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Evaporating Dish Aluminum Foil
1,928 wordsPurpose: To conduct experiments and to determine whether they are physical or chemical changes Before we conduct these experiments there are some topics that we must discuss. As I stated in the purpose, in this lab we are going to be looking at some experiments, and we have to determine whether they are a cause of chemical or physical changes. The purpose for all the labs that we will be doing will be the same. During a chemical change a new substance is formed, it is irreversible, and it is usu...
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Air Resistance Tyres And Friction
1,870 wordsDragsters use a combination of large wide tyres or the rear and small narrow tyres on the front this combination is used for the following reasons: The front wheels: The front wheels are very narrow. This is so a minimum of air resistance or drag affects the dragster with lower drag better acceleration an in turn a better top speed can be achieved all leading to a better pass (race time). Now lets try to understand the concept of air resistance and drag. A basic example is placing your hand out ...
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Roger Chillingworth Arthur Dimmesdale
738 wordsCharacterization is a literary element used by the author to present qualities of characters in a literary piece, the purpose of characterization is to make characters credible and make them suitable for the role they play in the work. Authors present various characters possessing dissimilar qualities, to emphasize different aspects of the work. In the novel The Scarlet Letter, the author Nathaneil Hawthorns depiction of the two male characters, Arthur Dimmesdale and Roger Chillingworth, emphasi...
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Chemical Change Physical Change
259 wordsTitle: Chemical and Physical Changes. Purpose: To determine the differences between chemical and physical changes when they happen. Materials: Five test tubes, Bunsen burner, crucible, test tube holder, triple beam balance, ring stand, triangle, evaporation dish, wood splint, copper turnings, copper (II) nitrate, dilute nitric acid, Ba (NO 3) 2, Na 2 CrO 4, Fe Cl 3, KSCN, Ag NO 3, ammonium dichromate, safety goggles, and matches. Results: 1. Data table (see attached page) 2. Questions (1 - 3): 1...
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Evaporating Dish Aluminum Foil
2,222 wordsPurpose: To conduct experiments and to determine whether they are physical or chemical changes Pre-Lab Notes: Before we conduct these experiments there are some topics that we must discuss. As I stated in the purpose, in this lab we are going to be looking at some experiments, and we have to determine whether they are a cause of chemical or physical changes. The purpose for all the labs that we will be doing will be the same. During a chemical change a new substance is formed, it is irreversible...
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Life And Death Gregor Samsa
529 wordsMetamorphosis. This means a change in form, structure, or appearance. Change is a major theme throughout Franz Kafkas novella, The Metamorphosis. There is a significant relationship between the title, The Metamorphosis, and the theme of change. Kafkas main character, Gregor Samsa, undergoes many changes and his transformation evokes change in his family. Several metamorphoses take place involving Gregor. First, a physical change occurs When Gregor Samsa woke up one morning from unsettling dreams...
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