Research for Kinetics Coursework http://www.google.co.uk/#sclient=psy-ab&hl=en&rlz=1R2ADRA_enGB386&source=hp&q=An+investigation+into+the+kinetics+of+the+reaction+between+potassium+peroxodisulphate+and+potassium+Iodide&pbx=1&oq=An+investigation+into+the+kinetics+of+the+reaction+between+potassium+peroxodisulphate+and+potassium+Iodide&aq=f&aqi=&aql=1&gs_sm=e&gs_upl=4649l5023l3l5663l2l0l0l0l0l0l0l0ll0l0&rlz=1R2ADRA_enGB386&bav=on.2‚or.r_gc.r_pw.&fp=4cbda8eccdfde5e1&biw=1280&bih=600 http://www.chemistry-react
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Chemical Kinetics‚ A Clock Reaction Abstract The purpose for the experiment Chemical Kinetics‚ a clock reaction is to figure out the reaction rate of a solution regarding its concentration‚ temperature‚ and also determine the effects of when a catalyst is present. The experiment resulted that the concentration‚ as well as its temperature can affect the rate constant inversely the outcome of the rate constant. By conducting the experiment‚ it is also discovered that the rate order of the reaction
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Investigation - Solution Colour and Ion Concentration Aim: To investigate whether solution colour can be used to reliably determine the concentration of coloured ions in a solution. Hypothesis: the concentration of permanganate ions in the solution is inversely proportional to the percentage transmission of light through the solution. Dependent variable: concentration of permanganate ions. Independent variable: percentage transmission of light through the solution. Equipment: 20 ml
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The lab today was focused on finding the ratio of reactants to products to be either 1 to 1 or 1 to 2. In our case the reactants was Lead (II) Nitrate and Potassium Iodine. These two when mixed together make Lead Iodide and Potassium Nitrate. We also had to try and find if the number of moles of Lead(II) Nitrate was the same as the final number of moles for Lead Iodine after the experiment. Our data for the lab had pinpoint accuracy. Proved by the data table below Trials Volume of Pb(NO3)2 Mol
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EXPERIMENT 3-CHEMICAL KINETICS: THE IODINE-CLOCK REACTION J.CHAN1 and C.CABANLIG2 1NATIONAL INSTITUTE OF MOLECULAR BIOLOGY AND BIOTECHNOLOGY‚ COLLEGE OF SCIENCE 2NATIONAL INSTITUTE OF MOLECULAR BIOLOGY AND BIOTECHNOLOGY‚ COLLEGE OF SCIENCE UNIVERSITY OF THE PHILIPPINES‚ DILIMAN‚ QUEZON CITY 1101‚ PHILIPPINES DATE SUBMITTED: JANUARY 8‚ 2013 DATE PERFORMED: DECEMBER 5‚ 2012 ------------------------------------------------- ABSTRACT The kinetics of the reaction between persulfate (S2O82-)
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equation‚ (c) net ionic equation for this neutralization reaction: KHSO4 (aq) + NaOH (aq) → ? 2. In each of the following cases‚ predict whether a reaction will occur‚ and‚ if so‚ write the net ionic equation for the reaction: a. ZnSO4 (aq) + BaS (aq) → ? b. NaHCO3 (aq) + Ca(OH)2 (aq) → ? 3. Assign an oxidation number to each atom in: a. Al2O3 b. HAsO42c. NaMnO4 4. Identify the reducing agent and the oxidizing agent in the following reaction: MnO4- + 5 Fe2+ + 8 H+ → Mn2+ + 5 Fe3+ + 4 H2O 1
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System I: Ion Channels 1. What structures in the cell membrane function as ion channels? Integral Proteins 2. Ion channels are selective for specific ions. What three characteristics of the ions are important for this selectivity? 1. Charge 2. Size 3. Amount of water the ion attracts 3. Channels can be classified as either gated or nongated channels. A sodium channel that is always open would be classified as a/an __________nongated______________ channel. 4. Would sodium ions move into
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Buffer solutions and common ion effect A buffer solution resists (or buffers) a change in its pH. That is‚ we can add a small amount of an acid or base to a buffer solution and the pH will change very little. How to calculate pH of buffer solution containing both acid and conjugate base? Dissociation constant definition 1.1 can be rearranged into or (note that due to sign change [A-] was moved to nominator). This is so called Henderson-Hasselbalch equation (or buffer equation)
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factors affecting the kinetics of reaction between peroxodisulfate (vi) and iodide d. del prado1 and j. belano2 1 department of food science and nutrition‚ college of home economics 2 department of food science and nutrition‚ college of home economics university of the philppines‚ diliman‚ quezon city 1101‚ philippines date submitted: january 7‚ 2013 ------------------------------------------------- ------------------------------------------------- ABSTRACT -------------------------------------------------
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Kinetics of a Reaction I. List of reagents & products 1. 1.0 M Copper(II) nitrate (Cu(NO3)2‚ 0.10 M Hydrochloric Acid (HCl)‚ 0.010 M Potassium Iodide (KI)‚ 0.040 M Potassium Bromate (KBrO3)‚ 0.0010 M Sodium Thiosulfate (N2S2O3)‚ 2% Starch solution‚ Water (H2O) II. Summary of Procedure. Part 1: Find the Volume of One Drop of Solution 2. Fill pipet with 3ml of distilled water 3. Mass a beaker and record 4. Put 5 drops of water into beaker and record
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