S.4Chemistry 2nd Term Project Be a Chemical Analyst-Analysis on ethnoic acid. Objective This experiment aims at determining the percentage by mass of ethanoic acid(CH3COOH) in a commercial vinegar using titration method. Chemical reaction involved: CH3COOH(aq) + NaOH(aq)→ NaCH3COO(aq) + H2O(l) Apparatus: An electronic balance‚ a 10.0cm3 pipette‚ a 25.0cm3 pipette‚ a pipette filler‚ a 250.0cm3 volumetric flask‚ a burette‚ stand and clamp‚ a conical flask‚ a white tile‚ 3 large beakers‚
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Purpose: In this lab‚ a mixture of naphthalene (C10H8)‚ common table salt (NaCl)‚ and sea sand (SiO2) will be separated using the separation techniques in order to demonstrate the properties of mixtures and their ability to be separated by physical means. INTRODUCTION: This lab was based on the separation of the components of a mixture. A mixture can be defined as a physical combination of two or more pure substances. Separation techniques are used to separate components that are not chemically
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ALCOHOLS Alcohols are compounds in which one or more hydrogen atoms in an alkane have been replaced by an -OH group. For the purposes of UK A level‚ we will only look at compounds containing one -OH group. For example: Primary alcohols In a primary (1°) alcohol‚ the carbon which carries the -OH group is only attached to one alkyl group Some examples of primary alcohols include: Secondary alcohols In a secondary (2°) alcohol‚ the carbon with the -OH group attached is joined directly to
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Nuclear Chemistry webquest by Margaret Moore semester 1 Chemistry Part One 1) The term Half-life for a radio-active substance means the time it takes for the substance to decay while decreasing by ½. 2) Spontaneous fission is a type of radioactive decay in heavy elements with unstable nuclei being split into more stable smaller fragments 3) Two important application of neutron radiation are neutron therapy for tumors/cancer and neutron bombs for defense. 4) Ionization radiation is radiation
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Review for First Quarter Exam AP CHEMISTRY List of topics – Chapters: review‚ 1‚ 2‚ 3.1 and 3.2 1. Scientific Method 2. Significant Figures 3. Calculation with significant figures 4. Uncertainty 5. Density problems 6. Density Graphs interpretation 7. Dimensional Analysis 8. States of Matter 9. Classification of matter 10. Separation techniques 11. Structure of the atom a. historical development: Democritus; Aristotle; Dalton (postulates‚ law of definite proportions‚ law of multiple
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Exercise 5 INTRODUCTION TO STEREOCHEMISTRY I. Introduction Stereochemistry is concerned with the shapes of molecules and how the differences in shapes can effect the properties and reactions of compounds. Subtle differences in molecular shape have far – reaching consequences and it is probably the field of molecular biology that a full awareness of molecular shapes has emerged. A knowledge of the molecular shapes of such vital compounds as sugars‚ amino acids‚ and proteins is essential
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COMPANY PROFILE INTRODUCTION: Corporation Bank‚ founded in 1906 in Udupi‚ Karnataka state‚ India‚ is one of the Indian Banks in Public Sector Undertaking. The body was founded with an initial capital of Rs. 5000 (US$ 100)‚ and first day’s canvassed resources of less than one US$ 1‚ has currently (31 march 2004) 11‚325 full time employees‚ and operates from several branches in India. The Bank is a public sector unit with 57.17% of share capital held by the Government of India. The Bank
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2. What advantages are there for the consumer in having public utilities owned and operated as Crown Corporations? Most of the Crown Corporations are designed to meet the public needs‚ especially transportations. Since some of the private sectors are unable to provide those public needs‚ government has to open up some corporations to meet the needs. The price of the Crown Corporations is controlled by the government. The price‚ therefore‚ will be reasonable to meet the basic needs of the consumers
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Splash Corporation It was about survival: with little capital‚ a growing family‚ and uncertain socio-economic times‚ the Hortalezas embarked on a journey of self and spirit‚ despite the uncertainties. Submitted to: Mrs. Emily Dumalag Submitted by: Group 3 Jovelyn Penit Melissa Purisima Marc Ryan Macabali Jose Ramon Estacion Sanlee Rudavites Febie John Tomulto Michael Fullon Roldan Alingasa Overview The company started in 1985‚ when the newlywed physicians pooled a grand total
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Introduction Microsoft Corporation is a multinational company based in Redmond Washington. The company manufactures computer products and offer computer services. The company also licenses and supports various types of computer products and services. Microsoft Corporation was founded in 1975 by Bill Gates and Paul Allen. The company is the largest software manufacturer globally in terms of revenue. It is also the most valuable organization in the world. Bill Gates and Paul Allen founded the company
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