SALTS EVERYDAY First some words about salts in chemistry. Salts are ionic compounds that can result from the neutralization reaction of an acid and a base. They are composed of related numbers of cations (positively charged ions) and anions (negative ions) so that the product is electrically neutral (without a net charge). Salts can appear to be clear and transparent (sodium chloride)‚ opaque‚ and even metallic and lustrous (iron disulfide). In many cases the apparent opacity or transparency are
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level 5070/31 CHEMISTRY Paper 3 Practical Test October/November 2010 CONFIDENTIAL INSTRUCTIONS *4711088250* Great care should be taken to ensure that any confidential information given does not reach the candidates either directly or indirectly. The Supervisor’s attention is drawn to the form on page 7 which must be completed and returned with the scripts. If you have any problems
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HEALTY NAILS If you want Healthy Nails‚ make sure you eat a nutritious and varied diet. Visiting the doctor can be a nail biting experience‚ but try to stop nibbling because unchewed nails give a good guide to your health over the past six to nine months. It takes thins long for fingernails to grow from base to tip‚ and provided injury‚ infection and detergents have not damaged the nail‚ flaking‚ ridges and white spots all mean you are undernourished. It’s myth that gelatin and calcium help to make
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Source: Chemistry by C. Mortimer PP 1-5 Chemistry by R.S. de Borja PP 1-5 Definition of Chemistry Chemistry is concerned with the composition and the structure of substances and with the forces that hold this structure together. And the changes that undergoes with the energy involved in them. History Chemistry which emerged‚ took hundreds of years to develop the history of its development can be divided ranging into five
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Pennies were the first coin minted in the U.S ‚the first U.S penny is 223 years old. In recent years‚ there has been a heated debate about money in the United States. Surprisingly‚ it is about the pros and cons of producing and using pennies. In my opinion the penny should no longer be used and produced in America today. Here are some reasons why‚ pennies cost more than it’s worth‚ they are not big money‚ and are so close to worthless. ‘‘ Michael Cooper‚ an eighth grader
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Penny stocks trading is the first step to enter stock trading By Kent Wrotham Feb 7‚ 2012 Investing in penny stocks that have the potential to greatly increase their profits is the ideal way to enter stock trading. There are multitudinous things to contemplate when investing in global penny stocks. First‚ is the cost related‚ such as broker fees or commissions. Because in penny stocks‚ you may think that the cost of the investment is in miniature. Some brokers charge you more and get a great ability
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1101 September 13‚ 2010 Should the Penny be Eliminated? The penny‚ a copper and zinc coin‚ that represents one cent in the United States currency‚ is as American as apple pie. It is part of our heritage to honor and recognize our founding fathers and past presidents for their contributions to the economic system of America. According to the Harris Poll #51 conducted online between June 10 – 16‚ 2004 including 2‚136 adults‚ the majority favor keeping the penny in circulation (Source E). The United
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The penny has served as a trademark for America since 1793 and it has helped us succeed in many ways throughout American history. The U.S. continues to draw strength from its history and honored traditions. Therefore‚ preserving these traditions is vital to the continued greatness of our country. The U.S. should not abolish the penny because it is valuable to the economy‚ significant to society‚ and an important tradition to continue. Simply put‚ the penny is far too valuable economically and
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Experiments in physics lab report Department of Electrical Engineering Isabela State University Ilagan Campus‚ Calamagui 2nd‚ City of Ilagan‚ Isabela baccaljoemel@yahoo.com Submitted to: Engr. Rafael S. Ramos Physics12 Professor Submitted by: Joemel L. Baccal BSEE IIA Experiments in Physics Lab Report Joemel L. Baccal Department of Electrical Engineering Isabela State University - Ilagan Campus‚ Calamagui 2nd‚ City of Ilagan‚ Isabela baccaljoemel@yahoo.com Abstract In
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clear statement to the reader. The main element portrayed throughout the poem is repetition‚ which is used as a way to convey a message to the reader and make a statement as to why the speaker is painting their nails red. However‚ under the surface to why the reader is painting her nails red‚ lies a significant message to the reader that can be reinforced by the use of repetition. Using the word “Because” as the first word of every line‚ puts an emphasis on the speaker for taking a stand and
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