GAS LAWS GROUP 1 Sheena Mae Agustin Hans Alcantara Renzo Bren Ado Miguel Afable Ron J Advincula De La Salle University - Dasmariñas Dasmariñas‚ Cavite Philippines ABSTRACT Gases behave in a similar way over a wide variety of conditions because to a good approximationthey all have molecules which are widely spaced‚ and nowadays the equation of state for an ideal gas isderived from kinetic theory. The combined gas law or general gas equation is formed by the combination of
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------------------------------------------------- Electroplating Electroplating is a plating process in which metal ions in a solution are moved by an electric field to coat an electrode. The process uses electrical current to reduce cations of a desired material from a solution and coat a conductive object with a thin layer of the material‚ such as a metal. Electroplating is primarily used for depositing a layer of material to bestow a desired property (e.g.‚ abrasion and wear resistance‚ corrosion protection
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SYLLABUS – ADVANCED PLACEMENT CHEMISTRY Required Texts 1. Chemistry: The Central Science by Brown‚ LeMay and Bursten‚ 10th ed.‚ Pearson Education. Inc.‚ Upper Saddle River‚ NJ‚ 2006‚ ISBN: 0131464892 Includes: Text book‚ Laboratory Manual‚ Student Study Guide‚ AP Test Prep Series‚ Solutions to Practice Problems 2. Barrons AP Chemistry‚ Jespersen‚ Neil D‚ 4th ed.‚ Barron’s Educational Series‚ Inc‚ 250 Wireless Boulevard‚ Hauppauge‚ New York 11788
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of anhydrous copper sulfate (CuSO4) is white because it reflects lights in visible region of spectrum. Once water is added‚ it changes to blue as the structure of the copper transitional compound becomes Cu(H2O)4 SO4 - H2O where four water molecules are bound to the copper ion and the fifth is a water of crystallization. This compound absorbs light of wavelengths from 600 to 800nm (yellow-to-red region) light and blue light is transmitted. When ammonia is added to a solution of copper(II) cation‚
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Protein BIOL160: Lab Report 1 January 30‚ 2013 Lab partners: Park Jin Mun 0304299 Tan Zhi Chen 0306521 Hypothesis 1) If a calculated absorbance
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electrode for mobile electrons to pass through. A galvanometer is always used to detect the electron flow of voltaic cell. The deflection of galvanometer indicates the electron flow of circuit. Electrolyte that has visible color change is always selected. Copper (II) Ion is one of the examples. The presence of such ion will eventually increase the blue intensity of the electrolyte if the concentration of such metal is higher than other metal. Throughout the mechanism of voltaic cell‚ redox reaction is occurred
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Applications of Le Châtelier’s Principle (September 11 - 15‚ 2014) **The purpose of this experiment was to visually observe the effects of how changing certain aspects of the reaction affected the observed equilibrium. PROCEDURE: Introductory activity Part A: Effect of Concentration: Two different temperature water baths were created‚ one at 65-70oC‚ the other ice‚ and set aside for Part B. 20 mL of potassium thiocyanate solution were poured into a petri dish. The initial color and all subsequent
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dissecting. He thought that electricity was of animal origin and could be found only in living tissues. A few years later‚ in 1800 Alessandro Volta discovered that electricity could be produced through inorganic means. In fact‚ by using small sheets of copper and zinc and cloth spacers soaked in an acid solution‚ he built a battery - the first apparatus capable of producing electricity. Naysayers were quick to predict that electricity would never serve a useful purpose. Obviously they were very wrong.
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“One cation replaces another” and in an anion replacement reaction‚ “one anion replaces another from its solution.” When magnesium and copper sulfate react‚ a single replacement reaction occurs‚ and copper and magnesium sulfate are produced (Mg + CuSO4 MgSO4 + Cu). In this example‚ magnesium is above copper in the activity series so it is able to displace copper. An example of an anion replacement reaction is the reaction of bromine and potassium iodide‚ which produces potassium bromide and iodide
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Experiment 1 The Nature and Properties of Solutions INTRODUCTION The experiment aimed to describe the various ways of expressing the concentration of solutions; prepare solutions of definite concentrations from standard substances by dilution and solve problems involving preparation of solutions and their concentrations. BACKGROUND INFORMATION A solution is any homogenous mixture of two or more substances‚ the relative properties of which may vary within certain limits. The two components
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