"Transforming copper lab" Essays and Research Papers

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    Lab Manual

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    Writing of Lab Reports __________________________________________________________________________ W hy should I bother writing lab reports in the correct way?” The Foundation Programme is designed to prepare you for undergraduate studies at UTAR which will require the writing of lab reports all years generally. At the end of your third year‚ you may have an opportunity to work on scientific projects which will culminate in an official scientific report. Depending on the quality of your report

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    The GDP of Singapore at purchasing power parity per capita is the 4th largest in the world1. Yet‚ Singapore is small and vulnerable to global storms and was the first East Asian country to fall into a recession in the 2008 economic crises. Biggest impact of recession is the escalating job losses that have become a national dilemma‚ as resident unemployment hit highs of 3.8% (1999)‚ 4.9% (2002)‚ 5.2% (2003) and 4.3% (2009) during downturns2. Shorter economic cycles‚ increased competition due to

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    protein lab

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    loose. Ammonium sulphate White gel-like precipitate‚ the solution was thick. HCl White precipitate accumulated at the top and also the bottom of the solution. The solution was thin. NaOH No precipitate seen‚ the solution was cream in color. Copper sulphate Light blue coagulated precipitate seen at the top of the solution. Lead Acetate Cloudy solution with small specks of white precipitate. Ice cold ethanol Cloudy at the bottom and about 0.5 cm of the top of the solution was clear.

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    Lab report

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    Fractional crystallization makes use of the differences of solubility to separate the components of a mixture. Goals: Applying fractional crystallization to separate a mixture of salicylic acid and copper sulfate pentahydrate into its components. Calculate the percent of salicylic acid and copper sulfate pentahy- drate in the mixture. Procedure: Block/McKelvy/with contributions from Georgia Perimeter Faculty (2012) - Laboratory Experiments for Chem 1211L & 1212L Cengage Learning (7th ed.)

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    Bunsen Burner Lab

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    Bunsen Burner B. Show to handle liquids and solids in lab. C. Basic safety and Electric balance. D. To show knowledge of being able to find volume of a liquid. II. Equipment. A. Bunsen Burner B. Rubber Hose C. Striker D. Electric Balance E. Crucible Tongs F. Piece of paper G. Gas and Knob H. Copper Wire I. 2.75g of Sugar J. Test Tube K. Graduated Cylinder L. Water III. Procedure • Put on Safety Goggles. • Bunsen Burner Lab o Attach Rubber hose to gas line o Turn Gold knob counter

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    Chainobead lab

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    rate change over time? How does this compare to a real enzyme? The enzyme’s rate did change over time. This compares to a real enzyme because an enzyme’s job is to speed up the reactions and as time allotted. That did happen since the enzyme in our lab was able to make more chainobeads as time progressed. 4. Graph 5. Table Chainobead Construction Time Part A 15 Seconds 6 30 Seconds 12 60 Seconds 20 120 Seconds 29 Part 1B: 1. The results of the 120 seconds with the non-pop beads added to the mix

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    Chemical Formula Lab

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    with the dried sample‚ which will produce elemental copper. By measuring the mass of copper that forms‚ you will have the necessary information to determine the moles of copper and chlorine in your sample‚ and you will be able to establish the proper chemical formula. OBJECTIVES • • • In this experiment‚ you will Ev al Determine the water of hydration in a copper chloride hydrate sample. Conduct a reaction between a solution of copper chloride and solid aluminum. Use the results of the

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    Calibration Lab

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    Tiffany Yuen Investigation 21: How Much Copper Is in the Coin? RC Bauer‚ JP Birk‚ DJ Sawyer We calibrated three different molarities of copper (II) nitrate. We tested for the %Transmittance of 1M‚ 0.1M‚ and 0.01M and plotted the data collected on a calibration curve based on concentration and absorbance. We used nitric acid to dissolve a penny to produce another copper (II) nitrate to test its %Transmittance and plot that on the graph to discover the concentration of that substance which came

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    Chemistry Shot Lab

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    Honors Chemistry Period 2 September 22‚ 2013 PRE-LAB Title: Density of Metals – Shot Lab Purpose: The purpose of this lab is to find out the density of different metals using their mass and volume. If the volume and mass for the metals Nickel and Copper are found‚ then we can figure out the density. Materials: Metal shot Plastic rinse bin Electric Balances Calculator Graduated Cylinders Water Wire Gauze Weigh Boats Pre-lab Questions: 1) The volume of the water is 43.0 mL

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    Chemistry Lab

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    in a burner‚ and to note the appearance of the residue after heating. AIM: To observe the effects of heating different substances. MATERIALS:  Hard glass test tubes  Powered samples of  Lead (II) nitrate  Copper (II) sulphate  Ammonium chloride  Zinc sulphate  Basic copper (II) carbonate‚ CuCO3. Cu(OH)2  Blue and red litmus and a splint METHOD: 1. About 1g of the solid was placed in a dry test tube and the test tube and its contents was heated

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