Thursday, November 14, 2019
Hydrogen Peroxide Essay examples -- essays research papers
(H2O2), a colourless liquid usually produced as aqueous solutions of various strengths, used principally for bleaching cotton and other textiles and wood pulp, in the manufacture of other chemicals, as a rocket propellant, and for cosmetic and medicinal purposes. Solutions containing more than about 8 percent hydrogen peroxide are corrosive to the skin. First recognized as a chemical compound in 1818, hydrogen peroxide is the simplest member of the class of s. Of the several processes of manufacture, the principal ones involve reactions of oxygen from the air with certain organic compounds, especially anthraquinone or isopropyl alcohol. Major commercial grades are aqueous solutions containing 35, 50, 70, or 90 percent hydrogen peroxide and small amounts of stabilizers (often tin salts and phosphates) to suppress decomposition. Hydrogen peroxide decomposes into water and oxygen upon heating or in the presence of numerous substances, particularly salts of such metals as iron, copper, manganese, nickel, or chromium. It combines with many compounds to form crystalline solids useful as mild oxidizing agents; the best-known of these is sodium perborate (NaBO2H2O23H2O or NaBO34H2O). With certain organic compounds, hydrogen peroxide reacts to form hydroperoxides or peroxides, several of which are used to initiate polymerization reactions. In most of its reactions, hydrogen peroxide oxidizes other substances, although it is itself oxidized by a few compounds, such as potassium perm...
Tuesday, November 12, 2019
Review of Chinatown
Polanski’s Chinatown is a classic of 1970’s cinema, as it tells a tale of murder, due to greed and the political issue of the drought in California. Jack Nicholson, who superbly plays the character of Jack Gittes, is a detective who investigates matters considering adultery. A woman by the name of Evelyn Mulwray insists that her husband is having an affair, asking for Mr. Gittes to find out the truth, although it is not until later on when the photos of Mr. Gittes and a lady have been released into the media that he realises the lady was an imposter. Evelyn Mulwray who is played by the renowned, Faye Dunaway, plays a character that is mentally unstable, although portrays herself as being strong and powerful. Jack Gittes becomes infatuated with the mystery of the murder and the water project, in which he begins to see holes in the lies being fed to him as he searches for answers. As he and widowed Evelyn grow closer, so does the truth and a resolution. Through this Polanski keeps his viewers on their seats, as they watch this thriller, as they along with Jack Gittes try to piece together the truth. Polanski portrays the aura of the era with sophistication, weaving music and a great choice of settings to give the viewer a feel of the time and culture. The clothing, the cars, the constant habit of smoking gives a picture of Los Angeles, California in the 1940’s and how it has evidently changed to today’s culture and society. Throughout the movie the viewer is able to grasp numerous issues that are still apparent today, particularly corruption and greed and the way in which people’s decisions are influenced by them. The role and status of women is pointed at throughout the film, with Mrs. Evelyn Mulwray acting as a figure of feminism, in freely having affairs and taking the reins when it was required of her. Her turning point in the film shows her strength as a woman, even though being raped by your own father would be mentally disturbing in every nature. In this scene the viewer is represented with the ideas of cunning men in a patriarchal society and how this was abused. Noah Cross: Katherine! I, I'm your grandfather, my dear. I'm your grandfather.
Sunday, November 10, 2019
1450-1750 Ap World History Essay
Technology, Demography, and the Environment 1450-1750 The main trend relating to technology, demography, and the environment from 1450 to 1750 are †¦ Some of the most influential new technologies were guns, improved shipbuilding, and better navigational devices. The invention of guns would forever change the way wars were fought. Instead of swords, bows and arrows, or lances, guns would emerge as the dominant global weapon. They were lighter than cannons and more efficient than bows and arrows. They were also effective as a long or short range weapon. Guns were essential to the expansion of the Islamic empires that raised during this time period, hence the title Gunpowder Empires. Guns were also important in the West African slave trade. Many Africans would trade other Africans to the Europeans in exchange for guns. The minor trends are seen as Shipbuilding technologies also became better during this time. The increased cross-cultural interaction led to a combination of shipbuilding technologies from many countries. There were many advantages to the new styles of ship building, including the fully rigged ship, the more economic and more streamlined â€Å"caravel†ship design, the sternpost rudder, and lateen sails. All of these improvements from the culminated technology of many civilizations made ships sturdier, more maneuverable, faster, and cheaper to build. Navigation also improved in the Early Modern Age. Likewise, another minor trend was maps and charts that became more accurate and navigational instruments became easier to use. The ease of navigation made people more prone to exploring. This contributed to the increased water traffic seen in this time period all around the world. This image represents the main trend of technology, demography, and environment from 1450 to 1750 because shipbuilding was used as an advantage for faster transportation. Key Words: caravel, ships, bow & arrow, guns Culture 1450-1750 The main trends relating to Culture from 1450 to 1750 are for elite culture in China, their main religion was neo-Confucianism because it was considered an intellectual religion which caused a lot of patriarchy. As for the pop culture in china, they had a development of novels and fiction which caused higher literacy rates for the middle class. The upper class looked down on it which caused a division of culture. In China, they isolated themselves from any other culture. They continued to trade, but only set up one port for trade with the Europeans. They traded their own items, but wouldn’t accept anything but silver from Spain, which eventually caused them to go bankrupt The popular culture was interested in floating worlds which are cities of entertainment. These worlds lead to the obsession of new theatres, poetry, and Dutch learning. The elite culture became interested in native learning, Shintoism, and native learning. They also tried to get rid of all outside influences besides Japanese. In Japan, they also isolated themselves from other influences. However, the only country they allowed in Japan was the Dutch, who were allowed in Nagasaki and developed Dutch Learning. They allowed the Dutch in because they wanted to also keep up with European advancements. The minor trends are seen as the elite culture was based off of western European style culture. They cut off all the men’s beards and learned manners due to the visits from Peter the Great. As for the popular culture, they kept old style Russian traditions. This image represents the main trend of Culture from 1450 to 1750 because of Neo Confucianism in China. Key Words: Shintoism, neo-confucianism Politics 1450-1750 The main trends relating to Politics from 1450 to 1750 are Three new empires: the Ottoman, the Safavid, and the Mughal – rose between 1450 and 1750, and collectively they supported a new flowering of Islamic civilization. However, competition between them also led to important political divisions and military clashes. All three originated in the Turkic nomadic cultures of the central Asian steppe, and they all had absolute monarchs who modeled their courts on those of earlier Islamic dynasties. The Ming Emperors continued to rule China until the mid-1600s, but the dynasty was in decline for many years before that. Although its cultural brilliance and economic achievements continued until about 1600, China had some of the same problems that the Muslim empires had: borders difficult to guard, armies expensive to maintain, and transportation and communication issues. The minor trends are seen as The Ottoman Empire was one of three Islamic Gunpowder Empires that arose in Eurasia during the Early Modern period. This empire had very distinct political and social traditions. The Ottoman Empire was a military creation, like most empires. They also conscripted the sons of conquered peoples for use in their army, and these people were called Janissaries. When the Ottomans conquered Egypt, they also gained a powerful navy, making the Ottoman Empire even more of a militaristic power. The political structure of the empire placed the emperor at the top. The emperor owned and distributed all land and had the power to hire and fire officials at will. To try and avoid succession problems, the Ottomans kept their empire tightly centralized and gave emperors power to kill off his brothers. Likewise, another minor trend is Political dynamics: In Japan from the twelfth to the sixteen century a â€Å"shogun†or a military governor: ruled Japan through retainers we received political rights and large estates of land in exchange for their military services. The emperor was merely a figurehead with the shoguns having the real power.
Thursday, November 7, 2019
33 Writing Terms You Should Know
33 Writing Terms You Should Know 33 Writing Terms You Should Know 33 Writing Terms You Should Know By Simon Kewin As with all activities, writing fiction involves getting to grips with professional jargon. The following are some of the more common terms you may come across as you learn your craft and market your writing. POV (Point of View): the eyes through which the events of a story are seen. MC: The main character in a story. WIP (Work in progress): the thing you are currently working on. Simsub (Simultaneous submission): submitting the same piece of work to more than one magazine/publisher at the same time. Multisub (Multiple submission): sending more than one work to the same magazine/publisher at the same time. MG (Middle Grade): generally speaking, readers between 8 and 12 years old. YA (Young Adult): generally speaking, readers between 12 and 18 years old. MS/MSS: MS means manuscript. MSS is the plural, manuscripts. GL: Guidelines, describing what a publisher is interested in seeing. DL: Deadline: the cut off-date for a submission. Query Letter: A concise (one-page) pitch of an idea to an agent/publisher, to see if they are interested in reading a manuscript. Bio: Biographical details as supplied to an agent or publisher, including, for example, any previous writing credits. Slush/Slushpile: A pile, often large, of unsolicited manuscripts sent to a publisher or editor. Beta Reader: A secondary reader (after the writer) who checks a work with a view to spotting mistakes or suggesting improvements. Copy Editor: Someone who edits a manuscript for grammatical mistakes as well as spotting plot inconsistencies etc. Proof Reader: A person who checks that the proof of a work (the version ready for printing) matches the original manuscript. NaNoWriMo: National Novel Writing Month actually fairly international these days. Participants attempt to write a complete novel in one month (November). The following are the definitions of the lengths of short stories, novels etc. employed by the Science Fiction Writers of America. Others may use different definitions. Short Story: A work under 7,500 words Novelette: A work of between 7,500 and 17,500 words Novella: A work of between 17,500 and 40,000 words Novel: A work of 40,000 words or more Flash Fiction: Very short fiction. Definitions vary, but less than 1,000 words and can be as short as 100 words or even less. Twitter Fiction : Fiction short enough to fit into a Tweet, i.e. up to 140 characters long. Finally, the following are some of the abbreviations you may come across to describe the various genres of fiction: SF: Science Fiction (or Speculative Fiction). HSF: Hard Science Fiction SSF: Soft Science Fiction F: Fantasy EF: Epic/High Fantasy DF: Dark Fantasy UF: Urban Fantasy MR: Magical Realism H: Horror GH: Gothic Horror Reference links: Science Fiction Writers of America NaNoWriMo (National Novel Writing Month) Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Fiction Writing category, check our popular posts, or choose a related post below:100 Beautiful and Ugly WordsConfusing "Passed" with "Past"How to Style Legislative Terms
Tuesday, November 5, 2019
Authors Tone Worksheet 1
Author's Tone Worksheet 1 On most major reading comprehension tests, youll see a question or two related to figuring out the authors tone along with other reading comprehension skills such as finding the main idea, understanding vocabulary in context, determining the authors purpose and making inferences. But before you jump into this authors tone worksheet, first, read about what authors tone really is and three of the tricks you can use to determine the authors tone when you dont have a clue. Feel free to use these free printable pdf files for your own educational use, too: Authors Tone Worksheet 1 | Authors Tone Worksheet 1 Answer Key PASSAGE 1: An excerpt from H.G. Wells The Invisible Man THE STRANGER came early in February one wintry day, through a biting wind and a driving snow, the last snowfall of the year, over the down, walking as it seemed from Bramblehurst railway station and carrying a little black portmanteau in his thickly gloved hand. He was wrapped up from head to foot, and the brim of his soft felt hat hid every inch of his face but the shiny tip of his nose; the snow had piled itself against his shoulders and chest, and added a white crest to the burden he carried. He staggered into the Coach and Horses, more dead than alive as it seemed, and flung his portmanteau down. â€Å"A fire,†he cried, â€Å"in the name of human charity! A room and a fire!†He stamped and shook the snow from off himself in the bar, and followed Mrs. Hall into her guest parlour to strike his bargain. And with that much introduction, that and a ready consent to terms and a couple of coins flung upon the table, he took up his quarters in the inn. 1. What does the author most likely want to convey through the use of the phrase â€Å"ready consent to terms and a couple of coins flung upon the table?                A. The strangers lack of manners and thoughtfulness.                B. The strangers desire quickly get to his room.                C. The strangers greediness in bartering.                D. The strangers discomfort. PASSAGE 2: An excerpt from Jane Austens Pride and Prejudice IT is a truth universally acknowledged, that a single man in possession of a good fortune must be in want of a wife.          However little known the feelings or views of such a man may be on his first entering a neighbourhood, this truth is so well fixed in the minds of the surrounding families, that he is considered as the rightful property of some one or other of their daughters.             ‘My dear Mr. Bennet,’ said his lady to him one day, ‘have you heard that Netherfield Park is leased at last?’      Mr. Bennet replied that he had not.             ‘But it is,’ returned she; ‘for Mrs. Long has just been here, and she told me all about it.’            Mr. Bennet made no answer.         ‘Do not you want to know who has taken it?’ cried his wife, impatiently.         ‘You want to tell me, and I have no objection to hearing it.’                  This was invitation enough.             ‘Why, my dear, you must know, Mrs. Long says that Netherfield is taken by a young man of large fortune from the north of England; that he came down on Monday in a chaise and four to see the place, and was so much delighted with it that he agreed with Mr. Morris immediately; that he is to take possession before Michaelmas, and some of his servants are to be in the house by the end of next week.’              ‘What is his name?’          ‘Bingley.’              ‘Is he married or single?’                ‘Oh, single, my dear, to be sure! A single man of large fortune; four or five thousand a year. What a fine thing for our girls!’                 ‘How so? How can it affect them?’              ‘My dear Mr. Bennet,’ replied his wife, ‘how can you be so tiresome? You must know that I am thinking of his marrying one of them.’                ‘Is that his design in settling here?’             ‘Design? Nonsense, how can you talk so! But it is very likely that he may fall in love with one of them, and therefore you must visit him as soon as he comes.’ 2. The authors attitude toward mothers trying to arrange marriages for their daughters could best be described as: A. accepting of the notion B. irritated with the notion C. astonished by the notion D. amused by the notion 3. What tone is the author most likely trying to convey with the sentence, It is a truth universally acknowledged, that a single man in possession of a good fortune must be in want of a wife.                A. satiric                B. scornful                C. reproachful                D. weary PASSAGE 3: An excerpt from Edgar Allen Poes The Fall of the House of Usher DURING the whole of a dull, dark, and soundless day in the autumn of the year, when the clouds hung oppressively low in the heavens, I had been passing alone, on horseback, through a singularly dreary tract of country, and at length found myself, as the shades of evening drew on, within view of the melancholy House of Usher. I know not how it was- but, with the first glimpse of the building, a sense of insufferable gloom pervaded my spirit. I say insufferable; for the feeling was unrelieved by any of that half-pleasurable, because poetic, sentiment, with which the mind usually receives even the sternest natural images of the desolate or terrible. I looked upon the scene before me- upon the mere house, and the simple landscape features of the domain- upon the bleak walls- upon the vacant eye-like windows- upon a few rank sedges- and upon a few white trunks of decayed trees- with an utter depression of soul which I can compare to no earthly sensation more properly than to the after- dream of the reveller upon opium- the bitter lapse into every-day life- the hideous dropping of the veil. There was an iciness, a sinking, a sickening of the heart- an unredeemed dreariness of thought which no goading of the imagination could torture into aught of the sublime. What was it- I paused to think- what was it that so unnerved me in the contemplation of the House of Usher? 4. Which of the following choices provides the best answer to the authors final question posed in the text, while maintaining the tone of the article? A. It could be that Id fallen into a nightmare without knowing it. B. It had to be the dreariness of the day. Nothing about the house itself was particularly depressing. C. The solution defied me. I couldnt get at the heart of my displeasure. D. It was a mystery I couldnt solve; nor could I grapple with the shadowy fancies that crowded upon me as I pondered. 5. Which emotion is the author most likely trying to rouse from his reader after reading this text?                A. hatred                B. terror                C. apprehension                D. depression
Sunday, November 3, 2019
It Week8 Assignment Example | Topics and Well Written Essays - 500 words
It Week8 - Assignment Example However, the old network, IPv4, cannot be done away with until the transition period is complete (Venkata et al., 2012). The benefits that IPv6 offers surpass the limitations that IPv4 has. For instance, the new IPv6 makes it possible to have a plethora of IP addresses as opposed to IPv4. The burgeoning protocol has 128 bit addresses as compared to IPv4, which only has 32 bit addresses. The bit addresses that IPv6 uses enable the availability of numerous IP addresses. In addition to this, IPv6 eradicates the need for network address translation (NAT) which is present in IPv4 resulting in better peer-peer networks connectivity. Further, IPv4 presents security issues, which IPv6 eliminates as it promotes interoperability between myriad implementations (Venkata et al., 2012). Venkata, P., Reddy, P., Mohammed, K., Ali, I., Sandeep, B., & Ravi, T. (2012). Importance and benefits of IPV6 over IPV4†¯: a study. International Journal of Scientific and Research Publications, 2(12), 1-2. Data Definition Language (DDL) refers to statements that define the schema or database structure. For instance, CREATE – creates objects, ALTER – alters the database structure, DROP – deletes objects, COMMENT – adds comments to the dictionary of date, and RENAME – Renames database objects. DML refers to Data Manipulation Language, which are simply statements that manage data within schematic objects. For instance, SELECT – helps in retrieving data, UPDATE – updates data already present in a table, and CALL – Calls Java or PL/SQL. Data Control Language (DCL) includes commands such as GRANT. It mostly deals with permissions, rights, and additional controls of the database. SQL Server 2012 relies on the above SQL commands for interaction. Transact-SQL presents as central in sending and receiving communication with the SQL server (Microsoft, 2006). Distributed File System (DFS) enables administrators to make a group of shared
Friday, November 1, 2019
Corporate governance Essay Example | Topics and Well Written Essays - 2750 words - 1
Corporate governance - Essay Example A staff of executives used of the American energy company. This prompted the adoption of the Corporate and Auditing Accountability, Responsibility and Transparency Act (commonly known as the SOX). Essentially, the Act was to mandate reforms that would fight corporate accounting fraud by enhancing corporate responsibility and financial disclosures. Further, for the sake of overseeing auditors, the Public Companies Accounting Oversight Board was also created by the Act. This paper will discuss the Enron case and research academic literature to evaluate the amendments to the code/legislation and determine whether they will resolve the issues of corporate governance as well as assessing the effectiveness of the changes. For the purpose of discussion, an overview of the Enron Scandal and the Sarbanes-Oxley Act will be given, followed by the evaluation of amendments to the code/legislation. The most notable causes of Enron’s downfall were associated with corporate governance, revenue recognition, special purpose entities and mark-to-market accounting. When the sale of natural gas was deregulated via legislation passed by Congress, Enron increased its prices and soon became the North America’s largest seller by 1992, earning $122 million before taxes and interest. However, poor financial reporting and accounting loopholes were used by the chief executive officer and the chief financial officer to conceal billions of dollars that had accrued as debt from projects and deals that had failed. Eventually, this led to the bankruptcy as the company executives continuously misled the audit committee and board of directors on matters concerning high-risk practices of accounting. Further, they also pressured their auditors, Arthur Andersen, to ignore such matters. Enron reported the entire value of all trades it conducted as revenue as opposed to reporting the cost of the products as the cost of goods sold and selling price as revenue (Salter 2008, p. 104). This aggressive
Subscribe to:
Posts (Atom)