to determine the percentage by mass of calcium carbonate‚CaCO3 in toothpaste using back titration technique. A known weight portion of toothpaste is obtained to react with known volume and concentration of standard acid solution. After completing the reaction‚ the resulting solution containing excess acid is back titrated with known volume and concentration of standard base solution. Determination of excess acid after reaction allow us to calculate the amount of acid react with CaCO3 in toothpaste
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Lee 1 Lee Andrew Pamela Gressier English 105 May 23rd‚ 2014 There And Back Again Growing up‚ one of my most favorite places to go as a child was the jungle gym at Wardlow Park. I was always fascinated with the jungle gyms and park‚ and always made it my daily personal mission to go as much as I could. However‚ the Wardlow Park is vastly different now then it was back when I was a little kid. From the environment to the current inhabitants‚ almost every aspect of the park has changed. When
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A. Definition of Back-Formation In etymology‚ back-formation is the process of creating a new lexeme‚ usually by removing actual or supposed affixes. The resulting neologism is called a back-formation‚ a term coined by James Murray in 1889. Back-formation is different from clipping – back-formation may change the part of speech or the word ’s meaning‚ whereas clipping creates shortened words from longer words‚ but does not change the part of speech or the meaning of the word. For example‚ the
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Going Green – Should A Company Do It? Ben Surato Baker College – MKT111B Environmental efforts of modern times date back to the late 1940s and early 1950s‚ during postwar America. The Federal Water Pollution Control Act of 1948 was the first piece of legislation to lay down federal regulation of water quality passed by Congress. (PBS.org‚ n.d.) This type of legislation was put in place forcing businesses to recognize corporate responsibility and eco-friendly practices. Since that time
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ON GOING A JOURNEY One of the pleasantest things in the world is going a journey; but I like to go by myself. I can enjoy society in a room; but out of doors‚ nature is company enough for me. I am then never less alone than when alone. "The fields his study‚ nature was his book." I cannot see the wit of walking and talking at the same time. When I am in the country‚ I wish to vegetate like the country. I am not for criticising hedge-rows and black cattle. I go out of town in order to forget the
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Going for the Look In Marshal Cohen argument responding to Steve Greenhouse article‚ “Going for the Look‚ but Risking Discrimination‚” Greenhouse argues that companies only hire people for their looks and not for their experience. This has been going on for a long time‚ but some people never really realized it. Companies like Abercrombie & Fitch and L’ Oreal that hire based on looks and not on the experience of the person‚ reminds me of a bully who does things and doesn’t get caught‚ but when
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If school was all year round students will learn more‚ it will help students stay focused. It will also help teachers and stuff with more jobs security. That will give the parents more time together to plan trips and vacations. It will also leave a lot of stress off their parents because they will know that they are at school and not in the streets doing whatever. I feel there will be less breaking in housing‚ killing and robberies. Children’s these days are having too much time on their hands.
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The Odyssey Of My Life And High School Years I was born in 1991‚ in Bryansk‚ an old city in Eastern Europe. For the next 5 years My life continued on in a small charming town about 30 kilometers away from the city .Though I was born when the world watched in amazement‚ how the Soviet Union disintegrated into fifteen separate countries‚ I as a child did not seem to notice . I enjoyed a childhood of stability and peace .My father was an electrician and my mother ran the household and cared for
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I believe students should enter college right after high school. I have are very strong opinion about this topic. We all have goals and its better now than later. As well it’s a great learning experience outside of getting a degree‚ you learn independent. Having to make decision in life basically depends on the individual and their situation. We can say that we want to go to college whether it is now or in the future. I can say that‚ for myself had I known what I know this day in time my choices
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Zhang 1 Bingmiao Zhang Wendy Perniciaro ENC1101 January 16‚ 2013 An unforgettable trip When I was a junior student in high school‚ I got a chance to travel to Canada for a month. This trip was so unforgettable and also interfered with my study later on. The city I went to is Vancouver. This place is an easy and comfortable place to live. The weather is as warm as spring. I left my parents and lived alone for the first time. I lived with a local homestay. They were
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