nature of electron pairs on bond angles in molecules of methane‚ ammonia and water Shapes of some polyatomic ions Shapes of molecules with multiple bonds Molecular crystals of buckminsterfullerene (C60) 23.1 – 23.7 Summary 1 Examples of covalent molecules with non-octet structures are as follows: Molecule Electron diagram F BF3 B F F SF4 F Molecule Electron diagram F S F F Cl PCl5 Cl Cl P Cl Cl SF6 F F F S F F F 2 The following table summarizes
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Experiment 4: ACIDS AND BASES: PH Measurements and Macroscale Titration CHM023L – A12 Group no. 6 Members: | Contributions: | | Conclusion | | Recommendation | | Tables and figures with analysis | | Principles‚ Equation | | Abstract‚ tables | Date Performed: February 28‚ 2012 - Tuesday Date Submitted: March 6‚ 2012 - Tuesday Submitted to: ------------------------------------------------- ABSTRACT: This experiment introduces us the pH measurement and application of macroscale titration
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Domestic Violence Research Critique Breann Donaghue NRS 433 V Introduction to Nursing Research Grand Canyon University 6/28/15 Introduction Domestic abuse is a problem in the USA‚ and the research article that I am critiquing is studying the effectiveness of screening for domestic abuse in health care pre-screening settings. Domestic abuse is a hard situation for the woman going through it and often times it’s a hard subject to discuss. In order to help women with this process it’s
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NUCLEIC ACIDS I.BASIC CONCEPTS II.CLASSES III.CHEMICAL NATURE IV.FUNCTION I.BASIC CONCEPTS NUCLEIC ACIDS polymeric macromolecules‚ or large biological molecules‚ essential for all known forms of life are made from monomers known as nucleotides Each nucleotide has three components: a 5-carbon sugar‚ a phosphate group‚ and a nitrogenous base If the sugar is deoxyribose‚ the polymer is DNA. If the sugar is ribose‚ the polymer is RNA. Together with proteins‚ nucleic acids are the most
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Absorbance of Light vs. Concentration of Colored Solution Introduction: Performing this lab showed the importance of light in virtual drug screening because light can be used in a variety of ways to obtain different kinds of information in research. Light can be used to determine the concentration of DNA or protein in solution‚ tag different objects such as cells‚ protein structures‚ or bacteria in order to determine whether there is a large amount of a certain substance‚ and to determine the size
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Research Critique‚ Part 2 To write a critical appraisal that demonstrates comprehension of the research study conducted‚ respond to each of the questions listed under the headings below. Do not answer the questions with a yes or no; rather‚ provide a rationale or include examples or content from the study to address the questions. CRITICAL APPRAISAL GUIDELINES: QUANTITATIVE STUDY Protection of Human Participants * Identify the benefits and risks of participation addressed by the authors
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Research 3 for It221 Frantzy Senat 1. A) Active Directory Federation Services provides a way for users to access multiple services within a network using a single sign-on process that authenticates for all the services. This eliminates the need for the user to sign-on to multiple services and/or maintain multiple user accounts B) Active Directory Lightweight Directory Services is a lightweight version of active directory. It doesn’t require domains‚ or forests but can still be used for storage
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Lauric Acid Lauric acid‚ also known as Dodecanoic Acid‚ was discovered in 1849 by Marrsson T. It was first discovered in Lauraceae seeds‚ but it is also commonly found in soaps‚ vegetable oil‚ coconut oil‚ and breast milk. Lauric Acid is a clear‚ solid compound that is insoluble in water. It also comes in the form of a white powdery substance. The chemical formula is C12H24O2. It has a molecular weight of 200.32 g/mol. Lauric Acid also has a melting point of 44 C and a boiling point of 289.9
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2013 Assignment 1: The Chemistry of Life Effects of Acid Rain There are many different types of negative effects acid rain has on the world. Acid rain is the mixture of wet and dry deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acids. Pollution contributes to the forming of acid rain. One of the main causes is industrial burning of coal and other fossil fuels the oxides they contain and combine with atmospheric water which forms acids. One of the
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8) Criteria Assessed: DCP‚ CE Time allowed: 1.5h Name: ________________________ Internal Assessment Criteria Aspect 1 Aspect 2 Aspect 3 Total DCP CE Aim: The aim of this practical is to plot and investigate the pH titration curves for the titration of a strong acid with a strong base and of a weak acid with a strong base‚ and find Ka of the weak acid. Procedure: Part I 1. Pour 30 ml of the HCl solution of unknown concentration in a 100 ml beaker. 2. Add a stirring magnet. 3. Place the beaker
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