Lab: STOICHIOMETRY The reaction of Iron with Copper(II) Sulfate Purpose: In this experiment we will use stoichiometric principles to deduce the appropriate equation for the reaction between metallic iron and a solution of copper (II) sulfate. This reaction produces metallic copper‚ which is seen precipitating as a finely divided red power. Materials: Flask beaker Copper solution Balance Hot plate •150 ml beaker •1 gram of iron power
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Machine Foundations Sinchan Roy Chowdhury CIVIL ENGG DEPT SEC: AY ID NO: 110409040 SESSION-2012-13 7th SEM UG Sinchan Roy Chowdhury CIVIL ENGG DEPT SEC: AY ID NO: 110409040 SESSION-2012-13 7th SEM UG BENGAL ENGINEERING AND SCIENCE UNIVERSITY SHIBPUR [Pick the date] BENGAL ENGINEERING AND SCIENCE UNIVERSITY SHIBPUR [Pick the date] A Project under the guidance of Dr Kalyan Kumar Chattopadhya
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Satisfaction Dimensions of LCD TVs in Comparison with the CRT TVs Sultan Kaygın Sel VESTEL Electronics‚ R&D Division‚ Turkey Middle East Technical University‚ Turkey sultan.kaygin@vestel.com.tr There is a great transition from CRT TV to flat panel TV usage. This transition has an effect on the preferences‚ expectations and satisfaction criteria of flat panel TV users. This research will inquire the satisfaction dimensions for CRT TVs and LCD TVs‚ as a common type of flat panel TV‚ and point
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1. OBJECTIVE 1.1 To use Le Chatelier’s principle for determining the effect of change in concentration. 1.2 To use Le Chatelier’s principle for determining the effect of change in temperature. 2. INTRODUCTION Henry-Louis Le Chatelier‚ (born Oct. 8‚ 1850‚ Paris‚ France—died Sept. 17‚ 1936‚ Miribel-les-Échelles)‚ French chemist who is best known for Le Chatelier’s principle‚ which makes it possible to predict the effect a change of conditions (such as temperature‚ pressure‚ or concentration of
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The Decline of The Bee The bee is a vital part of human existence. They pollinate‚ giving life to plants‚ animals‚ and in turn‚ man. If they were to die out‚ the human race would follow suit in a mere matter of years. 65% of all flowering plants require bees for pollination‚ and the percentage being higher for the major crop plants‚ like corn and wheat. These crops account for $47.1 billion every year. Honey bees are responsible for one-third of the food we eat‚ meaning no bees equals no food.
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ENVIRONMENTAL FACTORS AFFECTING MULTINATIONAL COMPANIES By Dabbyson Al. Zimba ABSTRACT It is an undeniable fact that the successes of every business’ endeavors are all dependent upon the ‘Environment’ in which the company is standing. It is said that “there is nothing like foreign environment in conducting business. It is just as good as conducting business in the home environment.” To our surprise‚ that statement has contradictions on its own. Be it
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H2O|HotH2O|Litmus Test|Dilute HCI|Dilute NaOH| Mg|Silver|None|None|None|None|R-NoneB-None|Bubbling|None| Cu|Gold|None|None|None|None|R-NoneB-None| None|None| Zn|Silver|None|None|None|None|R-Turned blueB-none|Bubbling|None| MgO|White|None|None|None|None|R-Turned blueB-None|Bubbling|None| CuCO3|Green|None|Turned Black|None|None|R-NoneB-None|Turned lime green and bubbled|Turned Teal| Cu(NO3)2|Blue|None|None|Dissolves|None|R-NoneB-Turned orange|Turned green|None| NaCl|White|None|None|Turns clear|Dissolves|R-NoneB-None|None|None|
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Flame Tests The flame testing is a method used in chemistry to detect the presence of certain ions‚ primarily metal ions‚ based on each element’s characteristics emission spectrum. The colour of the flames normally depends on the temperature. Different types of Bunsen burner with flame types depend on the oxygen supply. The flame of rich fuel with no premixed oxygen produces a yellow diffusion flame. The flame of lean fully oxygen premixed flame produces no soot and the flame colour is produced
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more specifically at group 11‚ period 4. Because of its chemical and physical attributes‚ it is a transition metal‚ which denotes high boiling and melting points. Both a conductor of heat and electricity‚ Copper is ductile and malleable. Its symbol “Cu” derives from the Latin cuprum. Copper is also valued for its two-for-one practicality: it is a vital nutrient that has antibacterial properties. Aside from what many people generally know about Copper (the “common knowledge‚” so to speak)‚ there is
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CARDIFF SCHOOL OF ENGINEERING EN1029 LABORATORY Laboratory SM STUDENT NAME: BETROSIAN PETROS STUDENT NUMBER: 1337435 DATE EXPERIMENT PERFORMED: 05/03/2014 DATE OF SUBMISSION: 14/03/2014 Declaration In submitting this report‚ I hereby declare that‚ except where I have made clear and full reference to the work of others‚ this submission‚ and all the material (e.g. text‚ pictures‚ diagrams) contained in it‚ is my own work‚ has not previously been submitted for assessment‚ and
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