BUFFER SOLUTIONS CONTENTS 1. Introductions. 2. Principles of buffering. 3. Applications a. Simple buffering agents. b. "Universal" buffer mixtures. c. Common buffer compounds used in biology. 4. Buffer capacity. 5. Calculating buffer pH a. Monoprotic acids. b. Polyprotic acids. 6. Biblography. INTRODUCTION A buffer is an aqueous
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No Democracy with the New Jim Crow The United States of America is proud to be known as the land of the free. Its representative democracy is supposed to hold the consent of all American citizens and make sure the constitution and equality is upheld; however‚ its state of government has been actively partaking in activities and rulings that do not benefit the whole of America. In fact‚ many of the state’s decisions have been working against specific racial minorities and creating a criminal justice
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The New Jim Crow describes how institutionalized racism has taken hold in the American Justice system. In the first chapter‚ Michelle Alexander runs through the history of racial castes in the United States‚ from the beginnings of slavery‚ to Jim crow and eventually the “law and order” rhetoric that developed into the system in place today. The book moves on to point out the server flaws in the justice system. These flaws‚ according to Alexander‚ are found within each step of the journey to jail
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A buffer solution can maintains a narrow range of pH even when strong acid are added. In our experiment‚ we can see water is not a buffer‚ water can undergo very big changes when small amounts of strong acid or strong bases are added. When the strong acid‚ 100µl HCl was added into the dd water‚ the pH value changed from 7.38 to 5.83 which mean the dd water has turn into acid. The same phenomenon occurs while strong base‚ 100µl NaOH was added into the dd water. The pH value changed from 7.07 to 9
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characters Huckleberry Finn and Jim. Even though both came from different backgrounds and culture their lives were pretty much the same. With huckleberry Finn being rich he still had to deal with a life he didn’t love with his abusive father. Jims life was also the same except he was poor and was a runaway slave. Both of them found each other on their runaway path to freedom. This brought them closer together. You could say they pretty much formed a brother hood. With Jim being a runaway slave he had
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Although new additions to the Constitution‚ as well as an increase in social developments‚ did help to add to a positive revolution‚ there were some bad aspects of social development such as the KKK and Jim Crow Laws that put a damper on the country. In Document I‚ the reader is presented with a very famous image in the history of the black race. The overall purpose of this image is to represent southern rebellion or resistance to the developments of reconstruction such as the 14th and 15th Amendments
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Now‚ the question that lingers in everyone’s mind‚ how was Jim Crow even legal? Jim Crow laws directly negate principles stated in the “highest law of the land”‚ the United States Constitution. The 14th Amendment‚ ratified in 1868‚ made African Americans full citizens of the United States. It also prohibited states from denying them equal protection or due process of law. Even the Declaration of Independence reinforces this notion of equality with five famous words‚ “all men are created equal”. In
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than hundred pairs of twins who were adopted by different parents at birth. Each twin was tested and interviewed about their personality and everyday life. The most incredible story was that of the Jim Twins who only met a t the age of 39. They were adopted by different families and both were named Jim by their new families. They both grew up with an adopted brother called Jerry. When they were children they both had a dog called Toy. Both men were divorced and remarried. Both first wives were called
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1.John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years‚ John will be three times as old as Alice. How old is Peter now? 2. John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time‚ the sum of their ages will be 58. How old is John now? 3. Joan is 3 times as old as her sister. In 3 yeas ‚ shee will be two years more than twice the age her sister will be then. What are their ages? 4. Kevin is 4 years older than
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Solutions for Homelessness This great nation of awesome power and abundant resources is losing the battle against homelessness. The casualties can be seen on the street corners of every city in American holding an "I will work for food" sign. Homeless shelters and rescue missions are at full capacity. There is no room at the inn for the nation’s indigent. Anyone who has studied this issue understands that homelessness is a complex problem. Communities continue to struggle with this socio-economic
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