Centrifugal Pump Essay Sample free essay sample

A divergent siphon changes over the info capacity to motor vitality in the fluid by speed uping the fluid by a spinning gadget †an impeller. The most widely recognized sort is the looping siphon. Liquid enters the siphon through the oculus of the impeller which turns at high speed. The liquid is quickened radially outward from the siphon pursuing. A vacuity is made at the impellers oculus that constantly brings increasingly liquid into the siphon. The vitality made by the siphon is active vitality blending the Bernoulli Equation. The vitality moved to the fluid relates to the speed at the fringe or vane tip of the impeller. The quicker the impeller spins or the greater the impeller is. the higher will the speed of the fluid vitality moved to the fluid be. This is portrayed by the Affinity Laws. Weight and Head In the event that the release of a divergent siphon is pointed back to back high up the liquid will siphoned to a specific stature †or caput †canceled the shut caput. We will compose a custom article test on Radial Pump Essay Sample or on the other hand any comparable point explicitly for you Don't WasteYour Time Recruit WRITER Just 13.90/page This maximal caput is predominantly dictated by the outside breadth of the pump’s impeller and the speed of the pivoting shaft. The caput will adjust as the limit of the siphon is changed. The motor vitality of a fluid coming out of an impeller is hindered by making a resistance in the stream. The primary resistance is made by the siphon packaging which gets the fluid and backs it off. At the point when the fluid hinders the dynamic vitality is changed over to constrain vitality. †¢ it is the resistance to the pump’s stream that is perused on a power for each unit region gage joined to the release line A siphon does non make power per unit region. it just makes stream. The check power per unit territory is an estimating of the restriction to transition. In liquids the term caput is utilized to mensurate the dynamic vitality which a siphon makes. Head is an estimating of the stature of the fluid section the siphon could make from the dynamic vitality the siphon prov ides for the fluid. †¢ the main ground for using caput on the other hand of power per unit region to mensurate a divergent pump’s vitality is that the power per unit region from a siphon will modify if the particular attraction ( weight ) of the fluid changes. however, the caput will non The pump’s open introduction on any Newtonian liquid can ever be depicted by using the term caput. Various Types of Pump Head †¢ Total Static Head †Total caput when the siphon is non running †¢ Total Dynamic Head ( Entire System Head ) †Entire caput when the siphon is running †¢ Static Suction Head †Head on the pull side. with siphon away. on the off chance that the caput is higher than the siphon impeller †¢ Static Suction Lift †Head on the attractions side. with siphon away. in the event that the caput is lower than the siphon impeller †¢ Static Discharge Head †Head on release side of siphon with the siphon off †¢ Dynamic Suction Head/Lift †Head on attractions side of siphon with siphon on †¢ Dynamic Discharge Head †Head on release side of siphon with siphon on The caput is estimated in either pess or meters and can be changed over to normal units for power per unit territory as pounds per square inch or cantina. †¢ it is of import to comprehend that the siphon will siphon all liquids to a similar stature if the pole is turning at similar cycles every moment The solitary distinction between the liquids is the aggregate of intensity it takes to gain the pole to the correct cycles every moment. The higher the particular attractive energy of the liquid the more force is required. †¢ Centrifugal Pumps are â€Å"constant caput machines† Note that the last is non an unchanging power for every unit territory machine. since power per unit territory is a guide of caput and thickness. The caput is immutable. regardless of whether the thickness ( and henceforth power per unit zone ) changes. The caput of a siphon in metric units can be communicated in metric units as: H = ( p2 †p1 )/( ? g ) + v22/( 2 g ) ( 1 ) whereH = whole caput created ( m )p2 = power per unit territory at trade foundation ( N/m2 )p1 = power per unit zone at break ( N/m2 )? = thickness ( kg/m3 )g = increasing speed of attraction ( 9. 81 ) m/s2v2 = speed at the commercial foundation ( m/s )Head depicted in basic footings†¢ a pump’s opposite release â€Å"pressure-head† is the opposite lift in stature †ordinarily estimated in pess or m of H2O †at which a siphon can nolonger apply bounty power per unit territory to travel H2O. Now. the siphon might be said to hold arrived at its â€Å"shut-off† caput power per unit region. In the stream bend outline for a siphon the â€Å"shut-off head† is the point on the diagram where the stream rate is zero Siphon Efficiency Siphon productivity. ? ( % ) is a stage of the proficiency with which the siphon transportations utile work to the liquid. ? = Pout/Pin ( 2 )where? = effectiveness ( % )Pin = power inputPout = power final result

Tragedy at Lumba’s Bend Essay

Five men were slaughtered early at the beginning of today by a rashly detonated impact. Words flew quick in the town, and after a short time there was a group accumulated close to the area of the mishap. Notwithstanding, not one of them could come exceptionally approach in light of the fact that the stones and earth on the mountain side despite everything rolled occasionally. We know were working in the mines didn't yet have the foggiest idea about that there had been a mishap. We possibly came to know about it when we are having our wreckage. Conceivably it was either Demetrio’s group or Pito’s pack that had died, yet so far we were unable to be sure. After the wreckage we tumbled to work once more, yet a large number of the individuals who were by and by familiar with men of Demetrio’s or Pito’s group couldn't work well indeed. I myself was an extraordinary companion of Demetrio, and I was unable to get my considerations far from him. At the point when m y day of work came, I crept out of the gap and found that few of my companions had just elected to uncover the bodies. When we entered the town, we were met by various energized ladies and kids. They disclosed to us that just one of Demetrio’s men had gotten away from death, and even he was in an intense condition. He had been taken to the hospital†¦.So it was truly obvious that Demetrio had kicked the bucket. We passed by the hovel where we boarded, and I felt an ache. I could just gaze blankly at the elderly person who was watching out of the window. She was our incidental washer lady, and now she had carried a perfect suit to the cottage so that when Demetrio’s body was discovered we could without much of a stretch put on something else. My mates saw her likewise, yet not one of us ended the quiet. Rather we rushed to the shop where the organization kept it apparatuses, and requested executes. There were at that point various men unearthing the mountain side, and they were working with irate scramble. Be that as it may, as there was as yet a recognize what to do, for she just remained there unstably, trembling and widly gazing around. She was pale and her eyes had the opening of an idiot’s look. Her dress had been torn in spots, and her hair hung in clutter. For a period, she appeared to impart a similar enervation to us, and we stood quiet and careful, as though hanging tight for her first move. Her wails were becoming more fragile and more vulnerable. At long last, they were just similar to occupied murmurs. However, after her eyes stopped on us, remaining there quietly watching her, she broke into a boisterous attack of sobbing. She suddenlyâ knelt down on the ground, secured her face with her hands, and cried stronger. A portion of the men moved toward her and attempted to quiet her, however when ameliorating hands were laid on her shoulders, she flung them away and yelled that she be disregarded. For a period we didn't have the foggiest idea how to manage her. Later on, in any case, her folks came and coaxed her io returning to town. She strolled between her folks, crying like a kid. By dusk we had discovered just two bodies. One was that of Busio. The other was so extensively distorted that it was not unmistakable up 'til now. We put the bodies on improvised cots and conveyed them to the town. An agent from the organization met us in the town and dealt with the bodies. With him was an embalmer from the funeraria around who started to treat the bodies so they would go on until the organization got word from the groups of the dead men concerning what was to be finished with the bodies. A vehicle from the f uneraria went to the town and conveyed the dead to town. It is the arrangement of the organization to repay the group of a specialist who meets with a mishap while working for the organization. The organization pays thirty pesos to the family that is eager to let the organization cover the dead. In any case, if the family needs to have the body, the organization bears the transportation of the remaining parts to the family, however doesn't feel obliged to pay any more cash. As a rule, nonetheless, it sends five or ten pesos as a kind of reassurance to the deprived family. We viewed the vehicle hurry away, and when we were unable to see any longer, we discussed the mishap. I moved starting with one gathering then onto the next, incapable to decide to return home. What's more, despite the fact that they spoke for the most part about the mishap and I was starting to feel that I was unable to stand it any more, yet I was unable to go anyplace else for I would not like to be separated from everyone else and be left to my own considerations. Maybe it was only my creative mind, yet I appeared to detect that the air in the town had gotten foreboding and unobtrusively reminiscent of death. The town was normally calm, as though these laborers who toiled in consistent peril had been carried excessively near the truth of their risk. The ladies were so unusually stifled. I hurried away from them and went to the hovel where I boarded. I figured I could rest effectively after such an exhausting day, however I was mixed up. After I had turned off the light, the murkiness abused me and I appeared to hear the breathing of Demetrio adjacent to me. I hurriedly relighted the lamp fuel light, however even the light couldn't disperse my apprehension, so I descended the house and went to an open-all-nightâ restaurant. There were numerous individuals there and they talked uproariously. I was happy when finally the black out flicker of sunrise broke not too far off. Outside the eatery, the lanes were at that point crowded with men heading off to the mines. The men who had been in the foundation likewise came out, some returning home to rest and others going to work. I had my morning m eal, and when I went out I fell in with a bundle that was going to uncover the dead. By the center of the evening, we had removed the last body. This with two others we had recently found were set in the holding up vehicle sent by the funeraria and taken to town. I had seen Demetrio’s taken from under a tremendous stone, and in certain parts it looked as though it had been ground to a mash. Indeed, even before the stone had squashed him, he had just slaughtered by the impact. One of his arms had been torn away and his face has been damaged to such an extent that rather than a face, he had darkened, crude crush of tissue. Seeing him extraordinarily alarmed me and a portion of the men who burrowed with us dismissed. Pepe, who had been a good ways off from the others of Demetrio’s men when the mishap happened, was not all that horrendously ravaged, yet he was a limp as though all the bones in his body had melted†¦. After the vehicle had left, we gradually wended our way back to the town and restored the executes we had obtained. In answer to the wires conveyed the organization after the mishap, two of the families answered that they would let the organization cover their dead. One of the men who kicked the bucket didn't have any family and no one appeared to know where he originated from either. Demetrio’s spouse answered that she would have his body, and Pepe’s remains were taken by his better half. TONE: Turns out Sadly for the characters frequently with the greater part of them biting the dust. Characters: Demetrio’s posse Pepito’s posse Pepe Elderly person an intermittent washer lady

Blog Archive Haas School of Business at the University of California, Berkeley, Essay Analysis, 20182019

Blog Archive Haas School of Business at the University of California, Berkeley, Essay Analysis, 2018â€"2019 *Please note: You are viewing an essay analysis from the 2018-2019 admissions cycle.  Click here  to view our collection of essay analyses for the current admissions season. Last year, we noted that the Haas School of Business at the University of California, Berkeley, seemed to have begun embracing the less-is-more movement with regard to its application essays, having cut back its required submissions slightly, and this year, the program seems to have adopted that mind-set a little more (with the exception of its optional essays). It has gone from three mandatory essays down to two and changed the bulk of its career-focused question from an explanation of the past to a projection into the future. As for that aforementioned optional essay, Berkeley-Haas has broken unique ground with an elaborate questionnaire prompt that appears complicated at first but is actually rather straightforward. Overall, candidates still have a good opportunity to present a well-rounded impression of themselves to the school, from who they are today to the professional they expect to be in their projected career. Our full analysis of Berkeley-Haas’s updated essay questions f ollows Interested in learning how to tackle this year’s Berkeley Haas application essays? Watch the short video below before you continue reading the full analysis! Essay #1: Tell us a six-word story that reflects a memorable experience in your life-to-date. Elaborate on why it is meaningful to you. (300 words maximum) Before you start hyperventilating, let us reassure you that you absolutely can convey a meaningful and compelling story in just six words. Perhaps the most famous example of this is Ernest Hemingway’s famous “six-word novel,” which reads, “For sale: baby shoes, never worn.” In fact, entire Reddit, Pinterest, and Tumblr pages are dedicated to these succinct narratives, and several publications and Web sites have regular contests to see who can craft the best six-word tales. So, Berkeley-Haas may not be the first to come up with the idea, but it does appear to be the first business school to make it a part of its application! In addition to presenting several examples for applicants on its team Web page, the Berkeley Haas admissions committee offers two key pieces of advice for this essay in a video application tip: using contractions (e.g., it’s, can’t, won’t, didn’t) is totally acceptable, and perfect grammar is not necessary. These are both important space savers. Thankfully, the school also gives you a 300-word essay in which to further elaborate on your mini story (up from 250 words last season), so you can expound on some elements of the narrative that may not be immediately understood, but take care to not use that portion of this essay response to simply retell your story in more detail. Start by thinking carefully about how you want to present yourself as an applicant and an individual, and consider what you might say in your other essays for the program, to ensure that each piece you submit is complementary of the others and offers something different about you. You might consider this first essay the “colorful” essay and the other one  the more “serious” submission. In this one, you have a special opportunity to provide a window into your life experience and personality. Your six-word story should captivate and intrigue the admissions reader, leaving him or her wanting to learn more. (Almost by definition, the reader will be enveloped in mystery!) Then, the second, 300-word portion of the essay should unravel any mystery, illuminate your character, and clarify the significance of the core narrative in who you are today, thereby giving the admissions committee a critical sense of understanding. Essay #2: Briefly describe your immediate post-MBA career goal, and discuss how it will put you on a path to a meaningful and rewarding career. (300 words maximum) Yet again, Berkeley-Haas has reframed its career-focused essay prompt. This year, rather than asking about candidates’ “prior experiences” and the foundation/impetus those have provided, the admissions committee asks applicants to discuss how their first post-MBA position will be the initial chapter of an ultimately fulfilling professional story. The school knows only too well that many candidates change their career goals during the course of the MBA program, given their exposure to new people, ideas, and options, so focusing on an applicant’s immediate post-graduate aspiration allows the admissions committee to assess where that individual is right now in his/her thinking and development. The concept of motivation is key, so you want to demonstrate that you are a forward-thinking person who sees business school as a vital step on your professional and personal journey and truly understands how the experience fits into your vision of your future. Also, take special note of t he words “meaningful and rewarding” in the school’s prompt. Berkeley-Haas wants to know that you are pursuing an MBA because you are passionate and enthusiastic about the career you envision will follow, that it appeals to you in a personal and significant wayâ€"not just as a potential path to a bigger paycheck or fancy title (or worse, that you simply feel you are supposed to get an MBA for some reason). So be sure to have that excitement and drive show in your response by being authentic and demonstrating that you have truly thought about your path and are eager to get started. The elements this essay question demands are ones typically included in a standard personal statement essay, so we encourage you to download your free copy of the  mbaMission Personal Statement Guide, which we created to help applicants write this style of essay for any school. It explains in further detail how to consider and present your career goals in essay form, with examples, so be sure to claim your complimentary copy today. Optional Information #1: We invite you to help us better understand the context of your opportunities and achievements. What is the highest level of education completed by your parent(s) or guardian(s)? Did not complete high school High school diploma or equivalency (GED) Associates degree (junior college) or vocational degree/license Bachelors degree (BA, BS) Masters degree (MA, MS) Doctorate or professional degree (MD, JD, DDS) What is the most recent occupation of your parent(s) or guardian(s)? Unemployed Homemaker Laborer Skilled worker Professional If you were raised in one of the following household types, please indicate. Raised by a single parent Raised by an extended family member (grandparent, aunt/uncle, niece/nephew, cousin) Raised in a multi-generational home Raised in foster care 4.What was the primary language spoken in your childhood home? If you have you ever been responsible for providing significant and continuing financial or supervisory support for someone else, please indicate. Child Spouse Sibling Parent Extended family member (grandparent, aunt/uncle, niece/nephew, cousin) Other Please elaborate on any of your above responses. Alternatively, you may use this opportunity to expand on other hardships or unusual life circumstances that may help us understand the context of your opportunities, achievements, and impact. (300 words maximum) Optional Information #2: This section should only be used to convey relevant information not addressed elsewhere in your application. This may include explanation of employment gaps, academic aberrations, supplemental coursework, etc. You are encouraged to use bullet points where appropriate. Although the school’s first optional essay prompt is somewhat elaborate, it is not necessarily all that complicated, and we imagine it will offer certain applicants an easy way of highlighting particular elements of their background without having to try to fit them into a different essay. The school clearly wants direct information and basic explanation(s) from this option, so simply answer the questions and succinctly provide any necessary clarifications using the allocated word count. The second optional essay prompt asks applicants to focus specifically on information they deem most “relevant,” and the lack of a word limit means candidates can fully explain whatever they feel the admissions committee truly must know to be able to evaluate them fully and fairly.  This is not, however, a blank-slate invitation to dump every bit of remaining information about yourself that you feel the school is lacking. And however difficult,  avoid the temptation  to simply reuse a strong e ssay you wrote for another program here or to offer a few anecdotes you were unable to incorporate into your other Berkeley-Haas essays. Be judicious in your use of this opportunity, and submit an optional essay only if you truly believe a key element of your story or profile is needed for the school to have a complete and accurate understanding of you as a candidate. Consider downloading your free copy of our  mbaMission Optional Essays Guide, in which we offer detailed advice on when and how to take advantage of the optional essay (including multiple sample essays) to help you mitigate any problem areas in your profile. And for a thorough exploration of Berkeley-Haass  academic program, unique offerings, social life, and other key characteristics, check out the  mbaMission Insider’s Guide to UC Berkeley Haas School of Business, which is also available for  free. The Next Stepâ€"Mastering Your Berkeley-Haas Interview:  Many MBA candidates find admissions interviews stressful and intimidating, but mastering this important element of the application process is definitely possibleâ€"the key is informed preparation. To help you on your way to this high level of preparation, we offer our  free Interview Primers. Download your free copy of the  Berkeley-Haas  Interview Primer  today! Share ThisTweet 2018-2019 Berkeley-Haas Business School Essays MBA Essay Analysis

Who Moved My Cheese Book Report Essay examples - 628 Words

The book â€Å"Who Moved My Cheese?† is a simple story about mice and â€Å"little people† that helps readers handle and deal with changes in their lives. The story is about two mice and two human-like individuals named â€Å"little people† (who are the size of the mice). The two mice’s names are Scurry and Sniff. The two little people’s names are Hem and Haw. The story takes place in a â€Å"maze† and the characters look for â€Å"cheese† to nourish them in the maze. When the characters find cheese, only to have it disappear, they experience change. The different characters show different ways of responding to this change and teach lessons that can be applied to our daily lives. Before I get to the main story line, let me explain the symbolism behind the†¦show more content†¦When he found his way through the maze to Cheese Station N, he wrote all these things on the wall of the station. He applied all these principles to his daily life and changed the way he lived compared to his life at Station C. When changes happen in your life, you can choose to be like Sniff and Scurry, like Hem, or like Haw. Sniff and Scurry kept things simple. They didn’t overanalyze or overcomplicate things. They simply moved on. Hem, he didn’t move on. He stayed in misery and didn’t realize that he needed to change with the change -- move with the cheese. Lastly, theres Haw. He had to learn from his mistakes and laugh at his previously self and move with the cheese. I hope that we can all not make the mistake that Hem and Haw made and learn to deal with change by going with the flow and moving with the cheese! Who Moved My Cheese - Spencer Johnson -Show MoreRelatedWho Moved My Cheese By Spencer Johnson1559 Words   |  7 PagesIdentification In the book Who Moved My Cheese? by Spencer Johnson, out of the four main characters, I most resemble the little person Haw. Right away, it was obvious I was not like the mice. I am a thinker. Sniff and Scurry reacted far too immediately for me. When the change happened, they were already out in the maze seeing what they could find. Change tends to affect me more heavily than it did the mice. I tend to use a combination of brainpower and emotion when I am looking for my Cheese just like HemRead MoreImplementation Of The Loan Resolution1259 Words   |  6 Pagesforbearance module on the host system for tracking purposes. 6. All forbearance plans must include the following documentation: Completed financial information request, proof of income (such as Bank statements, Income tax return, etc.), current credit report, and a debt ratio analysis. This information may differ based on investor requirements. 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According to Gebler if an organization thrives in each of these areas then they will be a successful organization where employees feel safe to state their opinions and report any unethical behavior. The most important area for a company to thrive in is financial stability. â€Å"Every organization needs to make financial stability a primary concern† (Gebler, 2006, p.33). A company needs to be able to manage their money efficientlyRead MoreJD Salinger Research Paper1671 Words   |  7 Pagesa fascinating author best known for his novel, Catcher in the Rye. Although Salinger only published one novel, he wrote several short stories for magazines like The New Yorker and Story. A large number of these stories went on to be compiled into books such as Nine Stories, Franny and Zooey, and Raise High the Roof Beam, Carpenters and Seymour: An Introduction. Despite the fact Salinger has not published any stories in over 45 years, his reputation is still quite popular. Salingers stories are studiedRead MoreEssay about The Poor Law Amendment Act and Tackling Poverty2908 Words   |  12 Pageschildren a man had. The 1834 Poor Law Amendment Act The 1834 Poor Law Amendment Act was introduced as a result of Earl Grey, the Prime Minister, setting up a Poor Law Commission to examine the working of the poor Law system in Britain. In their report published in 1834, the Commission made several recommendations to Parliament. As a result, the Poor Law Amendment Act was passed. Indoor relief in workhouses replaced outdoor relief (money or goods, that enabled the poor to stay in their own homes)Read MoreParticipative Leadership Theory : Dr. Barbara Shaws Leadership Practice1541 Words   |  7 Pagesemployee’s creativity† (2015, p. 851). As an example of this, Dr. Shaw relies on cross-functional teams to fully develop and implement professional development projects, where the team makes the decisions. The only requirement to this empowerment is to report to Dr. Shaw, any obstacles or difficulties found in the process, thus allowing her to intervene when necessary only. This strength benefits the department’s performance and frees up her time from the day-to-day decisions, allowing her to focus onRead MoreMcdonal Class 12 Project7889 Words   |  32 PagesENTREPRENEURSHIP PROJECT PROJECT REPORT AND MARKET SURVEY OF MCDONALD’S Name of the school : SHARJAH INDIAN SCHOOL NAME OF THE STUDENT : DAN K. JOHN CLASS : XII-E CBSE ROLL NO. : ACADEMIC YEAR : 2012-2013 TEACHER IN CHARGE : MR. JAMES THOMAS INDEX SL. NO. | TITLE | SOURCE OF THE PROJECT | PAGE NO. | SIGN OF THE TEACHER | 1 | ACKNOWLEDGEMENT | - | | | 2 | FAST FOOD RESTAURANTAN INTRODUCTION | www.wikipediaRead MoreWendys7606 Words   |  31 PagesWendy Company Report to the Turnaround Committee Prepared By: ABC Consulting, LLC Bryant Perez August 12, 2013 TABLE OF CONTENTS Page Executive Summary Background Competition and the Market Field Reports and Competitive Analysis Problems Recommendations Summary Pro-Forman Income Statement Pro-Forma Balance Sheet Notes to Pro-Forma Statements Appendix A: Competitors amp; Ratios Appendix B: Field Reports AppendixRead MoreEssay on Comparing American Culture and Latino Culture1975 Words   |  8 PagesMexico, the Caribbean, Central America, and South America, there are many misconceptions that Latinos are only people who come from Spanish-speaking countries, but in this category we can also include countries like Brazil whose primary language is not Spanish but Portuguese. The term Hispanic means people who come from a country where Spanish is spoken. And the term Latino means someone who comes from Latin America. Because of our Latin American origins, Hispanic Americans are also called Latinos. Within

Extraction of Caffeine from Tea Leaves - 1151 Words

Extraction of Caffeine from Tea Leaves Introduction Caffeine is soluble in boiling water and as a result it is easily extracted from tea bags by steeping in hot water. This process leaves behind the water insoluble portions of the tea bag. However, water extracts more than just caffeine, so a final separation is done with an organic solvent that will dissolve primarily caffeine. The organic solvent used in this experiment is Dichloromethane (CHâ‚‚Clâ‚‚). Dichloromethane is less polar than water and this difference in polarity allows the separation. Extraction of the tea with the Dichloromethane, followed by evaporation of the organic solvent leaves crude caffeine, which on sublimation yields a relatively pure product. Sublimation is†¦show more content†¦On the TLC plate our tea extract traveled almost the same distance as pure caffeine. The Co-spot traveled the exact same distance as the pure caffeine. The Rf values for caffeine and the Co-spot were 0.166. The Rf value of the tea extract was 0.133. The diff erences in the spots could be due to some impurities in the tea extract and differences in concentration of each spot. After the sublimation 0.003g of pure caffeine was scraped from the test tube. The melting point range of the pure caffeine was tested and found to be 237-239 degrees Celsius. The actual melting point of caffeine is 238. Conclusion The results of the TLC plate showed that the tea extract was very close to the sample of pure caffeine. It was slightly off possibly due to impurities that remained in the tea extract. The caffeine weighed in the flask after the liquid-liquid extracted was 0.012g, which was different from the weight of the caffeine obtained after the sublimation. This difference was likely due to impurities in the caffeine before being purified by sublimation. The caffeine that was extracted from the sublimation experiment had a melting point of 237-239 degrees Celsius, which is the same as the reported value for caffeine. The sublimation resulted in having a totally pure extract of caffeine. Questions 1. Why is sodium chloride added to the tea solution beforeShow MoreRelatedUsing Solid Liquid Extraction Of Caffeine From Tea Leaves867 Words   |  4 PagesThe purpose of this experiment was to use solid-liquid extraction to isolate a crude sample of caffeine from tea leaves and then subsequently purify the isolated sample via sublimation. The two solvents used in the extraction were water and dichloromethane. In addition to caffeine, tea leaves also contain other compounds that must be dealt with including cellulose, proteins/pigments, tannins, and saponins. Cellulose is not soluble in water as a result of its high molecular weight and thereby doesRead MoreCaffeine Lab Report769 Words   |  4 Pagesthe experiment caffeine [C8H10N4O2], is based on a series of procedures. Firstly, it is important to examine the structure of caffeine which is an alkaloid. Typically alkaloids are nitrogen based and found in plants, caffeine itself is composed of a purine ring with functiona l groups of a amide, amine and alkene respectively. Furthermore, Caffeine includeds a lone pair on the nitrogen atom asserting several functional properties(Zhao et al. 206). Under examination of the caffeine structure severalRead MoreEffectiveness Of An Extraction Process And Purification Process955 Words   |  4 Pageseffectiveness of an extraction process and purification process by sublimation is observed and used to selectively separate caffeine from teabags. In the first part of the experiment, water soluble materials, including caffeine, within the teabags are extracted into hot water because the solubility of caffeine in water increases as temperature increases. This is due to the concept that increasing kinetic energy through increasing temperature will allow the molecules in the solute to break apart from the intermolecularRead MoreEssay Separation of Benzoic Acid and Acetanilide1243 Words   |  5 PagesReport 13 October 2011 Table of Contents Separation of Benzoic Acid and Acetanilide 3 Extraction and Purification of Caffeine from Tea 4 Extraction of Trimyristin from Nutmeg 5 Conversion of t-butanol to t-butyl chloride 6 Appendix 7 Calculations 8 Literature and Experimental Values of Benzoic Acid and Acetanilide 9 Experimental Caffeine IR 10 Literature Caffeine IR 11 Experimental Trimyristin IR 12 Literature Trimyristin IR 13 Experimental Tert-Read MoreEssay Acid Base Extraction1511 Words   |  7 Pages Acid Base Extraction The purpose of this laboratory assignment was two-fold, first, we were to demonstrate the extraction of acids and bases, finally, determining what unknowns were present. Second, we were to extract caffeine from tea. 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The names of some of these compounds are familiar to you even if the structures aren’t: nicotine, morphine, strychnine, and cocaine. The role or roles these compounds play in the life of the plants in which they are found

The Post Apocalyptic Genre And Anxieties Everyday Life

The Post-Apocalyptic Genre and Anxieties Everyday Life Naturally, a person who is facing anxiety might may pull away from conditions that have triggered similar feelings in the past. Anxieties are of different types including existential anxiety which results from facing an existential crisis, angst, and nihilistic feelings. Other categories of anxiety are test anxiety, stage fright, stage fright, and somatic anxiety. Stranger anxiety and social anxiety occur when a person is around a strangers (Karam et al.). Such anxieties are evident in The Road, and McCarthy illustrates this in a verbose way. Anxieties in the road are both short term and long term. Whereas long-term anxieties are mainly worried about what will befall them in during the uncertain times. Unlike anxieties in today s real world, anxieties in the road are not treated in conventional ways. There are no psychologists to attend to the fears of the people in The Road. The only remedy is love from family. The unnamed father in the road takes care of his son with a lot of love. The young boy and his father love and care for each other all the time to cover for the anxiety. The author remarks that the boy hangs on to him all the time in fear of the unknown. The small boy seeks refuge and love from his father. When the father attempts to leave the boy to go and look for firewood, the boy cries and claim that he is afraid to be left alone. This depicts the fear he feels, especially if he is left alone. The young boyShow MoreRelatedThe Social Structures Of A Destroyed World Essay2212 Words   |  9 Pagesdistinctive traits that make them an individual. In the genre Science Fiction, apocalyptic text is extensive as it explores the social structures of a destroyed world. Thus, the human mind is an important aspect to explore when creating apocalyptic material. Remember, every person is unique and handle situations differently. In theory, humans are biologically designed to survive by all means necessary, in a broad sense to continue the protection of life. The way a person’s behavior switch from nonviolentRead MoreStylistic Analysis of Zombieland Essays1153 Words   |  5 Pageslit daily life locations. The lighting is mainly high key, which emphasizes the use of the setting since this kind of lighting gives an upbeat mood to the scene. The establishing shot of the post-apocalyptic world is mainly lit low-key to show how annihilated the world is. Natural light is not often used. Although the setting and lighting are not stereotypical horror they are all stereotypical for television, like sitcoms and comedies, which is what the film is going for since its main genre is ComedyRead MoreOne Significant Change That Has Occurred in the World Between 1900 and 2005. Explain the Impact This Change Has Made on Our Lives and Why It Is an Important Change.163893 Words   |  656 PagesPerspectives on the Past, edited by Susan Porter Benson, Stephen Brier, and Roy Rosenzweig Also in this series: Paula Hamilton and Linda Shopes, eds., Oral History and Public Memories Tiffany Ruby Patterson, Zora Neale Hurston and a History of Southern Life Lisa M. Fine, The Story of Reo Joe: Work, Kin, and Community in Autotown, U.S.A. Van Gosse and Richard Moser, eds., The World the Sixties Made: Politics and Culture in Recent America Joanne Meyerowitz, ed., History and September 11th John McMillian

“the Fender

â€Å"the Fender-Bender† Essay Analysis of â€Å"The Fender-Bender† Ramon â€Å"TIANGUIS† Perez’s â€Å"The Fender-Bender† provides some insight on the thought process of being an illegal alien. In this essay Mr. Perez is expressing to the reader that even a small accident could cause huge problems. One such problem could be the possibility of being sent back to his native country. â€Å"Without immigration papers, without a driving permit, and having hit another car. I feel as if I’m one step away from Mexico†. (Pg. 79) Mr. Perez uses â€Å"Narration† and Definition† to try and gain the reader’s attention. It appears that the thesis is about an immigrant’s fight to remain in this country with or without the proper paperwork required. Mr. Perez takes responsibility for the accident but does not think he should be treated differently than anyone else. Not having the papers necessary to prove who he is, appears to the reader to be of no conscience to Mr. Perez. â€Å"Minor, only a scratch on the paint and a pimple-sized dent† (Pg. 79) is how Mr. Perez describes to the reader how small and insignificant the accident appeared. His tone is somewhat anxious. Mr. Perez uses his words to change his meaning in the beginning when talking about his driver’s license. He wants to pay for the damage instead of getting the police involved. This is not an uncommon practice for Illegal aliens. Paying for the damage is a better solution for them than the possibility of being deported. †¢An alien is defined as a foreigner. The United States has many undocumented immigrants. Illegal aliens are often discussed in the media, but rarely if ever are the feelings and thoughts explained. Many of them find their own self’s in the same predicament that Mr. Perez faces in this essay. This is a problem in the United States and should be taken seriously. At the same time we have many Mexicans and other cultures that were born in the United States making them citizens but, without the papers to prove who they are it could cause them the same worry as Mr. Perez. Perez, Ramon â€Å"The Fender-Bender. † The Sundance Reader 5th Edition 2009, 2006 Wadsworth Cengage Pages 79-81.