Spectrophotometric Determination of the Equilibrium Constant of a Reaction DEPARTMENT OF MATERIALS‚ METALLURGICAL AND MINING ENGINEERING‚ COLLEGE OF ENGINEERING July 26‚ 2012 ------------------------------------------------- ABSTRACT ------------------------------------------------- Before proceeding to test the next solution‚ we must first clean the cuvette‚ using similar steps earlier. First‚ we rinse with water‚ then with the solution‚ and then we fill it up and test
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Ngoc Pham Chem162B Lab #2: Trends in Periodic Table Date: 01/10/2011 Lab partner: Ian Bauer Result Section: Table I: The solubility of the alkaline earth metal ions | SO42- | CO32- | C2O42- | IO32- | Mg2+ | S | I | S | S | Ca2+ | I | S | S | I | Sr2+ | S | S | S | I | Ba2+ | I | I | I | S | Key: I- insoluble‚ S-soluble Table II: Color of water (Halide) and Halogen (Hexane) layers | Cl2 | Br2 | I2 | Hexane layer | Clear | orange | Pink | Water layer | Clear‚
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Determination of Gas Constant R through Mg and HCl Reaction ! ! ! ! ! !1 of !9 IB Chemistry SL (Jr) Candidate: Yunha Kim Objective ! Candidates will react Magnesium with Hydrochloric acid and collect Hydrogen. The grams of the produced Hydrogen will be calculated and compared to the theoretical yield of Hydrogen. ! Controlled Variables ! Mass of Magnesium Ribbon This will be kept constant as the objective is to determine the Gas Constant (R). If this is influenced
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Officer or Angel A theme of Sherman Alexie’s Flight is constant change‚ instability‚ and violence. The protagonist‚ Zits‚ has been shuffled from foster home to foster home since his mother passed and father abandoned him. The homes and people that Zits has been forced into are all unfamiliar. The only place that gives Zits stability and comfort is‚ oddly‚ jail. With that‚ the only person constantly in his life is Officer Dave‚ a city police officer who has arrested Zits multiple times. Officer Dave’s
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EXPERIMENT NO. 6 DETERMINATION OF THE MOLAR VOLUME OF A GAS AND THE UNIVERSAL GAS CONSTANT Salve‚ Ryan Angelo TAB3‚ Group 6‚ Mr. John Kevin Paulo Biadomang Tabor‚ Frances Hermilyn March 8‚ 2013 ------------------------------------------------- I. Abstract This experiment is working with the ideal gas law‚ which is the summation of Boyle’s Law‚ where pressure is inversely proportional to volume‚ Charles’ Law‚ where the volume is directly proportional to temperature and Avogadro’s Law‚ where
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Date Performed: September 9 ‚2011 SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSOCIATION CONSTANT OF METHYL RED M.C. Caligagan ‚M.N.Q. Tolentino and M.Q. Clores Institute of Chemistry‚ College of Science University of the Philippines‚ Diliman‚ Quezon City‚ Philippines Received :September 21‚2011 ABSTRACT This experiment aims to determine the acid dissociation constant value of Methyl Red by means of spectrophotometry. Ten samples were spectrophotometrically analyzed under a UV-Vis
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Chapter One Business Now: Change Is the Only Constant Review Questions What factors contribute to the rapid pace of change in business? Is the pace likely to accelerate or decrease over the next decade? Why? Financial Institutions got a bailout By President Obama in 2009‚ Mortgage values dropped‚ financial institutions begin to Feel the pressure especially firms such as Bear Stearns that specialized in trading Mortgage backed securities. There was $61.7bn in losses with
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Angela’s Ashes As everyday life goes on‚ human beings are constantly faced with challenges that require sacrifices. In Frank McCourt’s memoir titled Angela’s Ashes‚ he talks about the constant battles his family has with life. He faces issues that no child should have to deal with leading up to his adolescent years: deaths‚ poverty‚ hunger‚ and toil. McCourt titled this memoir as a tribute to remember his mother’s unremarkable suffering. His purpose demonstrates that regardless of the experiences
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frequency to determine Planck’s constant John Greavu Partners: Daniel Erickson and Kevin Haar School of Physics and Astronomy‚ University of Minnesota‚ Minneapolis‚ Minnesota 55455 24 March 2014 The energy of ejected electrons from the cathode end of an electrode due to the photoelectric effect as a function of the incident light’s frequency was measured. Using the PASCO AP-8209 Photoelectric Effect Apparatus‚ an experimental value for Planck’s constant h was determined: (4.27 0.0576)
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