Controlled assessment- How concentration affects the rate of reaction between sodium thiosulfate and hydrochloric acid. SA): Strategy Scientific knowledge Sodium thiosulfate (Na2S2O3)‚ also spelled sodium thiosulphate‚ is a colourless crystalline compound that is more familiar as the pentahydrate‚Na2S2O3·5H2O‚ an efflorescent‚ monoclinic crystalline substance also called sodium hyposulfite or “hypo.” Sodium thiosulphate has a melting point of 48 degrees C. It is freely soluble in water. It contains
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Is the Dismal Science Really a Science? By Russ Roberts This article originally appeared in the Wall Street Journal on February 26‚ 2010 For an economist‚ these are the best of times and the worst of times. We live in the best of times because everyone wants to understand what happened to the economy and what’s going to happen next. Is the mess we’re in a market failure or a government failure? Is the stimulus plan working? Would tax cuts for small business spur employment? When will the
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either as fine arts‚ plastic arts‚ visual arts. Fine arts‚ as opposed to practical arts‚ are the products of human activity which express beauty in different ways and media for our enjoyment and appreciation. Plastic arts are those developed through space and perceived by the sense of sight. Basic Elements of Fine Arts Fine arts have the basic elements of subject‚ medium‚ line‚ color‚ texture‚ volume‚ perspective‚ form and style. SUBJECT answers the question: “What is the work of Art about?” If
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Solutions to Case Problems Manual to Accompany An Introduction To Management Science Quantitative Approaches To Decision Making Twelfth Edition David R. Anderson University of Cincinnati Dennis J. Sweeney University of Cincinnati Thomas A. Williams Rochester Institute of Technology R. Kipp Martin University of Chicago South-Western Cincinnati‚ Ohio Contents Preface Chapter 1: Introduction ♦ Scheduling a Golf League Chapter 2: An Introduction to Linear Programming ♦ Workload
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Examine the main characteristics of both visions and conversion experiences [30 marks] Visions and conversions are both a type of religious experience- it’s a subjective experience where an individual reports contact with a supernatural reality‚ an encounter or union with the divine‚ Religious experiences are preoccupied by extraordinary psychological state and no one can give real evidence about it. According to William James‚ a 20th century philosopher; every religious experience has four
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2.4 Cell Analogy Many teachers use the example: “A Cell is like a factory….the nucleus is the boss‚ the golgi packs and ships materials‚ the mitochondria provides the power/generator‚ etc.” Your task is to come up with a NEW analogy. A cell is like a……? Be sure to include these cell organelles and justify your responses. 1. nucleus 2. mitochondria 3. endoplasmic reticulum 4. chloroplast 5. ribosome 6. golgi body 7. lysosome and vacuole You have a choice as to what product
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Say No to Alcohol - Bad Effects of Drinking Alcohal Last updated on 14 Jul‚ 2011 by Editor When I think of alcohol I think of a man with slurred speech‚ staggering from one side to the other‚ than falling down to the ground face forward flat on his face. This is the face of alcohol and what it does to you. That’s why I call it the drunk man’s drink. Drinking alcohol is one of the worst things anyone can do to their health. It causes so many health problems such as vitamin deficiency‚ skin problems
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Name: __Huram-abi ________________________ Date: 9/20/2012______________________ Student Exploration: Mineral Identification Vocabulary: crystal‚ density‚ hardness‚ homogeneous‚ luster‚ mass‚ mineral‚ streak‚ volume Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Suppose you find a yellow piece of metal in a stream. How could you tell if it is real gold? _To tell if it’s real gold check out it’s density‚ find it’s mass and volume‚ see if it’s luster
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Experiment: Titration of Acidic Household Substances Objective The purpose of this experiment is to determine the molarity and weight/volume percent of acetic acid in vinegar by titration with sodium hydroxide to a phenolphthalein endpoint. This procedure may be modified by titrating an acidic beverage such 7-up or Sprite. Equipment and Material (Total Time 60 – 90 min.) Variety of Berel Pipet Long glass stirring rod Wash bottle 10-mL graduated cylinder 100 mL beakers Material
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PNP –CNPPO Press Release Authority: PCI HONESTO ANTONIO GARON Public Information Officer Camarines Norte Police Provincial Office Camp Wenceslao Q Vinzons‚ Daet‚ Camarines Norte ------------------------------------------------- Date : 04 February 2013 1 Dies in a Vehicular Accident at Vinzons‚ Camarines Norte On February 3‚ 2012 at about 1:35 AM traffic accident transpired along Maharlika Highway involving a silver Kawasaki Fury motorcycle
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