LAB REPORT 4 DETERMINING AN EQUILIBRIUM CONSTANT CAUSION 1. Potassium thiocyanate (KSCN) is hazardous 2. Wear protective material before performing the experiment. INTRODUCTION This experiment outlines the techniques necessary to determine the equilibrium constant for the formation of an iron(III) thiocyanate complex ion (FeSCN2+) from Fe3+ and SCN- . The quantitative preparation of several solutions and subsequent measurement of the solution absorbance
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breathing overexposure‚ as pulmonary edema may be delayed. ii. Dermal exposure Ans : Quickly remove contaminated clothing. Immediately wash contaminated skin with large amounts of soap and water. Seek medical attention immediately. iii. Eye exposure Ans : Immediately flush with large amounts of cool water. Continue for at least 30 minutes‚ occasionally lifting upper and lower lids. Remove contact lenses‚ if worn‚ while rinsing. Immediate medical attention is necessary. b. Chemical : Etanol
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1. The process of determining whether an entrepreneur’s idea is a viable foundation for creating a successful business is known as a: 2. Porter’s five forces model assess industry attractiveness by surveying these five factors: 3. The strongest of the five forces in most industries is: 4. The force from the five forces model that considers economies of scale‚ initial capital requirements‚ cost advantages relevant to company size‚ and lack of brand loyalty is the: 5. The primary purpose of the
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Amazing Power of Aluminum Foil Overview Greatly known for its negative impacts but‚ a study revealed of its positive health impacts that outweigh the negative. Aluminum foil is used to cover preserved food in order to make it last long and avoid any contamination. It has ability to heal wounds and scars in a way that you have to wrap the affected area with the foil for a period of 10 hours before unwrapping. Repeat the procedure in 3 times a month to enable permanent healing. Aluminum foil in the kitchen
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One possible source of scientific error that could be present in the experiment is that when placing the aluminum foil onto the center of the pan‚ the flame under foil in centered only at the centered. The unknown substances are placed around the side of the aluminum foil‚ only allowing the flame’s heat to hit the center of the aluminum foil and the area around it. This possible source of error may have affected the outcomes of the experiment because the unknown substances present on the foil may
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Observing Aluminum Foil Lab Alexandra Bellissimo Mrs. Taylor D1P4 Date preformed: September 11th 2014 Date of Submission: September 19th 2014 The purpose of this experiment is to calculate the thickness of aluminum foil in centimeters. In this lab we measured the thickness by plugging in the quantitative properties of our piece of aluminum foil into the equation for volume and then isolated “h” to solve for height. The thinking behind this method is that by using
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Plan a procedure that will allow you to compare quantitavely the glucose concentration in fresh samples of orange‚ lemon and grapefruit juice. Aim: The aim of this investigation is to produce a set of data which will enable comparison of the glucose concentrations of orange‚ lemon and grapefruit juice. Research: Benedict’s Reagent is a mixture of sodium compounds and copper sulphate. The copper ions are reduced by fructose (a reducing sugar) to form copper oxide‚ thus turning it from blue
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Wooden Versus Aluminum Bats What happened to the old fashioned crack of the bat? The wooden bat has been used since the game’s establishment in 1864. An aluminum bat is more dangerous that a wooden bat due to the advanced technology. However‚ I believe that a wooden bat is better than a aluminum bat. The baseball bat controversy has been lingering over amateur baseball since the NCAA (National Collegiate Athletic Association) allowed the use of aluminum bats for the first time in 1974 (Adelson)
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crashes are insufficient‚ and are still working to implement The Basel III framework. The Basel Committee on Banking Supervision tried to concentrate on solving some of the major systematic problems known during the financial crisis‚ however Basel III might fail to reduce the risks‚ some major countries could choose to reject the proposals or delay the implementation of this framework. One of the main problems is that Basel III is focusing mostly in Europe and the United States‚ ignoring the practices
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THE EFFECT OF CONCENTRATION ON REACTION RATE INTRODUCTION • Concentration is one factor which has an effect o the rate of a chemical reaction. In chemistry we describe concentration in terms of the number of moles of a substance there are in every cubic decimetre (litre) of solution‚ written as moles.dm-3 of M for short. • In this experiment you will find out how increasing the concentration of the acid solution changes the rate of the reaction between dilute hydrochloric acid and magnesium
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