The Absorption Spectrum of Cobalt(II) Chloride Thang Dinh Lab partner: Alex Yang CHM 151 – 102 11/17/2014 Introduction: Many compounds absorb a certain spectrum of visible light. Since Beer’s Law describe the relationship between molar absorptivity and concentration‚ one could use his equation A = kc to find the unknown concentration by the known absorptivity. The graph of absorption spectrum is represented by a linear regression. From the graph‚ one could deduct that as the concentration decreases
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Individual Contribution Our project began with brainstorming sessions on how to approach the task at hand. On this first level‚ we were discussing about so many information that we felt it was time that we pulled those ideas together and start working on the project. Each of us did our share in the project and later a meet up was initiated to discuss and compiled our information. Each individual in a team has their own strengths and weaknesses. When learning teams are properly structured and
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Practical 3 ABSORPTION SPECTRA AND THE BEER-LAMBERT LAW The purpose of this practical was to measure the amount of a chemical substance present in a sample. Primarily‚ the aim of Experiment 1 was to measure the absorption spectrum of a particular coloured substance (in this case Bromophenol Blue and Methyl Orange) at varying wavelengths of light. For Experiment 2‚ the process of the experiment focuses on the substance and records its absorption levels at different concentrations. The absorption levels
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The Contributions of Management Theory and Practice to Emergency Management John C. Pine is the Director of the Disaster Science and Management‚ Professor-Research with the Department of Environmental Studies and Interim Chair of the Department of Geography and Anthropology at Louisiana State University in Baton Rouge‚ LA. (225) 578-1075 Email: jpine@lsu.edu httt://www.risk.lsu.edu Abstract This chapter takes a look at the impact that management theory and how the basic functions
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Asian Contributions Mary-Lyn Rose Grand Canyon University: SOC-415 December 23‚ 2012 Asian Contributions Many years ago‚ the laws of the United States prohibited Asian immigrants from entering the country. This law was eventually revoked and in 1952 legislation passed that allows people of all races to become United States Citizens. According to the U.S. Embassy website (n.d.)‚ “today Asian Americans are one of the fastest growing ethnic groups in the country‚ currently approximately fifteen
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Contributions of Charlemagne During all the history have been a lot of great emperor‚ kings‚ and all the realty stuff which in the past they have a lot of importance because they have to govern the people and also give an example and in a way teach them how to live and be the head of the country. Charlemagne that means Charles the great was the king of the Franks and he expanded his empire greatly. He was a Christian governor and he makes a lot of things to the church and for its country. In the
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The contribution of e-HRM to the business organizations in the HR area Introduction: In today’s‚ with the develop of the information technology‚ information systems and the internet are become more and more important and revolutionizing the Human Resource Management in the organization‚ increasing the efficiency of the operation and supporting the HR professionals in those HR functions. Therefore‚ the e-HRM systems was derived which is use of web- based technologies for human resources management
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1. a.) Contribution per CD unit: Unit Selling Variable Costs $9.00 1.25 - .35 1.00 = $6.40 $6.40 b.) Break-even volume in CD units and dollars: ($275‚000 + 250‚000) / 6.40 = 82‚032 units 82‚032 * $9.00 = $738‚288 to break even c.) Net profit if 1 million CD’s sold: 1‚000‚000 * 6.40 = 6‚400‚000 6‚400‚000 525‚000 = $5‚875‚000 d.) Necessary
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A Spectrophotometric Analysis of the Absorption of Green Light Versus Red Light Absorption in Spinach Leaves The goal of the experiment was to determine if green light had less ability to absorb than red light in spinach leaves. This was done by separating the photosynthetic pigments (chlorophyll a‚ chlorophyll b‚ carotene and xanthophylls) from one another using paper chromatography. The separated pigments were then analyzed for their absorption spectrum using a spectrographometer. When the
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