CH 127 – Chem 2 Lab Determination of an Equilibrium constant Goals The purpose of this experiment is to determine the equilibrium constant for the reaction Fe3+(aq) + HSCN(aq) –>FeSCN2+(aq) + H+(aq). The equilibrium constant expression Kc for Reaction is kc=FeSCN2+[H+]Fe3++[HSCN] Procedure *Preparation of the Beer’s law plot Prepare five solutions of FeSCN2+(aq) of known concentrations between 1x10-5M and 1x10-4M by diluting various volumes of 4.62x10-4 HSCN. Calculate the Final concentration
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Question 1 -Market analysis of smoothies market ------------------------------------------------------------------------------------------------------- 1.1 Market size of smoothies market Based on Mintel’s research of UK volume and value sales of smoothies between 2003 and 2008 (referring to Appendix)‚ Figure 1 shows the growth trends of quantity and value sales of smoothies during 2003 and 2008 in UK. As can be seen in Figure 1‚ sales of smoothies have kept in growth since 2003. The growth rate
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I - Introduction: Nowadays‚ virtually almost every country in the world has once engaged in trade activities due to the obvious benefit it can bring. Besides‚ free trade activities are also being encouraged in all over the world. However‚ along with these benefits‚ free trade in fact brings plenty problems‚ especially for the developing countries. This paper will discuss the advantages and disadvantages of free trade in developing countries‚ and provide a pessimistic point of view in the global
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September 19 2013 Environmental Chemistry - ENCV800401 + Review: Biogeochemical cycle Consists of: Pool: Source and sink Fate and transport Substance and speciation Equilibrium and kinetics Mass balance Quantifying through numerous method‚ including: Equilibrium gases in water + Preview: Basic Aquatic Chemistry : An Introduction Properties of water Air-water exchange Acid-base reaction in natural waters Precipitation and dissolution in natural
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THIRD DOING RESEARCH in the REAL WORLD EDITION DAVID E. GRAY 2 THEORETICAL PERSPECTIVES AND RESEARCH METHODOLOGIES CHAPTER INTRODUCTION Chapter outline ●● Inductive and deductive reasoning 16 ●● Research methodologies 29 ●● Epistemological and ontological perspectives 19 ●● Selecting research approaches and strategies 34 ●● Theoretical perspectives 21 Keywords ●● Inductive ●● Objectivism ●● Deductive ●● Constructivism ●● Epistemology ●● Subjectivism ●● Ontology
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Abstract Equilibrium is the condition of a system in which competing influences are balanced. In the experiment we measured and experimented for the equilibrant force‚ conditions and center of gravity. Our results showed consideration as to disregarding other forces than weight and tension. 1. Introduction Equilibrium is a state of balance in which it is a condition where there is no change in the state of motion of a body. Equilibrium may be observed on objects which are at rest and also
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Steven Dziuk SC300 Big Ideas in Science: From Methods to Mutation Unit Five Project Temperature and Equilibrium Virtual Lab June 15‚ 2010 Temperature and Equilibrium Virtual Lab This virtual lab studies the affects different temperatures have on two sets of molecules‚ both separate and when mixed. I will compare how these two sets of molecules react in colder temperatures; then hotter temperatures; and how the two react with each other. Then‚ based on these findings‚ I will offer
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main objective of this experiment was to obtain some experimental measurement of Vapor Liquid Equilibrium for the Ethanol – Water system to verify the literature data. For this the Ethanol – Water system was heated to a certain temperature which is called the equilibrium temperature at atmospheric pressure and equilibrium temperature and compositions of vapor and liquid were measured. At the equilibrium temperature the samples of both vapor and liquid were taken in two different test-tube and the
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Chemical equilibrium is the point at which the concentrations of reactants and products do not change with time. It would appear as if the reaction has stopped‚ but in fact‚ the rates of the forward and reverse reactions are equal‚ causing the reactants and products to be created at the same rate. This can be expressed mathematically in the form of the equilibrium constant. The following is the general equation for a reversible chemical reaction: aA+bB →cC+dD
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facing trade-offs‚ analyzing what individuals give up to get‚ analyzing marginal costs and benefits‚ and reviewing incentives. Furthermore‚ many individuals could see how these principles affect the economy as a whole. Making decisions in the economic world is something that numerous individuals do on a daily basis. To begin‚ people face trade-offs‚ for instance‚ if an individual is in college he or she may spend more time in on particular subject. To begin lets say that the class that is being
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