6.05 Rate and Collision Theory Does surface area affect dissolving of Alka-Seltzer tablets? Materials: 1. solo cups 2. Alka-Seltzer tablets 3. Timer 4. Measuring Cup 5. Thermometer Procedures: 1. I placed out two of my solo cups on the counter 2. Then I put 1 cup of room temperature water into each cup. 3. Then put one Alka-Seltzer Tablet in one cup and time it until it dissolves completely. 4. In the second cup I put in a crushed up Alka- Seltzer tablet and timed it until it
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Lab Report: Chemistry DCP + CE Jovi Arya 28 August 2012 Aim The aim of this lab is to determine the order of the reaction between Propanone and aqueous Iodine with respect to Iodine. Apparatus and Reagents Apparatus I. Eye Protection (1) II. Spectrophotometer III. Cuvettes for spectrophotometer IV. Burette (4) V. Burette Stand (4) VI. Stopwatch VII. Conical flask (2) Reagents I. 0.020M I2 (aq.) II. 2.0M CH3COCH3 (aq.) III. 2.0M HCl (aq.) Raw
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Introductory Activity Heart Rate (pulse) Have the students find their heart pulse on the carotid artery of the neck. Use the index and middle finger to measure the pulse. Count the number of beats for 6 seconds and add a zero to the end of that number. This number represents the heart beats per minute. The heart pulse is located on either side of the wind pipe‚ next to the voice box. Allow the students to practice measuring their pulse to determine their resting heart rate. Explain that they need to
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Science Coursework-Rates of Reactions Introduction Investigating how the concentration of sodium-thiosulphate (STS) and hydrochloric acid (HCL) affects the rate of reaction in the experiment. In addition I am also checking how different variables affect my experiment and also how I can make my test more precise‚ reliable and accurate. Strategy According to my results‚ as the concentration of STS solution increased the rate of reaction of my experiment was increased. Also as the concentration
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Effect of Concentration on Reaction Rate Aim: To use a simple reaction between sodium thiosulphate and hydrochloric acid to discover concentration this determines how fast chemical reactions occur. Independent Variable: Concentration of hydrochloric acid (%) Dependent Variable: Time taken for chemical reaction to take place (sec) Hypothesis: My prediction is that the increased concentration of the thiosulfate will in turn lead to an increase in the rate of reaction. This is a well informed
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Chemistry Coursework Rates of Reaction Investigation Introduction In this investigation I am going to be investigating the reaction between marble chips and hydrochloric acid‚ and to see what differences in the rate of this reaction arise when different concentrations of acid are used. Below is the word equation for this reaction: Calcium Carbonate + Hydrochloric Acid = Calcium Chloride + Carbon Dioxide + Water Below is the fully balanced chemical equation for this reaction. CaCo3
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Exchange Rate Mechanisms Paper - Currency Hedging University of Phoenix Global Business Strategies MGT 448 Oct 05‚ 2005 Exchange Rate Mechanisms Paper - Currency Hedging Currency hedging involves deliberately taking on a new risk that offsets an existing one‚ thereby reducing a businesses ’ exposure to negative change in exchange rates‚ interest rates‚ or commodity pricing (Economists.com‚ n.d.). "Currency hedging allows a business owner to greatly reduce or eliminate the uncertainties
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ECONOMICS PROJECT REPORT ON INTEREST RATES AND INDUSTRIAL GROWTH (2009-10 to 2011-12) Submitted By: Mohana Goel (12DM077) Mohit Bhola (12DM078) Nidhi Dalal (12DM090) Nishant Raj (12DM097) Nishtha Chugh (12DM098) Piyush Chib (12DM102) CONTENTS 1. INDIAN ECONOMY:Overview 2. INTEREST RATES 3.1. MEANING 3.2. REAL vs NOMINAL INTERST RATES 3.3. TYPES OF INTEREST RATES 3.4. EFFECT OF INTEREST RATE RISE 3. MONETARY POLICY 4.5. MEANING 4
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Exchange rate development in Ethiopia Monetary Development The legal tender currency of Ethiopia was issued on 23 July 1945 by defining the monetary unit as the Ethiopia dollar (E$) with a value of 5.52 grains (equivalent to 0.355745 grams) of fine gold. The linkage with fine gold was in accord with the monetary system established by the Bretton Woods Agreement of 1944. For the five years following the proclamation of the national currency (1945–1950)‚ money supply of the country was determined
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BIDS-PRP WORKING PAPER SERIES Exchange Rate Policy under Floating Regime in Bangladesh An Assessment and Strategic Policy Options Working Paper No. 2 Monzur Hossain * Mansur Ahmed∗∗ October‚ 2009 * Research Fellow‚ Bangladesh Institute of Development Studies (BIDS) ∗∗ Research Associate‚ Bangladesh Institute of Development Studies (BIDS) BIDS-PRP WORKING PAPER SERIES Working Paper No. 2 EXCHANGE RATE POLICY UNDER FLOATING REGIME IN BANGLADESH: AN ASSESSMENT AND STRATEGIC POLICY OPTIONS
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