1) Why serial dilutions are preferred to one large dilution in lab experiments? Answer: Serial dilution is the technique of performing repeated dilutions on the same chemical in order to change its concentration. The diluted solution from a serial dilution can be used to calculate the concentration of the actual solution. In experimental work‚ often we need to obtain a range of concentrations for a specific compound. Thus‚ instead of preparing one large dilution‚ if we take a concentrated sample
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While most People use drugs to help‚ some choose to abuse them. This is what leads to crime‚ and it affects our kids and society. The increasing phenomenon of drug abuse in society impacts American society in ways that economically cost society almost $100 billion a year. Illegal drug use has to stop! It hurts the society‚ it hurts us‚ and mainly‚ it hurts the user. Drug users feed of society’s money‚ insurance‚ and taxes. If we let this behavior continue the crime rate will shoot sky high
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the American society had changed in a new direction and had a profound impact on equality for all individuals. Although the Civil War had a great impact on citizens rights‚ the America society was also effected socially‚ economically and politically. The effects of the Civil War had everlasting changes on Americas society and remade America. However‚ the abolition of slavery‚ the economic gap between the North and South‚ and _____ all had the most significant effects on the society. One everlasting
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Killer whales‚ also known as orcas‚ are considered one of the largest members of the dolphin family‚ as they inhabit the top predation of the ecosystem. They possess advantages‚ such as acute sense of sight and hearing‚ making them the most intelligent marine creatures. Their beauty has captivated d humans for decades‚ but for orcas humans have reduced their sense of freedom and enjoyment of life. Human advancements have forced orcas into captivity‚ evolved their eating habits and changed the population
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Society is a very complicated and complex system‚ always changing and developing. Most of these changes are good and help us live earier and better lifestyles. Sadly there are also some that hinder us and prevent us from moving forward as a society. There have been many amazing changes in society that have had beneficial effects on how we live today. The freedom of different groups have changed tremendously for the better. The 14th and 15th amendments in 1868‚ 1870 helped the African Americans
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TRIPLE ENTRY JOURNAL: “The Killers” The short story “The Killers” written by Ernest Hemingway begins as two rude men walk into a lunchroom and start taunting George‚ the man running the place and Nick Adams‚ a young man sitting at the other end of the counter. Finishing their supper‚ the men reveal that they are planning to murder Ole Anderson‚ a big Swede‚ former heavyweight prizefighter‚ who often ate at that lunchroom. After 7:00 pm‚ they stop waiting for the man to enter the scene; it was
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assassination. Swanson is now an expert on Lincoln’s life‚ death and everything in between. He’s a member of the advisory committee of the national Abraham Lincoln Bicentennial Commission and serves on the Board of the Ford Theatre Society. Consequently‚ CHASING LINCOLN’S KILLER‚ Swanson’s first book for young readers‚ has the mark of a story being told by someone who is truly geeked out by his subject. He practically stumbles over himself (to the assured delight of readers) to share each gritty detail
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BAD EFFECTS OF CELL PHONE ON SOCIETY A report by the International Telecommunication Union (ITU) said there were about six billion cell phone subscriptions at the end of 2011-roughly one for 86 of every 100 people. Up to now‚ this number has continued to increase dramatically. This proves certainly that cell phone affects our society more strongly and more deeply in many aspects. No one can deny that cell phone is playing a very important and necessary role in our society because it not only
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How to successfully solve serial murder cases – ideas and discussion – Crimestoppers – key facts report. The most important issues‚ factors regarding process of searching for ‘most wanted’ are shoved below: • Identification of a Serial Murder Series • Leadership • Task Force Organization • Resource Augmentation • Communication • Data Management • Analytical Tools • Medical Examiners/Coroners • Administrative Issues • Training • ‘Cameleon’ effect Historically‚ the first
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The Effects of Industrialization on U.S. Economy and Society The rise of industrialization during the 1900s brought many changes to the American economy and society. Urbanization (mainly due to immigration)‚ new technologies‚ the rise of big business through industrial trusts‚ and the rise of laissez-faire capitalism are among the most significant of these changes. The rise of industrialization brought many significant changes to the American Economy and society during the 1900s. Some of
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