CH11: LEADERSHIP Leaders: press for change‚ provide vision‚ strategy‚ develop followers Manager: promote stability‚ implement vision and strategy‚ coordinate &staff‚ handle day to day operations Theories: Trait theory : predict leadership big five: extraversion‚ conscientiousness‚ openness ‚ EI (EMPATHY) Contingent theory: leadership effectiveness depends on situation‚ adjustment of behavior is required Fiedler contingency model: effective group performance depends on proper match between
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ACID BASE IMBALENCE INTRODUCTION The body normally maintains a steady balance between acids‚ produced during metabolism and bases that neutralize and promote the excretion of the acids.Many health problems may lead to acid base imbalance.Patients with Diabetis mellitus ‚COPD‚and kidney disease frequently frequently develop acid base imbalences. Vomiting and diarrhea may also cause acid base imbalance.The kidneys are an essential buffer system for
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Experiment Acids‚ Bases‚ and Neutrals Problem Are common house-hold products pH balanced and neutral? Information Gathered pH measures how acidic or alkaline a solution is. The pH scale ranges from 0-14. Solutions that range from 0-6 are considered to be acidic. Solutions that are on the acidic end of the scale are low in pH‚ high in hydrogen ion‚ and low in hydroxyl ions. An acid has a sour taste‚ hence‚ will react to metal and will be corrosive; therefore‚ they are considered as an electrolyte
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Aqueous Acid/Base Chemistry Resources: Harris ‘Quantitative Chemical Analysis’ Review: Pure water has a pH = 7 Autodissociation: H2O (( H3O+ + OH- K = [H3O+][OH-]/[H2O] -log[H3O+] = 7 [H3O+] = 10-7 M = [OH-] [H2O] = 55.56 M K = 1.8 x 10-16 ; pKa = 15.74 pKa is the acid dissociation constant; low pKa (strong acid‚ high pKa (weak acid we can also write Kw = [H3O+][OH-] Kw = 10-14 In water‚ pH + pOH = 14 pH scale Strong
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Review Sheet Exercise 10 Acid/Base Balance NAME 1. Match each of the definitions in Column A with the appropriate description in Column B. Column A Column B F 1. pH E 2. acid D 3. base A 4. acidosis B 5. alkalosis C 6. carbon dioxide a. condition in which the human body’s pH levels fall below 7.35 b. condition in which the human body’s pH levels rise above 7.45 c. mixes with water in the blood to form
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Breaking Bad or Good? A sin‚ by definition‚ is an immoral act considered to be a transgression of divine law. But when‚ if ever‚ does committing a sin become justifiable? Brady McAlpine investigates this grey area of morality. Breaking Bad is a popular American television drama created and produced by Vince Gilligan. The central character of the drama is Walter White‚ a high school chemistry teacher who is diagnosed with inoperable‚ advanced lung cancer. He has been told he does not have long
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BASE ISOLATED BUILDINGS What is base isolation? When a building is built away (isolated) from the ground‚ resting on flexible bearings or pads known as base isolators. It is of the most popular means of protecting a structure against earthquake forces. HISTORY The first evidence of architects using the principle of base isolation for earthquake protection was discovered in Pasargadae. One of the world’s first base-isolated structures – the William Clayton building Base Isolation
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Title: Acids‚ Bases & Buffers Objectives: 1. To understand the acid-base chemistry. 2. To prepare and evaluate a buffer system 3. To measure the buffering capacity of two types of isotonic drinks. Introduction: There are acid-forming‚ basic forming and neutral food‚ however the acid or alkaline properties of a food is unable to judge by the actual acidity of the food itself. For example‚ citrus fruits such as lemon are acidic‚ but they are alkaline-forming when we consume and digest it. Therefore
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Supplier Base Reduction Supplier Base Reduction Department of Industrial Management and Logistics Division of Engineering Logistics Planning for Supplier Base Reduction - understanding Supplier Base Reduction’s role in purchasing A case study at Alfa Laval AB Authors Fabian Karlsson Sebastian Eriksson-Ritzén Supervisors Ala Pazirandeh Markus Ekendahl ii Acknowledgements This thesis completed our Master of Science in Mechanical Engineering with specialization in Logistics
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Nelson Mandela Leadership “After climbing a great hill‚ one only finds that there are many more hills to climb.” Nelson was the first black President of South Africa and he was one of the most important figures that helped end apartheid in S.A. He believed in consensus. He used a general feeling to empower the people and motivate them. Nelson was tolerant and persistent. For an end to apartheid he was put in jail for 20+ years‚ but nevertheless he never gave up on his main purpose. Nelson’s
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