to a significant event happening in their lives—and event, it seems from the proceeding dialogue, that has been harming their relationship.   Jig is pregnant.But a reader doesn’t know that yet, from the dialogue alone, until it turns a bit more serious when the American calmly states that â€Å"it’s really an awfully simply operation, Jig†¦it’s not really an operation at all† (2).   The girl doesn’t respond and he fills the silence by saying that â€Å"I know you wouldn’t mind it, Jig.   It’s really not anything.   It’s just to let the air in† (2).   She wants to know what they’ll do afterwards and he responds that they’ll be happy because â€Å"that’s the only thing that bothers us. It’s the only thing thatà ¢â‚¬â„¢s made us unhappy† (2).The American wavers a bit, possibly employing reverse psychology to get Jig around to his way of thinking when he says that â€Å"if you don’t want to you don’t have to. I wouldn’t have you do it if you didn’t want to. But I know it’s perfectly simple† (2).   They go back and forth, with him saying he wouldn’t have her do it if he didn’t think she wanted to as well, to which she responds, almost in desperation, that â€Å"and if I do it you’ll be happy and things will be like they were and you’ll love me?† (2).   She finally concedes, saying that â€Å"I don’t care about me. And I’ll do it and then everything will be fine† (2).Then Jig stands (metaphorically and physically) and starts to see the world in a new light when she says that the world isn’t theirs anymore.   He must think she’s lost her mind because he orders her back int o the shade.   From there, the dialogue goes badly for the couple, ending with her declaration that if he says anything more about it, she’ll scream.   He takes their bags to the train, returning to find her smiling up at him.   When he questions her, she responds that â€Å"there’s nothing wrong with me. I feel fine† (3).Hemingway is truly a master of the subtle dialogue.   Without really saying anything at all, these two have had an entire conversation encompassing the dimensions of their relationship in less than ten lines.   The literal white elephants, the mountains, serve the greater purpose of the parallel to the baby that the couple is expecting and what that elephant might mean for each of them.   For the American, clearly, the baby would ruin their lives.   He has a need for freedom, maybe even a need to have no ties to Jig, despite his love for her—but in the end, a baby, for him, would be the end of things.For Jig, on the other h and, a baby represents something much more significant.   She clearly loves the American and is willing to do what he says at any cost, but her reluctance to have an abortion is clear, and she only concedes to it when she says that she doesn’t care about herself, and will do it to get back to where they were before.At this point, even the train station becomes a literal parallel to the couple’s lives.   They are heading for a different point in their relationship, one in which either she gets the abortion and they can live in freedom, or she keeps the baby and the American leaves her for greener pastures.   His motives for her abortion are clear, even though they are masked with concern for her feelings; the truth is that he desperately wants her to get rid of the baby.   If she ultimately does not, his motives aren’t clear, but his dialogue certainly suggests that he feels that having a baby would mean the end of their lives, and the beginning of more p roblems that he won’t have the effort to deal with.   Jig senses this, of course, but she has already lost her innocence and understands, without saying so, that their relationship, as it stands, is not a healthy one for her.In the end, a reader is left just as the couple is left, without a conclusion.   For Hemingway, this serves to highlight the uncertainty of their relationship, and demonstrates that the American might not have the sway over Jig that he once had.   A reader doesn’t know which way she’ll decide, but her actions in the end are those of decision, of sudden growth as a woman.   And in this moment, Hemingway’s allegorical meaning of the loss of innocence and Jig’s coming of age are defined by Jig’s quiet, yet unknown, decision.Overall, Ernest Hemingway’s â€Å"Hills Like White Elephants† is an allegorical tale defining a moment in Jig and the American’s relationship.   Everything from the drink, to the mountains, to the train station encompass parallels to the dimensions of the couple’s relationship.   And, with this dissection of the sparse dialogue, Hemingway’s symbolic illusions and allegory form their true meaning.