major role in corrosion itself. The activity series is basically an empirical series of metals; in order of reactivity from highest to lowest. Gold being the least reactive at the bottom of the list and lithium being the most reactive at the top of the list. Starting at gold and working up to lithium at the top of the list; the metals increase in reactivity‚ lose electrons more readily to form positive ions‚ corrode more readily‚ require more energy to be
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is the percentage concentration of each solute in the solution? 4. A student wants to make a 5.00 % solution of rubidium chloride using 0.377 g of the substance. What mass of water will be needed to make the solution? 5. What mass of lithium nitrate would have to be dissolved in 30.0 g of water in order to make an 18.0 % solution? 6. What mass of cobalt(II) chloride would be needed tin order to make 650.0 mL of a 4.0% cobalt (II) chloride solution? 7. A saline solution is
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Lauren Minor July 27‚ 2010 Topic 1. Indicate‚ describe and discuss the major theories and principles in abnormal psychology The Biological approach believes that abnormal behavior is caused by structural damage to the brain‚ biochemical imbalances‚ and genetic abnormalities. Research proves that certain characteristics of a person‚ such as a chemical imbalance in the brain‚ can be passed on from parent to child. These studies show patterns of abnormal behaviors from generation to generation
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An Unquiet Mind Nidhi Patel MISA July 28‚ 14 I have a family member (male cousin) who is bi-polar. He got diagnosed two years ago and since I am not around him much‚ I had to call him for this paper. When I called him‚ I told him that I have an essay to write about and the prompt is‚ Write about some of the individuals you know who have a psych disorder. How did they deal with it? Did they cope well or did they struggle. He couldn’t help but laugh out loud and tell me to
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Answer at least ONE question from EACH section. Begin each question on a new page The numbers in brackets on the right hand side of the paper are the marks allocated. 2 Section A ATOMIC STRUCTURE 1. (a) The Lithium ion‚ Li2+‚ consists of a single electron moving about the Lithium nucleus. (i) Calculate the gravitational force‚ and the electrostatic force on the electron‚ which is at a distance of one-third the Bohr radius from the nucleus. ( a o = 0.5292 Å‚ gravitation constant: G = 6.672
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Renewable and Sustainable Energy Reviews 5 (2001) 343–372 www.elsevier.com/locate/rser A review of absorption refrigeration technologies Pongsid Srikhirin *‚ Satha Aphornratana‚ Supachart Chungpaibulpatana Mechanical Engineering Program‚ Sirindhorn International Institute of Technology‚ Thammasat University‚ PO Box 22 Thammasat Rangsit Post Office‚ Patumthani 12121‚ Thailand Received 11 January 2001; accepted 12 February 2001 Abstract This paper provides a literature review on absorption refrigeration
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but it is only useful for the metals below it in the Reactivity Series. In the process of electrolysis‚ the positive metal ions in the compound gain electrons to become atoms of the elements. METAL METHOD OF EXTRACTION Potassium Sodium Lithium Calcium Magnesium Aluminium K Na Li Ca Mg Al These metals are too reactive for ordinary chemical reducing agents like carbon to be used. They are obtained by electrolysing their molten compounds. For aluminium‚ aluminium oxide (from the
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Attention Deficit Disorder‚ widely known as ADD‚ is a brain disorder which many people suffer from daily. The symptoms described by three authors all go hand in hand‚ but ADD varies greatly from person to person and some may have completely different symptoms than others. The diagnosis of ADD varies in each author with their own technique. ADD treatment is a long debated and very rough subject‚ as the authors have different views. The authors express their outlook on the symptoms‚ diagnosis‚ and
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Table of contents 1.2 Letter of recommendations 1.3 Executive Summary of the marketing plan 1.4 Outline of the marketing plan 1.5 Introduction‚ Background‚ summary and update of the case study 2.1.1 Target Market Analysis Primary Target Market Primary Target Market Demographics Secondary Target markets 2.2 SWOT Analysis: 2.2.1 Strengths 2.2.2 Weaknesses 2.2.3 Opportunities 2.2.4 Threats 2.3 Competition Analysis 2.4 Keys to success 2.5 Macro Environment Analysis 2.5.1 Economy 2.5
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UNIVERSITI TEKNOLOGI MARA COURSE INFORMATION Confidential Code Course Level Credit Hours Contact Hours : : : : : CHM 556 Organic Chemistry II Degree 4 3 hr (Lecture) 3 hr (Practical) 3 Core CHM 456 Part Course Status Pre-requisite : : : Course Outcomes : Upon completion of this course‚ students should be able to: 1. Determine functional groups present in organic compounds using Infrared Spectroscopy and interpret Nuclear Magnetic Resonance spectra and relate the information to structural
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