the electrons as a back donation to the pi orbital in DMSO. In the first experiment‚ I had to synthesized CuCl2~2DMSO to determine which DMSO atom; Sulfur or Oxygen‚ combined to Copper (II) Chloride. I was able to determine it base on finding the melting point and observing the Infrared Spectroscopy. Since copper is a hard metal‚ it will most likely bond to an oxygen atom because they are both hard. In the second experiment‚ I also synthesized RuCl2~4DMSO to determine which DMSO atom; Sulfur or Oxygen
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Numerical Methods Questions 1 f(x) = x3 – 2x – 5 a) Show that there is a root β of f(x) = 0 in the interval [2‚3]. The root β is to be estimated using the iterative formula ‚2 5 2 0 2 1 1 = =++ x x x n n b) Calculate the values of x1‚ x2‚ x3‚ and x4‚ giving your answers to 4 sig fig. c) Prove that‚ to 5 significant figures‚ β is 2.0946 2 Use the iterative formula n n n cox x x − =+ 1 1 With x1 = 0.5 to find the limit of the sequence x1‚ x2‚ x3
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EXPERIMENT 1 “HOW DO I LOVE THEE LET ME COUNT THE WAYS...” DETERMINATION OF AVOGADRO’S CONSTANT Techniques Calibration drop counting MSDS available for • • stearic acid‚ CH3(CH2)16COOH cyclohexane‚ C6H12 Principles molar volume molecular structures surface areas and volumes Avogadro’s constant percent error Recommended Advanced Reading Chapter 3 in Petrucci‚ Herring‚ Madura‚ & Bissonnette’s General Chemistry‚10th Ed. Avogadro Constant...1 INTRODUCTION
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cabbage solution and to construct a basic pH scale to determine the pH of unknown solutions. Materials - • red cabbage leaves • 250 mL beaker • hotplate or Bunsen burner‚ tripod‚ gauze mat and bench mat • 10 test-tubes – equal size • test-tube rack Methods - Part A: Making the indicator 1. Tear up one or two red cabbage leaves‚ and place them in the beaker with enough water so that the cabbage is just covered. 2. Heat the beaker until the water is gently boiling. Continue to boil until the water
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evaluation by ranking method Job evaluation by ranking method 1. Overview of ranking The ranking method is simple to understand and practice and it is best suited for a small organization. Jobs are compared to each other based on the overall value of the job to the organization. The ‘worth’ of a job is usually based on judgements of skill‚ effort (physical and mental)‚ responsibility (supervisory and fiscal)‚ and working conditions. 2. Advantages of ranking • Simple. “Alternation” method ranks “highest”
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Research Methods by Comparison Information John Distler HR 301Research Paper 02/21/2014 Professor Gilbert Abstract Humans seek out solutions all the time and in order to find solutions some kind of research must be done. Research is defined as “a detailed study of a subject‚ especially in order to discover (new) information or reach a (new) understanding.” (Polonsky and Waller 2011) When most people think of conducting research they think it is done for educational
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EFFECTIVE TEACHING METHODS AT HIGHER EDUCATION LEVEL Dr. Shahida Sajjad Assistant Professor Department of Special Education University of Karachi. Pakistan ABSTRACT The purpose of this study was to determine the effectiveness of various teaching methods used for teaching students at graduate level. Two hundred and twenty undergraduate students studying in 11 departments of Faculty of Arts‚ University of Karachi‚ were interviewed about their perceptions of best and effective teaching methods and the reason
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RESEARCH METHODOLOGY Research Methodology is a way to systematically solve the research problem‚ it not only takes the research methods but also consider the logic behind the methods. The study of Research Methodology for developing the project gives us the necessary training in gathering materials and arranging them‚ participation in the field work when required‚ and also provides training in techniques for the collection of data appropriate to particular problems. primary objectives 1) -To
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Mathematics Subject Name: Numerical Methods Subject Code: MA1251 Unit I 1) Write the Descartes rule of signs Sol: 1) An equation f ( x) = 0 cannot have more number of positive roots than there are changes of sign in the terms of the polynomial f ( x) . 2)An equation f ( x) = 0 cannot have more number of positive roots than there are changes of sign in the terms of the polynomial f ( x) . 2) What is the order of convergence of Newton Raphson method if the multiplicity of the root is
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Methods of production Production methods fall into three main categories; however‚ all production methods can be assisted with CAM and CAD equipment (Computer Aided Manufacture and Computer Aided Design – respectively). 1. Job Production and Prototype Production Job Production is used when a product is produced with the labor of one or few workers and is scarcely used for bulk and large scale production. It is mainly used for one-off products or prototypes‚ as it is inefficient; however‚ quality
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