Acid-Base Titration Experiment essays

Acid-Base Titration Experiment essays To titrate a hydrochloric acid solution of unknown concentration with standardized 0.50 M sodium hydroxide and to utilize the titration data to calculate the molarity of the hydrochloric acid, and the molarity. Prepare for lab. Put on apron and goggles. Take 50 mL of the hydrochloric acid solution of unknown concentration and about 100 mL of the standardized NaOH solution. Record the value in Table. Use suction bulb, pipet 10.0 mL of the HCl solution into a 250 mL Erlenmeyer flask, after rinsing your pipet with small amount of HCL first. Add 3 drops of phenolphthalein solution. Rinse a clean buret with approximately 15 mL of the standardized NaOH solution. Drain the buret and refill with standardized NaOH solution. Record the initial volume of the NaOH in the buret in your Table. Gradually dispense some of the standardized NaOH solution into the titration flask. Swirl the flask constantly. Continue adding NaOH, noting any changes in the flask. As the equivalence point approached, a pinkish color will appear, and the dissipate more slowly as the titration proceeds. Now add NaOH drop by drops. Stop when the addition of a single drop causes the solution to remain pinkish for 30s. Record the volume of NaOH needed to reach the equivalence point in your copy table 1, and repeat the procedure again from getting 10.0 mL sample of HCL and compare the result. Mix any leftover acids and bases together to neutralize, and pour down the sink with plenty of water. MOLARITY OF NaOH TRIAL 1 TRAIL 2 TRAIL 3 ...

Descriptive Writing Definition and Examples

Descriptive Writing Definition and Examples In composition, description is a  rhetorical strategy using sensory details to portray a person, place, or thing. Description is used in many different types of nonfiction, including essays,  biographies, memoirs, nature writing, profiles, sports writing, and travel writing. Description  is one of the  progymnasmata  (a sequence of classical rhetorical exercises) and one of the traditional  modes of discourse.   Examples and Observations A description is an arrangement of properties, qualities, and features that the author must pick (choose, select), but the art lies in the order of their release- visually, audibly, conceptually- and consequently in the order of their interaction, including the social standing of every word.(William H. Gass, The Sentence Seeks Its Form. A Temple of Texts. Alfred A. Knopf, 2006) Show; Dont Tell This is the oldest  clichà © of the writing profession, and I wish I didnt have to repeat it. Do not tell me that the Thanksgiving dinner was cold. Show me the grease turning white as it congeals around the peas on your plate. . . . Think of yourself as a movie director. You have to create the scene that the viewer will relate to physically and emotionally. (David R. Williams, Sin Boldly!: Dr. Daves Guide To Writing The College Paper. Basic Books, 2009) Selecting Details The descriptive writers main task is the selection and verbal representation of information. You must choose the details that matter- that are important to the purposes you share with your readers- as well as a pattern of arrangement relevant to those mutual purposes. . . .Description can be an engineer describing the terrain where an embankment must be built, a novelist describing a farm where the novel will take place, a realtor describing a house and land for sale, a journalist describing a celebritys birthplace, or a tourist describing a rural scene to friends back home. That engineer, novelist, realtor, journalist, and tourist may all be describing the very same place. If each is truthful, their descriptions will not contradict each other. But they will certainly include and emphasize different aspects.(Richard M. Coe, Form and Substance. Wiley, 1981) Chekhovs Advice to a Young Writer In my opinion, descriptions of nature should be extremely brief and offered by the way, as it were. Give up commonplaces, such as: the setting sun, bathing in the waves of the darkening sea, flooded with purple gold, and so on. Or swallows flying over the surface of the water chirped gaily. In descriptions of nature one should seize upon minutiae, grouping them so that when, having read the passage, you close your eyes, a picture is formed. For example, you will evoke a moonlit night by writing that on the mill dam the glass fragments of a broken bottle flashed like a bright little star and that the black shadow of a dog or wolf rolled along like a ball.(Anton Chekhov, quoted by Raymond Obstfeld in Novelists Essential Guide to Crafting Scenes. Writers Digest Books, 2000) Two Types of Description: Objective and Impressionistic Objective description attempts to report accurately the appearance of the object as a thing in itself, independent of the observers perception of it or feelings about it. It is a factual account, the purpose of which is to inform a reader who has not been able to see with his own eyes. The writer regards himself as a kind of camera, recording and reproducing, though in words, a true picture. . . .Impressionistic description is very different. Focusing upon the mood or feeling the object evokes in the observer rather than upon the object as it exists in itself, impressionism does not seek to inform but to arouse emotion. It attempts to make us feel more than to make us see. . . . [T]he writer may blur or intensify the details he selects, and, by the clever use of figures of speech, he may compare them to things calculated to evoke the appropriate emotion. To impress us with the dreary ugliness of a house, he may exaggerate the drabness of its paint or metaphorically describe the flaki ng as leprous.(Thomas S. Kane and Leonard J. Peters, Writing Prose: Techniques and Purposes, 6th ed. Oxford University Press, 1986) Lincolns Objective Self-Description If any personal description of me is thought desirable, it may be said, I am, in height, six feet, four inches, nearly; lean in flesh, weighing, on an average, one hundred and eighty pounds; dark complexion, with coarse black hair, and gray eyesno other marks or brands recollected.(Abraham Lincoln, Letter to Jesse W. Fell, 1859) Rebecca Harding Daviss Impressionistic Description of a Smoky Town The idiosyncrasy of this town is smoke. It rolls sullenly in slow folds from the great chimneys of the iron-foundries and settles down in black, slimy pools on the muddy streets. Smoke on the wharves, smoke on the dingy boats, on the yellow river- clinging in a coating of greasy soot to the house-front, the two faded poplars, the faces of the passers-by. The long train of mules, dragging masses of pig-iron through the narrow street, have a foul vapor hanging to their reeking sides. Here, inside, is a little-broken figure of an angel pointing upward from the mantel-shelf; but even its wings are covered with smoke, clotted and black. Smoke everywhere! A dirty canary chirps desolately in a cage beside me. Its dream of green fields and sunshine is a very old dream- almost worn out, I think.(Rebecca Harding Davis, Life in the Iron Mills. The Atlantic Monthly, April 1861) Lillian Rosss Description of Ernest Hemingway ​​Hemingway had on a red plaid wool shirt, a figured wool necktie, a tan wool sweater-vest, a brown tweed jacket tight across the back and with sleeves too short for his arms, gray flannel slacks, Argyle socks, and loafers, and he looked bearish, cordial, and constricted. His hair, which was very long in back, was gray, except at the temples, where it was white; his mustache was white, and he had a ragged half-inch, full white beard. There was a bump about the size of a walnut over his left eye. He had on steel-rimmed spectacles, with a piece of paper under the nose-piece. He was in no hurry to get to Manhattan.(Lillian Ross, How Do You Like It Now, Gentlemen? The New Yorker, May 13, 1950) Description of a Handbag ​Three years ago at a flea market, I bought a small, white-beaded handbag, which I have never since carried in public but which I would never dream of giving away. The purse is small, about the size of a paperback bestseller, and thus it is totally unsuited for lugging around such paraphernalia as a wallet, comb, compact, checkbook, keys, and all the other necessities of modern life. Hundreds of tiny pearl-colored beads dot the outside of the handbag, and on the front, woven into the design, is a starburst pattern formed by larger, flat beads. Creamy white satin lines the inside of the bag and forms a small pocket on one side. Inside the ​pocket someone, perhaps the original owner, has scrawled the initials J.W. in red lipstick. At the bottom of the purse is a silver coin, which reminds me of my teenage years when my mother warned me never to go out on a date without a dime in case I had to telephone home for help. In fact, I think thats why I like my white beaded handb ag: it reminds me of the good old days when men were men and ladies were ladies.(Lorie Roth, My Handbag) Bill Brysons Description of the Residents Lounge in the Old England Hotel The room was casually strewn with aging colonels and their wives, sitting amid carelessly folded Daily Telegraphs. The colonels were all shortish, round men with tweedy jackets, well-slicked silvery hair, an outwardly gruff manner that concealed within a heart of flint, and, when they walked, a rakish limp. Their wives, lavishly rouged and powdered, looked as if they had just come from a coffin fitting.(Bill Bryson, Notes From a Small Island. William Morrow, 1995) Stronger Than Death Great description shakes us. It fills our lungs with the life of its author. Suddenly he sings within us. Someone else has seen life as we see it! And the voice that fills us, should the writer be dead, bridges the gulf between life and death. Great description is stronger than death.(Donald Newlove, Painted Paragraphs. Henry Holt, 1993)

Restaurant and catering management Essay Example | Topics and Well Written Essays - 500 words

Restaurant and catering management - Essay Example They had a duty of ensuring consistency of high-quality service and food preparation. On the other hand, food requirement estimation, orders placement with distributors, delivery schedules of supplies and fresh food rests upon them. The assistant manager ensured that guest services are positive in all areas of the restaurant. Besides, the manager had a responsibility of responding quickly to complain raised by the restaurant guests. They ensured that appropriate actions take place to make guests that were dissatisfied with the services offered to make decisions of returning to the restaurant next time. The assistant manager had a challenge of complying with the restaurant standards and service levels to reduce costs and increase sales. They ensured minimization of cost relating to supply, beverage, food, labor and utility. Moreover, they made sure that the accomplishment of all financial reports, invoices, payroll and administrative duties take place on time and accurately in accordance with the procedures and policies of the restaurant. In addition, the managers provided strong and active presence in the restaurant to the people of San Francisco. On the other hand, they also ensured that the restaurant including the personnel incorporated high-level involvement of the population of San Francisco thus giving the restaurant a positive image to the public. The managers had a responsibility of developing employees by providing them with feedback, carrying out performance reviews, and performance establishment expectation of the restaurant. They also directed employees regarding procedural and operational issues as well as directing hiring, development, supervision, and when they consider it necessary, they order employee’s termination. When the restaurant absorbs new employees, they orient them and oversee their training. The assistant

Dream Interpretation Essay Example | Topics and Well Written Essays - 3250 words

Dream Interpretation - Essay Example Thus, the attitudes or responses vary due to the particular contexts. "An attitude is the predisposition to respond in a certain way (Fernald & Fernald, 2003)ii". Undeniably, people intend to satisfy desires by their performing attitudes in day-to-day lives. It is unanimous that dreams are psychologically significant and meaningful expression that meant the implication of the life of the dreamer and connotes a specialty of the occurrences of life. 'The Interpretation of dreams' by Freud has added a new dimension in the development of psychoanalytic explanation requiring the successful dream analysis. The book has opened the floodgate in dream interpretation and helped people bringing an epoch making change in this concern. Prior to the emergence of Freud's theory, the ongoing explanation regarding dream interpretation advocated that dream is the manifestation of mental activity of human being during sleep. With the arrival of the eminent book by Freud, the period of 19th century being marked as the turning point bringing a revolutionary change in global context for dream analysis. Due emphasis is stressed on the neurotic symptoms in interpreting the dreams as the thoughts and ideas of people in awakening hours become visible in dreaming. In regard to the length and clarity of the dreams perceived, there are two sorts of dreams as categorising manifest dreams and latent dreams. Manifest dreams are consciously perceived and subsequently remembered just after the dreams are being dreamt while the dreams that cannot be easily remembered and seemed quite vague are the latent dreams. Of course, in many cases people cannot remember what they experienced in dreaming just with the awakening from the sleeping. This missing of the incidences of dream may be the result of the existence of some repressive forces. The core reason behind the manifest dream is the conglomeration and dominant presence of some latent thoughts. Such manife st dreams mirror the fulfillment of the wishes as regards the issues about which the dreamer was not conscious. However, they were left in the unconscious part of the mind. For instance, if someone expects to satisfy his or her hunger for food or money, is subject to dream the same. In this connection, an excellent example has been drawn by Freud stating that a medical student who routinely is to report to the hospital early in the morning with a view to making rounds, dreams of lying in a hospital bed, and continues to sleep, comforted in the thought that she is already in the hospital. As regards the correspondence of wishes with dreams, there are certain objections since the wishes may not be equally good rather to some extent subject to be hostile in nature. Such hostile or adverse wishes may certainly drive the dreamer to take some repressive actions or dream alike things. At the same way, a dreamer who wishes to do better for someone may dream that he is doing so or rescuing anybody from the net of danger or adverse situation. Psychological Explanation As every dream has a psychological structure, it is significant to hold that every dream has a psychological explanation. Hence, much significance of psychological interpretation is laid on it. The obscurity or clarity of the dr

Beneath the Skin :: Make up Fashion Personal Narrative Papers

Beneath the Skin I bought new makeup yesterday. It’s a new kind from Almay called ‘Nearly Naked,’ which is supposed to hide the wearer’s imperfections but still let her skin show through. Obviously the idea is to make it seem like there is no makeup and that yes, this is how I look when I roll out of bed. Isn’t that what it’s about, though? Hiding one’s imperfections from the world while trying to convince the world that it’s the â€Å"real you†? So here I sit, face freshly washed and devoid of makeup, ready for examination to see what can be discovered about my life from my facial features. Let’s start at the top: the forehead. Not too big, not too small (though I’m sure if I stare at it long enough that sentiment will change). Two little indents serve as a reminder to when I had the chicken pox, age eleven. During the sixth grade, all the kids in my class got chicken pox, and I was one of the last to get it. At the time we were living in England, and my mother’s friend was visiting from the U.S. I didn’t want her to see me with all these terrible little marks on my skin. I wanted to hide in my bed for two weeks. There were pictures of me during that time—I’m holding my hamster and not looking at the camera—but I cut out the little part of the photos with my hamster in them and threw the rest of the photos out. I wanted no reminder of how sick I looked during that time. So now, years later, small bumps and irregularities are scattered across the once smooth surface. My shaggy eyebrows should be plucked in order to banish those tiny strays under the brow, but I can’t be bothered. I used to have very high-maintenance eyebrows back in high school. They were arched and tapered to a beautiful finish at just the right spot a little further out than where my eye ends. But I was a different person then—someone I’m not now. While those eyebrows were fun they represent someone else—perhaps someone who was not as comfortable with herself as she is now. Someone who was just coming into her own and feeling slightly awkward, and decided to make her eyebrows as pretty as possible, to give the illusion of maturity.

Comtemparory Business

There are many companies that make products that go head to head. Coca Cola and Pepsi are an example of such reveries. There has been many taste test and competitions that Involved the soda kings. This reverie has been going on for over a century. (See appendix 1) The start of this long standing soda war began 1 886 when creator John S. Pentameter developed the original recipe for Coke. Then 13 years later Pepsi creator pharmacist Caleb Abraham developed his formula. By this time Coca-Cola was already fulfilling order that totaled a million gallons per year.Coke hen continue to develop its iconic bottle in 1921, they then secured huge name endorsements deals, expanded to Europe and Cuba, Canada and Panama. In the Interim, peeps went bankrupt because of WI In 1923. Pepsi Is fully revived fully In 1931 and begin a campaign to rival coke back and forward. Although Pepsi never really tops Coke in soda sales the Pepsi Company is still more profitable than Coke due to their diversity of th e many other products they sell. Coke spends a half a billion more on advertising than Pepsi. (See appendix 2) (Basin, 2013) Corporate CulturePerformance with a purpose Is the PepsiCo corporate culture motto. The PepsiCo CEO, Indri K. Onion, states: Ethics and growth are connected is a broadly shared understanding in today's business world. But these words appeared in the PepsiCo Annual Report back in 1968?just three years after the Pepsi-Cola Company and the Frito-Lay Company merged to form PepsiCo. It is a testament to how long we have treasured the belief that corporate capabilities and corporate character are not Just Integrated, but Inseparable. (Company T. P. 2013) Here she Is stating that ethics Is an Intricate part of PepsiCo culture and It has en for many, many years. This is before it has been before it has been set and a standard in the business world today. She goes on to speak about how this ideal has made Pepsi the innovator and leader in such areas from civil rights t o scholarships to recycling. The Pepsi Company believes that its investment in the future by way of environmental protection, Investing back Into the community and performance with purpose keeps the company ahead of the global challenges shaping the industry.Coca Cola Company's President and COO Glen Walter states that: Since our first odd fountain sales in 1886, we have been a driver of marketplace innovation and an investor in local economies. Today we lead the beverage industry with more than 500 beverage brands including four of the world's top-five sparkling brands. But while our business opportunities are enormous, our commitment to our consumers and the communities In which we operate Is even greater. According to the website the company's focus is Sustainability and growth.The company strives to continue to be a leader of the soda world. The mission statement reads: Our Roadman starts with our mission, which is enduring. It declares our purpose as a company and serves as the standard against which we weigh our actions and decisions. To refresh the world†¦ To create value and make a difference. (company T. C. , 2013) It seems that the Coca Cola Co does not talk about it ties and comments to the community and the future but Just to the sustainability of the company.The advisements appear to be community based it does not seem to resonate through the corporate culture. The difference of corporate culture seems to be Pepsi seems to embody forwardness of the company and community since sass's. Whereas n the other had Coca Cola seems to Just in the recent 20 years or so adopted the community with the development of its Coca Cola Foundation. Benefits of competition The battle between the two great giants has sparked new and innovative ways to stay above the competition.One example of a intense exchange that take place during the Cola Wars was Coca-Cola deciding to a strategic retreat minion, by publicizing its plans to bring back the original coke recipe after the introduction of New Coke. The wars also lead to Pepsi realizing that its grip on the soda world was not as evident ND they decided in 1965 to diversify and acquired ownership of Frito-lay Company. (Basin, 2013) Another benefit of the wars are the introduction in the late sass, Pepsi launched its most profitable long-term strategy of the Cola Wars, called Pepsi Stuff.This was a point system where Pepsi consumers drank Pepsi and received points to buy free Pepsi lifestyle merchandise. After researching the company launched the program and it gained instant success. Millions of patrons take part in the program. This move also made Pepsi highly popular and it outperformed Coke during the summer of the Atlanta Olympics which is in the hometown of Coke. Later in 2005 Coca-Cola and Pepsi started a â€Å"cyber-war† with the re-introduction of Pepsi Stuff in 2005 ; Coca-Cola strikes back with Coke Rewards.A third benefit is in 1985, Coca-Cola and Pepsi were launched into sp ace aboard the Space Shuttle Challenger. The companies had invented special cans to test packaging and dispensing systems for use in zero G conditions. The experiment was classified a failure by the shuttle crew, primarily due to the lack of both refrigeration and gravity. But this pushed the companies and it lead to the invention of the Coca-Cola fountain dispenser. (Russell, 012) Continue to Thrive I speculate that Pepsi will continue to bill there brand threw the food brand versus just focusing on the soda side of things.Coca Cola now is focusing plans to focus on build its brand throughout the world and community. The Journey is called Me, We and the world. The company has made the statement that they are committed to grow the business in an economically, environmentally and socially sustainable way. (Company T. C. , 2013) These statements are a part of their investment sustainability plan. The soda wars have gone on for centuries and although never company will admit o the ongo ing competition, they both are innovators in the world of business and will continue to forge on to success.

1984 Essay Historical Perspective - 674 Words

1984 Essay Historical Perspective Many historical events have occurred in the past years that are occurring today. Similar events happened in the years of 1948, 1984, 2014. Dystopia has been shown in many types of governments throughout the years of 1948 to 2014. Hitler for example showed a dystopian type of government where hatred towards jews and propaganda played a big role in his government. The book named 1984 written by George Orwell, has a historical perspective. Orwell published the book in 1949. This shows that Orwell predicted that propaganda will never end and will keep surviving till the end of this world. Propaganda has also played role in todays world. In all years of 1948, 1984, and 2014, propaganda hugely affected the people while dystopia in governments were common and occurring. In the year of 1948 many events happened that showed dystopia and propaganda in the governments. During the year of 1948, The cold war was occurring and World War II had ended a few years ago but the effects of it was still harming the countries. After World War II, many countries were still rebuilding all their damaged country. Nagasaki and Hiroshima were both bombed and had to be completely rebuilt. The cold war which was going on in 1948 was a war where no bullets were shot. It was all espionage between the Soviet Union and the United States. The Soviet Union wanted to spread its ideals of communism the whole world while the United States was trying to promote democracy toShow MoreRelatedDiscuss the Roles of Language and Reason in History1695 Words   |  7 PagesTOK- Essay Question 9 â€Å"Discuss the roles of language and reasoning in history† 1451 words Nadia Lotze 000 865-015 Mr Skeoch History is the past written by the present. The very nature of this statement creates the predicament of historical knowledge. 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