Political Issues with the Current Immigration Essay Example for Free

Political Issues with the Current Immigration Essay â€Å"In the wake of the Civil Rights Act of 1964, Congress passed the Immigration Act of 1965. This new law abolished the national origins quota system and barred racial considerations from expressly entering into decisions about immigrant visas; it also imposed for the first time a ceiling (120,000) on migration from the Western Hemisphere.† (Johnson, 2006). Historical Framework for the Issue of Illegal Immigration Towards the end of the 19th century, Congress passed the first immigrant exclusion law restricting criminal and prostitutes, and followed up with the Japanese, Asian and Chinese. Even with this law in place the immigration still reached a record high of 1.3 million personnel in 1907. In 1965, Congress then passed the Immigration and Nationality Act amendments that ended the quota and initiated the concept of family sponsored immigration. In 1987, Congress enacted the Immigration Reform Control Act (IRCA) which authorized two programs to identify and legalize illegal immigrants who are able to document their entry into the U.S. prior to 1 January 1982 (America.gov Archive, 2003). The immigration migration is a phenomenon of crucial importance to the United States as long as the immigration guidelines and procedures are followed, but with the vast number of amendments being reconstructed and enacted by Congress, on almost a daily basis this put additional strain on our border patrol, government agencies, and our military forces who have been tasked to assist in the protection of the U.S./Mexico border alongside the local police officers. On October 1, 2004, Mr. Jim Gilchrist, U.S Vietnam Marine veteran, founded the multi-ethnic Minuteman Project after he had been frustrated dealing with the United States Government to enforce the immigration laws. The Minutemen, who formed the name from militiamen who fought in the American Revolution, has described themselves as â€Å"a citizen’s neighborhood watch on our border†,  and have continued to get the media attention on dealing with the illegal immigration issue plaguing the United States. The Minutemen organization has portrayed more of a negative connotation rather than the positive that they had initially strived for. On May 25, 2005 there was the Garden Grove Incident dealing with protestors. On October 4, 2006 they had the Columbia University incident where their stage was stormed by student protestors. The T-Shirt incident on April 6, 2005 in which minutemen had an old man poses with a racial discrimination T-shirt, and in August 2007 there was a fake murder video published by the organization (Sanchez, 2011). Even with this negativity, on April 28, 2005, California governor Arnold Schwarzenegger praised the Minutemen Project on a Los Angeles radio station KFI. The issues of the constant illegal immigration border crossings, violence and murders on the borders of the immigrants and law enforcements officers, the immigration laws will continue to be pushed through Congress in order to keep our borders safe and ensure the diverse cultures visiting the United States are entering with the appropriate documentation instead of through the desert with a backpack, bottles of water, and for some, with bags of drugs. Is the Media Portrayal of biased or unbiased Illegal Immigration? On October 6, 2010, Janet Napolitano, Secretary of the Department of Homeland Security, announced that record numbers of deportations of criminal aliens, declaring that these figures have demonstrated that President Obama’s administration is focused on enforcing our immigration laws that prioritizes public safety a nd national security. One of the political issues on July 7, 2011, according to Treasury Inspector General for Tax Administration (2011), a memorandum was published entitled â€Å"Individuals Who Are Not Authorized to Work in the United States Were Paid $4.2 Billion in Refundable Credits† which is also the entire product of the Additional Child Tax Credit (ACTC) for the 2010 tax processing year (Impact on Taxpayers). Illegal immigration laws that are in place are not only bottlenecking the system, becoming costly to taxpayers and increasing the deficit, but the ranchers along the border are either having the illegals trespassing onto their land, destroying their fence line along the property, and on a few occasions ranchers have been killed. Mr. John Ladd, a rancher on the Southern border of Arizona, has a ranch sprawling over 14,000 acres between Mexico border and state highway 92. His ranch is the major corridor  for the smuggling of drugs and human beings into the United States. The border pat rol makes frequent arrests on the ranch, but most of those are released back into Mexico where they regroup and try again until they are successful (Gisorg, 2010). On average, one mile of border fence costs US taxpayers $4 million. Is it worth the expense? The measurements of this fence is 21 feet (6.4m) tall and 6 feet (1.8m) embedded into the ground, and cemented in a 3 foot (.91m) wide trench. With all of this material, manpower, monetary cost and security, on December 16, 2010, a video was shot showing two young American students visiting the border and on their first try, these girls made it to the top of the fence in less than eighteen seconds. How much time do you think it will take if you visit the beach of Tijuana and just swim out to the fence line and cross over? Does the public’s perception encourage or discourage prejudice, labeling or stereotyping? There are media commentaries that intentionally sensationalize the story being reported; it all depends on where their station ratings stand. Even unintentional biased reporting can be portrayed depending on what the listener’s views are on immigration. I cannot justify what their true intentions are, but as a viewer there are times when my perception is that they are not telling the full story, or the story is biased to the side of the populace majority. One of the best media outlets I’ve come across depicting the conflict between bordering countries was by the Coca-Cola Corporation. Two guards who are patrolling their border, walking back and forth along a stretch of about 15 feet with hatred and discontent showing on their faces not uttering a word. What brought these two cultures to a brief truce was a 16oz bottle of Coca-Cola (Gisorg, 2010). Even In the portrayal of the movie ‘Borders’ which depict the immigration issues with Mexico and the United States. Chris Burgards award winning television series takes an impartial look at the agonizing and complex issue of our southern U.S. border. This film fosters debate, open discussion, and hopefully a more balanced outlook towards a national problem that has polarized our nation.† (Rick Dixon, Star Tribune, 2011). During the viewing, you may perceive that all Hispanics are probably in this country illegally, drug runners or coyotes. This actually encourages hatred of most Hispanics because they are perceived the same as terrorist in this land. This show demonstrates how individuals should be fighting again crime and illegal immigration of all  types, and the question you should be asking yourself is if you believe in your government, and what is the true border between justice and crime. Does this issue affect the U.S. economy and labor force? Presently illegal immigrants arriving into country are taking advantage of the job workforce that average Americans deem beneath them. They are willing to take on those jobs that we perceive as demeaning, and underpaid. Due to this immigration issue, the United States, as paid over $4.2 billion dollars towards labor for the illegal immigrants and over $100 billion each year on medical, housing and education. According to the Arizona state treasurer Dean Martin, they are losing between $1.3 and $2.5 billion each year on illegal immigrant on incarceration, education and their families. This does not account for the legal services that are provided through the court system. As a manager, what inclusion strategies would be implemented? When dealing with the issues of illegal immigration and the media coverage as a manager, there are strategies that can be utilized to foster a collaborative working environment for employees. Coordinate with Human Resources to schedule diversity and equal opportunity training, plan a quarterly cultural luncheon/potluck, and during each holiday ensure there are decorations representing every culture in your organization and allow those individuals to explain what each trinket means. When dealing with stereotyping, encourage employees to ask questions concerning that cultural difference they don’t understand or have perceptions about. Most organizations will have a media device placed in the office, and employees will hear of negative connotations dealing with the diverse groups around the United States. If listening to these stories makes you stop and think, then it will also make you wonder about that culture. Not all individuals in are the same, and not all cultures are radical, illegal immigrants or a threat. Conclusion The media is the media is the media. As long as there is conflict it will be reported to the masses. Illegal immigrants and immigration laws are tied to the hip and will always be part of society and culture. Unless the United takes a lesson from the 1981 television show called ‘Escape from New York’,  produced by John Carpenter, place a twenty-five foot solid cement wall that is fifteen feet thick around the state. There will always be illegal immigrants either from Mexico, Cuba, and other countries seeking domicile in the United States. References America.gov Archive. (2003). The Immigration Act of 1965. Retrieved from http://www.america.gov/st/educ-english/2008/April/20080423214226eaifas0.9637982.html Canoy, M., Beutin, R., Horath, A., Hubert, A., Lerais, F., Smith, P., Sochacki, M. (2006, September 10). Migration and public perception. Retrieved from http://ec.europa.eu/dgs/policy_advisers/publications/docs/bepa_migration_final_09_10_006_en.pdf Gemano, R. P. (2010, December 16). 2 Girls Undermine US Border Strategy in Under 18 Seconds [Video file]. Retrieved from YouTube website: http://www.youtube.com/watch?v=XHjKBjM1ngwfeature=related Gisorg. (2010, August 9). Gaming the Border: A Report from Cochise County, Arizona [Video file]. Retrieved from YouTube website: http://www.youtube.com/watch?v=iRof_dizXH4 Johnson, K. R. (2006). The History of Racial Exclusion in the US Immigration Laws. Retrieved from http://academic.udayton.edu/race/02rights/immigr09.htm Morgenstern, M. (2011). TheBlaze. Retrieved from http://www.theblaze. com/stories/govt-audit-illegal-immigrants-received-4-2-billion-in-tax-credits-last-year/ Pemberton, J. S. (2011, February 3). Coca-Cola Border [Video file]. Retrieved from YouTube website: http://www.youtube.com/watch?v=k-STkFCCrus Sanchez, C. (2011). HATEWATCH. Retrieved from http://www.splcenter.org/blog/2007/08/13/new-video-appears-to-show-vigilante-border-murder/ Treasury Inspector General for Tax Administration. (2011). Individuals Who Are Not Authorized to Work in the United States Were Paid $4.2 Billion in Refundable Credits. Retrieved from http://Individuals Who Are Not Authorized to Work in the United States Were Paid $4.2 Billion in Refundable Credits

Economics Of The Music Industry Economics Essay

Economics Of The Music Industry Economics Essay The Industry has reacted very badly to the consumption of CD sales. Many people blame the decline of CD sales on illegal file sharing and downloads but also to be considered is the way that CDs have been distributed and marketed over the last few years. Some of the reasons could include non competitive pricing of CDs, reduced number of shops stocking them and some of the major labels unwillingness to experiment with other form of entertainment industry such as video games and DVDs which hold a considerable force on the industry.  [1]  The competition from other media such as the gaming industry has also affected CD sales. EA (Electronic Arts) is incorporating music and cinema experiences into the games themselves  [2]  . Piracy through CD burning has affected the sales badly unlike other industries such as the software and gaming industry which is forever updating itself. The CD has been around for over 20 years now and the music industry has not been so fast to keep reinventing itself and has fallen behind in the technology race. Whilst Physical sales are falling there has been an increase of ticket sales at concerts and festivals and revenues have grown. In 2009 a report was released by the Performing Rights Society showing the retail value of recorded music fell 6% whilst live revenues grew 13%.  [3]  David Kusek describes this as a good thing for the industry as only 4 percent of records ever sold enough copies to break even.  [4]  The result in the increase of demand for live music could be down to the record industries obsession with marketing and huge profit margins and has gradually become detached from its artists and consumers. Where as generally live music promoters and agents have always been closer to the artists and their audiences  [5]   The relationship between artist, consumer and label is changing due to technology and the internet and this has affected the way in which music can be distributed. The relationship between the artist and label can be difficult. Music labels sometimes edit the artwork or the title of a song, much to the frustration of the artist. The artists have turned to the Internet and the role of labels is becoming increasingly diminished, as artists are able to freely distribute their own material through file sharing, web radio, and other peer to peer services, for little or no cost.  [6]  Bigger artists have ended their contracts. Radioheads problems with their label in 2007 ended with them releasing their album on their own and subsequently released as a pay what you want sales model as an online download.  [7]   The relationship has also changed between artists and consumers. Through the internet fans are now a lot closer to the favourite artists. For example, Tom Delonge, an American Rock musician created a website called Modlife.com which allows uses to connect to bands, artists and personalities using live video broadcasts, text messaging, video blogs, mobile updating and twitter feeds.  [8]   The digital transformation has had a huge impact in the way artist merchandise is sold. The internet can now be use to sell merchandise directly marketed towards the fans. Before the internet, merchandising was selling hats and shirts to a long queue of fans at a venue, but now products are directly related to current fashions and culture. For example Grindstore.com specifically directs is merchandise towards fans of rock music and states it is able to offer the most comprehensive range of male and female music merchandise from all over the world  [9]  Grindstore features clothing from bands such as Greenday, Metalica, Slipknot and Motorhead all in one place. Other similar companies such as the American based Hottopic.com are a multi million dollar company showing revenue over twelve months ending July 31, 2009 was $768,200,000, a 4.52% increase from the previous year.  [10]  This just proves the power of music merchandising and direct marketing using the internet. For the music industry it is a hard task safeguarding existing sources of income and finding ways of developing new ways of income. One solution to safeguarding the future of music industrys income is through a change in the way which music is licensed. One way might be through a small fee that allows users to freely download all music. This could be through a tax which is payable on media products such as mp3 players, Ipods etc or through a blanket licence similar to that of the British Broadcasting Cooperation which is charged to all United Kingdom households, companies and organisations using any type of equipment that can receive and play music. These possibilities could be created by the record companies or part government intervention. I think this will be one of the best ways to create a source of income as it is becoming increasingly harder to police the web for illegal downloads. Another possibility in creating a new source of income is to become more precise in which the PRS collects royalties through the advances of the internet by creating a framework. Currently royalties collected from restaurants for example rely upon human estimations and averages and no consideration is made for the diversity of music played in different types of venues. The use of digital technology could help this to be more accurate. To conclude, I have discussed how the UK music industry has reacted to current changes in consumption and distribution with specific analysis to how the industry has reacted badly to the decline in CD sales but the consumption of live music has increased. I have shown how direct marketing and merchandising by companies like grindstore.com is creating big profits for the music industry through the use of the internet. Through the changing relationships between artist, label and consumer I have shown how music distribution is changing and how due websites such as modlife.com fans are ever closer to their artists. Finally I have demonstrated ways in which the music industry can safeguard their revenues such as a blanket licence or by creating new ways in which royalties are collected.

Andrew Carnegie Essays -- essays research papers

A man of Scotland, a distinguished citizen of the United States, and a philanthropist devoted to the betterment of the world around him, Andrew Carnegie became famous at the turn of the twentieth century and became a real life rags to riches story. Born in Dunfermline, Scotland, on November 25, 1835, Andrew Carnegie entered the world in poverty. The son of a hand weaver, Carnegie received his only formal education during the short time between his birth and his move to the United States. When steam machinery for weaving came into use, Carnegie’s father sold his looms and household goods, sailing to America with his wife and two sons. At this time, Andrew was twelve, and his brother, Thomas, was five. Arriving into New York on August 14, 1848, aboard the Wiscasset from Glasgow, the Carnegies wasted little time settling in Allegheny City, Pennsylvania, a suburb of Pittsburgh, where relatives already existed and were there to provide help. Allegheny City provided Carnegie’s first job, as a bobbin boy in a cotton factory, working for $1.20 a week. His father also worked there while his mother bound shoes at home, making a miniscule amount of money. Although the Carnegies lacked in money, they abounded in ideals and tr aining for their children. At age 15, Carnegie became a telegraph messenger boy in Pittsburgh. He learned to send and decipher telegraphic messages and became a telegraph operator at the age of 17. Carnegie’s next job was as a railroad clerk, working for the Pennsylvania Railroad. He worked his way up the ladder, through his dedication and honest desire to succeed, to become train dispatcher and then division manager. At this time, young Carnegie, age 24, had already made some small investments that laid the foundations of his what would be tremendous fortune. One of these investments was the purchase of stock in the Woodruff Sleeping Car Company. In 1864, Carnegie entered the iron business, but did not begin to make steel until years later. In 1873, he built the Edgar Thomson works in Braddock, Pennsylvania, to make Bessemer steel. He established many other steel plants, and in 1892, he merged all of his interests into the Carnegie Steel Company. This act from Carnegie is fitting with one of his most famous quotations, "Put all of your eggs in one basket, and then watch that basket." This firm became one of the greatest indu... ...fiting from Carnegie’s charity include various Carnegie museums of history, science, and art, Carnegie Hall in New York, and other public spirited organizations. Before 1919, when Carnegie died, he had given away $350,695,653, and at his death, the last $30 million was likewise given away to foundations, charities, and pensioners. He left a mark on society not only through his enormous monetary provisions, but also with his own literature. Carnegie loved to promote his ideas and opinions in print, and has written many works outlining these philosophies, including Triumphant Democracy (1886), The Gospel of Wealth (1900), The Empire of Business (1902), Problems of Today (1908), and an Autobiography (1920) (Mitzen 182). Although Carnegie only stood somewhere between 5’2" and 5’6", he "had to be a great, tough, disciplined giant of a man." His commitment to others is not only seen through his many munificent works, but in the way he lived, including his tombstone in the Sleepy Hollow Cemetery of North Tarrytown, New York, where the epitaph reads, "Here lies a man who was able to surround himself with men far cleverer than himself."

Solar Power Essay example -- science

Solar Power All life on Earth depends on energy from the sun. Solar energy is the source of energy for photosynthesis. It provides the warmth necessary for plants and animals to survive. The heat from the sun causes water on the Earth's surface to evaporate and form clouds that eventually provide fresh rainwater. Solar energy is the result of thermonuclear fusion reactions deep within the sun. These reactions produce so much energy that they keep the surface temperature of the sun at about 10,300B0F. Even though solar energy is the largest source of energy received by the Earth, its intensity at the Earth's surface is actually very low due to the large distance between the Earth and the sun and the fact that the Earth's atmosphere absorbs and scatters some of the radiation. Even on a clear day with the sun directly overhead, the energy that reaches the Earth's surface is reduced about 30 percent by the atmosphere. When the sun is near the horizon and the sky is overcast, the solar energy at ground level can be negligible. It also varies from one point to another on the Earth's surface. Nevertheless, in the 20th century, the sun's energy has become an increasingly attractive source for small amounts of direct power to meet human needs. A number of devices for collecting solar energy and converting it into electricity have been developed, and solar energy is used in a variety of ways. Solar energy is used to heat houses, and in many countries specially designed solar... Solar Power Essay example -- science Solar Power All life on Earth depends on energy from the sun. Solar energy is the source of energy for photosynthesis. It provides the warmth necessary for plants and animals to survive. The heat from the sun causes water on the Earth's surface to evaporate and form clouds that eventually provide fresh rainwater. Solar energy is the result of thermonuclear fusion reactions deep within the sun. These reactions produce so much energy that they keep the surface temperature of the sun at about 10,300B0F. Even though solar energy is the largest source of energy received by the Earth, its intensity at the Earth's surface is actually very low due to the large distance between the Earth and the sun and the fact that the Earth's atmosphere absorbs and scatters some of the radiation. Even on a clear day with the sun directly overhead, the energy that reaches the Earth's surface is reduced about 30 percent by the atmosphere. When the sun is near the horizon and the sky is overcast, the solar energy at ground level can be negligible. It also varies from one point to another on the Earth's surface. Nevertheless, in the 20th century, the sun's energy has become an increasingly attractive source for small amounts of direct power to meet human needs. A number of devices for collecting solar energy and converting it into electricity have been developed, and solar energy is used in a variety of ways. Solar energy is used to heat houses, and in many countries specially designed solar...

American Imperialism :: American America History

American Imperialism American Imperialism has been a part of United States history ever since the American Revolution. Imperialism is practice by which powerful nations or people seek to expand and maintain control or influence over weaker nations or peoples. Throughout the years there has been many instances where the Americans have taken over other people countries, almost every time we go into we have taken over a new piece of land. The Americas first taste of imperialism came about five hundred years ago when Columbus came to America. We fought the pleasant inhabitants and then took over their land making them slaves. Americans over the years have been known to become almost selfish, no matter how much we have we will never be happy until we control the free world. "The Monroe Doctrine of 1823 defined United States foreign policy in the Americas for the rest of the 19th century and beyond. It declared that the United States had an interest in the Western Hemisphere and the European powers must not meddle in the affairs of any developing nations there. The United States was a young nation in 1823 and did not really have to powers to back up the Monroe Doctrine. However, the policy was used to justify the sending of the U.S. troops into Mexico in 1866 (to intimidate the French) and the purchased of Alaska in 1867". Another case of Imperialism was the United States industrial economy was growing so fast that they were producing more goods than they could consume. The over abundance of industrial goods led the United States to look for new markets. Next came the Spanish-American War, which started with the Americans not liked the way that the Spaniards were treated the Cubans. After this an U.S. battleship (Maine) was docked outside of Havana (Cuba 's Capital) and all of a sudden exploded from under the sea. At the time no one actually knew the real reason why the ship exploded but many Americans thought that it was the Spaniards. 266 officers and men were lost in the explosion. William McKinley (U.S. President 1897-1901) went to congress and asked for permission to send troops to help stop the fighting in Cuba. After a couple of days he was given permission which shortly led to war. Spain declared war on the United States on April 24th followed by an U.S. declaration of war on the 25th.

A Levels

w w ap eP m e tr .X w *6364028069* 9701/05 CHEMISTRY Paper 5 Planning, analysis and evaluation October/November 2007 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions. You are advised to show all working in calculations.Use of Data Booklet is unnecessary. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. For Examiner’s Use 1 2 Total This document consists of 9 printed pages and 3 blank pages. SPA (NF/CGW) T30933/8  © UCLES 2007 [Turn over om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL E XAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level 2 1 The hydroxides of Group I metals (LiOH, NaOH, KOH, RbOH, CsOH) are highly corrosive white solids which rapidly absorb water vapour on exposure to the atmosphere.All of these solids dissolve exothermically in water. The enthalpy change of solution, ? Hsoln, is the energy change associated with the following reaction. M represents the Group I metal. M +(aq) + OH–(aq) M OH(s) + (aq) The following diagram represents theoretical stages in the formation of aqueous MOH. M +(g) + OH-(g) + (aq) lattice energy hydration enthalpy of the ions H hydration M OH(s) + (aq) H soln M +(aq) + OH-(aq) Lattice energy and hydration enthalpy are both more exothermic when ions carry a higher charge and/or ions have a smaller radius. When comparing Group I hydroxides, changes in ?Hhydration are more significant than changes in lattice energy. (a) By considering trends in the size and charge of the ions, pred ict the likely trend in ? Hsoln from LiOH to CsOH and sketch your prediction. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Hsoln LiOH NaOH KOH RbOH CsOH [2]  © UCLES 2007 9701/05/O/N/07 For Examiner’s Use 3 (b) The enthalpy change of solution, ? Hsoln, for any Group I hydroxide can be measured For Examiner’s Use experimentally in the laboratory. In experiments to compare ? Hsoln for LiOH, NaOH, KOH, RbOH, CsOH state the independent variable †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ , the dependent variable †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. the other variable to be controlled †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. . [3] (c) Draw a labelled diagram to show the apparatus you would use to obtain data from which ? Hsoln could be determined. From the information given on page 2 and the apparatus you plan to use, identify two possible sources of error in the experiment and state how you would minimise the effect of each. rror 1 †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚ ¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ error 2 †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ [3] d) Identify a health and safety risk in the experiment and explain how you would minimise it when carrying out the experiment. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚ ¬ ¦Ã¢â‚¬ ¦ [2]  © UCLES 2007 9701/05/O/N/07 Turn over 4 (e) Describe the procedure you would carry out to find the enthalpy change of solution, ? Hsoln, for one of the Group I hydroxides. Your plan should give a step-by-step description of the method, including †¢ how you would measure the independent variable, †¢ how you would measure the dependent variable, †¢ appropriate masses and volumes of reagents. The following data may be of use in planning the detail of your experiment. Ar: Li, 6. 9; Na, 23. 0; K, 39. 1; Rb, 85. 5; Cs, 133. 0, O, 16. 0; H, 1. 0 4. 3 J are required to raise the temperature of 1. cm3 of any solution by 1 °C. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ 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[4]  © UCLES 2007 9701/05/O/N/07 For Examiner’s Use For Examiner’s Use 5 (f) The procedure is repeated for each of the Group I hydroxides. Show how you would tabulate the results for all the experiments. [1] (g) Show how you would use the results of one experiment to calculate the enthalpy change of solution, ? Hsoln, for the reaction. [1] [Total: 16]  © UCLES 2007 9701/05/O/N/07 [Turn over 6 2Students were asked to investigate how the rate of reaction between magnesium ribbon and hydrochloric acid varied with change in concentration of the acid. 2HCl(aq) + Mg(s) MgCl2(aq) + H2(g) Student 1, looking at the equation, suggested the following. rate of production of hydrogen gas = k[HCl ]2 This student used the following apparatus to investigate the rate of production of hydrogen gas, H2. gas syringe magnesium ribbon dilute hydrochloric acid The student used a 500 cm3 measuring cylinder to measure 100 cm3 of dilute acid into a conical flask. A 1 cm length (0. 1 g) of magnesium ribbon was dropped into the acid in the flask and the stopper quickly replaced in the flask. The stop-clock was started and the volume of gas collected was measured at 0. 5 minute intervals. The results of the experiment were recorded as shown in the table below. time / min time / min volume of H2 / cm3 0. 5 15. 5 5. 5 80. 0 1. 0 25. 0 6. 0 82. 5 1. 5 34. 0 6. 5 85. 0 2. 0 43. 0 7. 0 87. 0 2. 5 51. 0 7. 5 87. 5 3. 0 59. 0 8. 0 91. 0 3. 5 65. 0 8. 5 92. 5 4. 0 69. 5 9. 0 93. 5 4. 5 74. 0 9. 5 94. 5 5. 0  © UCLES 2007 volume of H2 / cm3 75. 0 10. 0 95. 0 9 701/05/O/N/07 ForExaminer’s Use For Examiner’s Use 7 (a) Plot a graph of volume of hydrogen produced against time. [2] (b) Identify clearly on your graph any anomalous readings and suggest a reason for these anomalous readings. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ [1] (c) On the graph you have plotted, construct a line from which you can calculate the initial rate of reaction.Calculate the initial rate of reaction and show your working. initial rate = †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. cm3 min–1 [2]  © UCLES 2007 9701/05/O/N/07 [Turn over 8 (d) By considering the experimental method described, explain why the plotted line does not pass through 0,0. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ 1] (e) Identify a further source of error in the method describ ed and suggest a change to the method to reduce this error. †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚ ¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ 1] (f) Students 2-8 carried out similar experiments with different concentrations of acid. The initial rate of reaction was calculated for each of their experiments and is shown in the table below. Enter in the table the initial rate you have calculated for Student 1. student volume of acid used / cm3 volume of water used / cm3 mass of magnesium used /g initial rate relative concentration of acid / cm3 min–1 1 100 0 0. 01 2 45 55 0. 01 8. 0 3 90 10 0. 01 16. 4 4 60 40 0. 01 11. 5 5 100 100 0. 01 9. 3 6 35 65 0. 01 6. 8 7 80

Low birth weight & Preterm Essay

Low birth weight is considered to be less than 5.5 pounds when a baby is born. Low birth weight is one of the major leading causes of infant death in the United States. Through education and awareness, the United States has dropped infant mortality rates dramatically. In 1980, infant death averaged twelve percent due to low birth weight (Reichman, 2005). Infant mortality dropped to seven percent in the early new millennium (Reichman, 2005). So what factors influence a baby to be born with low birth weight? – Mothers who are young and under the age of seventeen – Mothers who are at the age of 30 or greater – If the family and mother are uneducated – African Americans – Poverty or low income – Pregnant mothers who smoke and/or drink alcohol – Babies being born prematurely Reichman stated in her article, Low Birth Weight and School Readiness, â€Å"In 2000, thirteen percent of babies born to black mothers were low birth weight, compared to six and a half percent of those born to white mothers† (2005). What is even more interesting is women of Hispanic origin have the same status of white women when it comes to low birth rates. Women who move to America from other countries have better birth outcomes, rather than women from different origins who were born and raised in America. On a positive note, infant mortality due to low birth weight has dropped significantly over the past twenty-five years. Babies who are born prematurely or born with low birth weight can place a  huge financial burden to the family. Hospital stays are much longer for these children. Not only does the family acquire a much larger hospital bill, they obtain travel expenses to and from the hospital. Taking time off from work to be at the hospital is just another expense that the family has taken. Children are at greater risk for school performance problems when born with low birth weight. They have a higher risk of performing poorly on tasks that engage in reading, spelling, and math compared to their peers. Children who are born premature typically tend to be aggressive and hyperactive. Mothers with premature or low birth weight children experience a high amount of stress because of the child’s behavioral problems. It is vital for expecting mothers to start prenatal care as soon as possible. A nurse can assist an expecting mother through education and developing a personalized care plan. According to the March of Dimes (2014), there are several healthy steps that a female can take when expecting or planning a pregnancy: Have a preconception checkup Make sure that vaccinations are up to date Take the daily recommended dose of folic acid Do not consume alcohol and stay away or stop smoking Reduce mental and physical stresses Women, Infant, and Children (WIC) program is very effective in improving the health of pregnant women, new mothers, and their infants (2013). It is federally owned and provides grants to all States in order to provide adequate nutrition for low-income families. Not only does WIC provide nutritional education, it also provides health screening and referrals to health care providers. WIC services are provided in your county health departments, hospitals, and many local community centers. There are many mothers who depend on WIC to provide for their household. March Of Dimes (2014). Low birthweight. Retrieved from http://www.marchofdimes.com/baby/low-birthweight.aspx# Reichman, N. E. (2005). Low birth weight and school readiness. The Future of Children, 15. Retrieved from http://futureofchildren.org/publications/journals/article/index.xml?jounralid=38&articleid=118 §ionid=774 United States Department Of Agriculture Food And Nutrition Service (2013). Women, infants and children (WIC); About WIC-WIC at a glance. Retrieved from http://www.fns.usda.gov/wic/about-wic-wic-glance