EXPERIMENT 4: BACK TITRATION CONTENT NO. CONTENT PAGE 1. Synopsis 3 2. Introduction 3 3. Theory 4 4. Procedure 4 5. Results and Calculations 5 – 6 6. Discussion 7 7. Conclusion 7 8. References 8 1. SYNOPSIS The purpose of this experiment is to use the back titration method to determine the percentage of calcium carbonate in toothpaste. Instead of using standard titration methods where an acid is titrated directly using a standard solution of a base‚ back titration is used because
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country in the world. I think a lot of that has to do with all of our electronics. People are not as active as they were in the 70’s. Not only does my generation not exercise properly‚ but we eat the worst possible kind of food. We want food and we want it fast. An easy option for my generation is to go to a fast food place for example McDonalds. The people of the 70’s were much healthier and did more activity. I think sports back then was a great pass time and electronics weren’t so much of a big
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Spanish settlement of the west International borders has always been centers of conflict‚ and the U.S.-Mexican border is no exception. With the European colonizing the New World‚ it was a matter of time before the powers collided. The Spanish settled what is today Mexico‚ while the English settled what is today the United States. When the two colonial powers did meet became what is today the United States ’ Southwest‚ it was not England and Spain. Rather the two powers were the United States and
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learn “nature” is one more thing they should put on the back-to-school supply list. According to a new report by National Wildlife Federation‚ Back to School: Back Outside‚ time spent outdoors both during school and at home helps children become high-performance learners and score higher on standard tests. Unfortunately‚ American children spend only minutes a day playing and learning outdoors which presents a new educational challenge for our country. The report examines the impact of outdoor and
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Black holes When the word black hole pops to mind our initiative thought is literally a black hole with no end. What is really the definition of a black hole? A black hole is a point in space in which gravity pulls in a drastic matter that not even light can exit. Not even human’s vision is capable of viewing these holes. We only take notice as stars around black holes act differently than other stars in space. We can only ask questions such like; when they were theorized? How big
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My full name is Aisha Nicole Rodriguez‚ I was born on February 22‚ 2005 in Allentown PA‚ my parents raised me in Allentown my whole life. I am 12 years old and 5’2. I have blond‚brown‚black hair‚ and brown eyes. I live with my two parents‚ my 3 older brothers‚ and my brothers girlfriend. I played basketball for one year‚ I stop playing for a year cause I end of hurting my ankle‚ but now I want to do softball and play the violin. I have many hobbies‚ but I like basketball the most. Basketball
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Climate changes Strong Corporate Social Responsibility in IKEA’s culture Various tax & tariffs Legal Legal policies and trading regulations (SAFTA‚ APTA) Further expansion into developing economies (Brazil‚ Mexico‚ Indonesia‚ Malaysia) Christina Rodriguez BUS 411: Strategic Planning Homework #3 IKEA: PESTEL Political As part of the national or global trends and changes‚ IKEA is just one example of firms that are successful in both domestic and international business. The Swedish furniture
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Sub heading: Doctors without Borders Doctors without borders or Medecins Sans Frontieres (MSF) is an international medical humanitarian organization created by doctors and journalists in France in 1971. Who is involved‚ and how extensive are their projects? Who is involved? 27000 committed individuals from different nationalities provide assistance to people in crisis across the world. These people include doctors‚ nurses‚ logistics experts‚ administrators‚ epidemiologists‚ laboratory
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LOOKING BACK……… Surrounded by four grey walls‚ I lay here on my concrete bed and I think …….Why? Did he deserve it? Am I really the monster that I was portrayed to be? My name is Katherine Pierce. I am 25 years old and I have been sentenced to 10 years imprisonment for the murder of the man I once called …..my dad. The birth of any child into a family is a joyous occasion. And yes‚ my entry into this world was a dream come true for my parents. As a baby‚ I have fond memories of being
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President B. Obama’s speech “Back to School” President Barack Obama held a speech called “Back to School” delivered at Wakefield High School in Arlington‚ Virginia on September 8th 2009. Barack Obama addresses the values of hard work and taking the responsibility for paving success‚ no matter how hard the obstacles might be. The intention of the President’s speech is to persuade and motivate students all over America to stay focused‚ do their best‚ and take full advantage of their potential‚ and
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