On July 29th 1957‚ the United Nations established an autonomous international organization called the International Atomic Energy Agency that would to promote the use of nuclear energy for peaceful reasons‚ insure nuclear safety‚ and retrain the usage of nuclear power for military and strategic purposes such as nuclear weapons. The IAEA is an independent intergovernmental‚ science and technology based organization that is a part of the United Nations and serves as the global focal point for nuclear
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Lab Report for Chemical Changes and Conservation of Mass Lab Previous to the reaction‚ the magnesium appeared to be a solid‚ white‚ black‚ and grey substance with many small dark particles within the substance. The hydrochloric acid was a clear liquid that looked like water It weighed 42.2 grams in total. During the reaction‚ the two substances produced bubbles‚ creating smoke and became warm with a smell that is irritating to the human nose. After the reaction‚ it appeared to be a clear‚ bubbly
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that both devices provided adequate value to their customers? Which of these two tablets do you prefer and why? Ans: The interesting factors of PlayBook included its ability to multitask and videoconference‚ its presentation‚ its speed‚ its light weight and small size. The interesting factors of iPad included its front-facing camera‚ apps‚ and sleek design. After looking over these features we could say that they provide adequate value to their customers. I would like to prefer iPad because it came
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feel sluggish. Remember you have choices in life so make the right choice. By making a life time change and commitment to change bad habits and exercise will help anyone have positive results as live longer and maintain weight. First‚ you need to have a goal as to how much weight you want or need to lose. So you need to set the goal but do not set a time limit and give your self adequate time to reach it. Take as many steps as possible to reach that ultimate goal. You and everyone else can do
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John Dalton and Atomic Theory John Dalton was a British scientist who made important contributions to science and to the atomic model specifically. I. Experiences in his life that led to his interest in science and the study of the atom A. Education and teaching career brought him in contact with amateur meteorologists B. Mentors and meteorology directed his interest toward air pressure and properties of gaseous elements C. Study of elements led to interest in components of
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I. Manhatten Project (C)before German & Japanese‚ Pearl Harbor opportunity‚ Japan already defeat‚ Hiroshima (70‚000)‚ Nagasaki (40‚000)‚ “complete destruction” “utter destruction” a. Through many see the bombing as immoral‚ the atomic bombings actually saved lives of both Japanese and U.S. people‚ weakened Japan who wasn’t as innocent as many believed‚ and ended the devastating WW II. II. Save many lives a. U.S.A. i. No invasion of Japan ii. Many casualties: battles
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Purpose: The purpose of this lab was to analyze the trends of the atomic radius (AR) and the first ionization energy (IE) for the first 36 elements of the periodic table. Procedure: A piece of graph paper was given out by the teacher. A periodic table that has the atomic number‚ atomic radius (AR)‚ and first ionization energy (IE) was given out by the teacher. A sheet of paper was taken out to record the elements‚ atomic number‚ atomic radius (AR)‚ and the first ionization energy (IE). To record
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bar‚ 3 and 5 ml conical vial‚ 50 mL Erlenmeyer flask‚ claisen adapter‚ drying tube and 5 glass pasteur pipets were first added to a 250mL beaker and placed in the oven for 30 minutes. After the completion of the thirty minutes‚ 0.150 g of shiny magnesium turnings and a stir bar was first added to the round bottom flask and the claisen adapter along with the drying tube packed with calcium chloride was added to one of the heads of the claisen adapter. A rubber septum was then added to the other head
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Lab Report Abstract: The purpose of this lab was to see how magnesium reacts with oxygen. This reaction must be forced with heat. As magnesium changes to magnesium oxide the mass increased. Procedure: 1. Set up the stand and bunsen burne. 2. Go to crucible heat oven to obtain a crucible. 3. Weigh the crucible and lids mass. 4. Break up the magnesium ribbon on the crucible and weigh the mass of the magnesium‚ crucible‚ and lid. 5. Place the crucible on the ring stand over the flame. Allow
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Bad Eating Habits Darlene Wilder ENGL135 March 20‚ 2010 Bad Eating Habits You think just because you eat at night that is the reason you’re over weight? True in a way‚ but the main cause in the United States for obesity is bad eating habits. Almost every citizen doesn’t know that extra eating‚ and extra late night snacking is a bad eating habit‚ which causes problems in the future. They practically thinks its normal the way they eat‚ but long term wise its causes bad health problems
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