3 Dimensional Carbon Nanotube for Li-Ion Battery Anode (Journal of Power Sources 219 (2012) 364-370) Chiwon Kang1‡‚ Indranil Lahiri1‡‚ Rangasamy Baskaran2‚ Won-Gi Kim2‚ Yang-Kook Sun2‚ Wonbong Choi1‚ 3* 1Nanomaterials and Device Laboratory‚ Department of Mechanical and Materials Engineering‚ Florida International University; 10555 West Flagler Street‚ Miami‚ FL 33174‚ USA 2Department of Energy Engineering‚ Hanyang University; 17 Haengdang-dong
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Silver Iodide By: Paul Gilmore III Table of Contents I. Introduction II. Properties III. Cloud Seeding IV. Photography V. Toxicity VI. Conclusion VII. Works Cited Paul Gilmore III 15 April 2013 Ms. Placke 4th Period I. Introduction Silver Iodide is an inorganic compound represented by the formula AgI that is used in cloud seeding‚ photography‚ and can also be used as an antiseptic. These are the three main ways the compound
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The effect of Lead ions on amylase activity Aim What is the effect of Lead ions on the enzyme Amylase. And does it have an inhibitory effect‚ which causes the substrate‚ in this case starch to be blocked from the reaction process in the enzyme catalyst. Also is the effect reversible or irreversible‚ which is put on the amylase. Method Apparatus and substances required Test tube holder 2% starch solution 6 boiling tubes labelled 1 to 6 1% lead nitrate solution 6 test tubes labelled A to E‚
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To begin the experiment‚ the reaction apparatus was assembled (as shown in Figure 1 below from the lab manual) consisting of a 3.0 mL conical vial charged with p-cresol (80uL from Eppendorf pipette)‚ 25% aqueous NaOH (130uL)‚ and a spin vane. The solution was mixed thoroughly and tetrabutylammonium bromide (9mg) was added along with n-propyl iodide (75uL) and it was equipped with a flask with a water reflux condenser. The solution was heated (95-100°C) while vigorously stirring it. After 60 minutes
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Peroxodisulphate and Iodide practical – exemplar Skill A – Chemical Ideas Reaction between Peroxodisulphate and Iodide The reaction between peroxodisulphate and iodide ions is given by the following equation: S2O¬82- (aq) + 2 I- (aq) 2 SO42- (aq) + I2 (aq) The structure of the peroxodisulphate ion‚ with oxidation states‚ is shown below: (Structure) The changes in oxidation state within the reaction are as follows: Element Oxidation state in reactant Oxidation state in product Oxidised or
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Lead (II) Iodide The Analysis of a Chemical Reaction Introduction This experiment is based upon a discovery made through the isolation of PbI2 using a particular scientific method‚ which studies ratios of lead to iodine. Precipitation reactions occur when oppositely charged ions attract and form an insoluble ionic solid. This experiment examines the precipitation reaction between lead (II) nitrate‚ Pb(NO3)2‚ and potassium iodide‚ KI. Both are dissolved in water and the reaction between these solutes
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Respiratory Acidosis and Alkalosis Activity 1: Normal Breathing 1. At 20 seconds‚ pH = 7.41 2. At 40 seconds‚ pH = 7.38 3. At 60 seconds‚ pH = 7.39 4. Did the pH level of the blood change at all during normal breathing? If so‚ how? Yes it did. It went down and then back up a little bit. 5. Was the pH level always within the “normal” range for the human body? yes 6. Did the PCO2 level change during the course of normal breathing? If so‚ how? No it did not Activity 2a: Hyperventilation
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Abstract: The purpose of this lab was to use potentiometry to measure the concentration of a specific chemical species in a solution. This was conducted in 2 stages. The first stage involved making a solution of potassium iodide. The potassium iodide was then diluted to several different concentrations that were ran in potentiometer to find the mV of each solution which would then be used to find the PH of the solution. After analyzing a sample of each concentration an unknown solution was compared
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Synthesis and Decomposition of Zinc Iodide Partners: Sonya Pasia and Kristen Kobayashi CH 085-01 20 September 2011 Zinc Iodide (ZnI2) was an interesting binary compound to experiment with. In this experiment‚ weakly acidified water (25mL distilled water with 18 drops 5M acetic acid solution) was used as an aid to bring molecules of the zinc and iodide atoms together‚ by dissolving iodine molecules‚ so that bonding would transpire to produce a reaction. Deprived of water‚ the Zn and I2 molecules
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UCD School of Chemical & Bioprocess Engineering CHEN20040 Chemical & Bioprocess Engineering Laboratory I Experiment: 1 Title: Reaction order of the oxidation of iodide by persulphate in neutral solution Name: Lab Partner: Group: Experiment Performed: Report Due: Report Submitted: Table of Contents Abstract Page 3 Materials and Methods 4 Results and Discussion 5 Conclusion 10 Report Questions 11 Appendices Appendix A. Experimental Data
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