hing Interaction design See text book p365 GUI HUD IN THE NEWS - Console manufacturers http://sites.duke.edu/soc142-videogames/global-value-chain/major-players/console-manufacturers/ - New consoles New PS4 http://metro.co.uk/2013/03/03/playstation-4-thinking-outside-the-box-readers-feature-3522850/ Remote Play is being advertised as a feature in most PlayStation 4 games‚ although this has not been seen yet and many gamers who were disappointed with the feature on the PlayStation
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Determining the Specific Heat of an Unknown Metal Objective: To determine the specific heat of an unknown metal through the use of a calorimeter. Background: The specific heat of any substance represents the quantity of heat energy in joules required to heat one gram of the substances by one °C. The specific heat of a substance is dependent upon the temperature; this means that there is a temperature range for which the specific heat of a substance applies. For metals and metallic substances
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Introductions and Conclusions Introductions and conclusions play a special role in the academic essay‚ and they frequently demand much of your attention as a writer. A good introduction should identify your topic‚ provide essential context‚ and indicate your particular focus in the essay. It also needs to engage your readers’ interest. A strong conclusion will provide a sense of closure to the essay while again placing your concepts in a somewhat wider context. It will also‚ in some instances
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Conclusion Worksheet Instructions: Copy and paste the following text into a document or create a document that contains the same information. Respond to the following with complete sentences. 1. Copy and paste the introduction to your essay in the space below. King’s famous “Letter from Birmingham Jail‚” was written in response to a public statement of concern and caution issued by eight white religious leaders of the south. Even though King felt that they were men of “genuine good will‚” he didn’t
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06.03 Calorimetry: Lab Report Procedure: Part II: Determining the Specific Heat of an Unknown Metal Data and Observations: Part I: Determining the Specific Heat of a Known Metal Metal: Aluminum Zinc Iron Copper Mass of metal 27.776g 41.664g 34.720g 41.664g Volume of water in the calorimeter 26.0mL 26.0mL 26.0mL 26.0mL Initial temperature of water in calorimeter 25.3 °C 25.3 °C 25.3 °C 25.3 °C Temperature of hot water and metal in hot water bath 100.5 °C 100.5 °C 100
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spectroscopy. This will be done by making 6 dilutions of a known compound of FeNH4(SO4)2 . Absorption spectroscopy involves placing the 6 diluted solutions into the spectrophotometer. This will measure the light absorption of the individual dilutions. The absorption values will be the y values on the Beers Law Plot. Beers Law shows that there is a relationship between absorption and concentration so the x value on the Beers Law Plot will be the concentration of the 6 diluted iron solutions. To calculate
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Conclusions: We learned that some nasty stains can come out with some unorthodox products. We used on our stain Isopropyl alcohol (rubbing alcohol)‚ bleach‚ and shout. The product that did the best at pulling out stains was the Isopropyl alcohol. Isopropyl alcohol is a clear‚ colorless‚ flammable‚ mobile liquid‚ (CH3)2CHOH‚ used in antifreeze compounds‚ in lotions and cosmetics‚ and as a solvent for gums‚ shellac‚ and essential oils. It did great job at pulling stains right out of the cloth. This
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Results : Calculation : Part A Molecular weight of 1M of NaOH = 23g/mol + 16g/mol + 1g/mol = 40g/mol 1M = 40g/mol dissolved in 1L and 20g dissolved in 500ml 20g of NaOH was used to prepare 500ml of 1M NaOH. Part B Molecular weight of 1M of HCl = 35.5g/mol + 1g/mol = 36.5g/mol Specific gravity = 1.19kg/L 37% HC1 × 1.19kg/L = 0.44kg/L Convert w/v to mol/v = = 12mol/L = (12mol/L) = (1M)250ml = 20.83ml ≈ 21ml 21ml of concentrated HC1 is used to prepare 250ml of 1M of HC1. Part C For 0.1N of NaOH
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Question # 1: You are titrating 50 ml. of nitrous acid with sodium hydroxide (0.15 M). Equivalence is reached at 22.0 ml of NaOH delivered. Calculate the pH of the solution in the flask: a- before the beginning of the titration - after the delivery of 5 ml. of titrant b- at half-equivalence c-at equivalence d-after delivery of 23 ml. of titrant Part A) Reaction is: HNO2 + OH- NO2- + H2O Ka for Nitrous acid = 7.2E-4 Kw = Ka*Lb Kb = 1.0E-14/7.2E-4 Kb = 1.38E-11 Moles of base:
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objects will reach an equilibrium temperature. Materials and Methods 1. Oven 7. Test Tube 2. Pasco Temperature Probe 8. Stopper 3. Scale 9. Calorimeter 4. Samples of Metals 10. HCl solution 5. Water 11. NaOH solution 6. Beaker The sample metals are put to boil. In the first trial‚ the investigators use sample metal #2. Pour an amount of distilled water in the beaker and measure. After obtaining the mass/weight of the distilled water‚ record its temperature using
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