Ase Ruth Alozie Chemistry Take home test May 4‚ 2013 In a laboratory experiment‚ a student reacted 2.8 grams of Fe (s) (steel wool) in excess CuSO4 (aq)‚ according to the following balanced equation: Fe(s) + CuSO4 (aq) -> FeSO4 + Cu(S). When the Fe(s) was completely consumed‚ the
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Unit 1 – Lesson 1 Chemistry Key Questions 1. Element Standard Notation # Of Electrons # Of Protons # Of Neutrons Sodium 23 11 Na 11 11 12 Chromium 24 Ca 26 26 27 ? Phosphorus 32 P 15 15 16 2. Fireworks; Which metals burn to produce these colours? Red – Lithium (Sr) Blue – Cesium (Cs) Pink – Potassium (K) Yellow/Green – Copper (Cu) Orange – Carbon (Ca) 3. Let’s say that the three bottles contain Fe(NO3)3‚ BaCl‚ and AgNO3. These are Iron (III) Nitrate‚ Barium Chloride
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Instructions: 1. Submission of coursework must comply with the deadline as stipulated by the module/lecturer. No marks will be awarded for late submission. 2. Students are to fill in “Programme Title”‚ “Module Title” and “Batch Number” in Section A. 3. Students are to sign in Section B before submitting the coursework to the lecturer to acknowledge that they have read the report submitted for grading (including the soft copy of the report and Originality Report from Turnitin where applicable)
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A2- History coursework- investigation To what extent did Hitler rely on coercion in maintaining power in Germany after 1933? Hitler dictatorship of Germany lasted over a period of eleven years; an impressive achievement considering the reign of previous leaders in the years prior to him. Hitler’s ambitions were clear. He wanted to “end the cancer of democracy and to install the tightest authoritarian state leadership.”1 Hitler wanted everything under his control and in order for this to happen he
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Module 4: 10. Strong Bases: NaOH‚ KOH‚ Na2CO3‚ NaHCO3‚ Na3PO4‚ NaHPO4‚ Strong Acids: Fe(NO3)3‚ HCL‚ HNO3‚ Al(NO3)3‚ NiCl2‚ H2SO4 11. Acidic Neutral Basic NaCl KNO3 NaOH HC2H3O2 Na2CO3 NaC2H3O2 NaHCO3 Fe(NO3)3 NaNO3 Na3PO4 HCl MgSO4 KOH HNO3 Na2SO4 NaHPO4 CuSO4 NaNO2 CoCl2 Al(NO3)3 NiCl2 H2SO4 KCl NH4Cl 12. CuSO4 CuCO3.Cu(OH)2(s) + 2 H2SO4(aq) ----> 2 CuSO4(aq) + CO2(g) + 3 H2O(l) Na3PO4 Na3PO4 (aq) + 3H2O (l) --> H3PO4 (aq) + 3NaOH
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Section instructor: Supratim Giri Email: girisupr@gmail.com Office: BMBT 416 1 CY 101: Electrochemistry 2 Submarines can propagate on the sea surface just like a ship Unless it’s a nuclear submarine; just like a ship‚ submarine’s propulsion is supplied by a diesel engine The sub intakes oxygen from air to run its diesel engine. But in order to strike an enemy ship‚ it has to take plunge in deep sea and remain submerged for a period between 24 to 48 hours! How the submarine
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MARKETING RESEARCH AND TARGET MARKETING (Module 2) Name: Christina Hartley College: Argosy University Course: Principles of Marketing | MKT230 A01 Professor: Toi Walker Date: September 03‚ 2014 Executive Summary This marketing plan has been designed after a keen analysis of the market and examinations of the marketing research so as to develop products‚ which satisfy the market needs. The mission of the company is inspiring others through the brands offered. Secondly‚ the company has an objective
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No PSYCHOLOGY REVISION- MRS DAWSON Models of addiction There are different models of addiction‚ these are the biological model‚ the cognitive model and the social learning model. Initiation – this refers to the process where individuals start to become addictive Maintance – this is the process whereby people continue to behave addictively even in the face of adverse consequences Relapse – this is the process whereby individuals who have
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Early Relationships Children that do not receive continuous loving care‚ and do not form attachments with the care-giver‚ can grow up to be emotionally and cognitively damaged. Attachment is defined as: ‘a long enduring emotionally meaningful bond to a particular individual’¸ this bond is usually characterised by a desire for proximity to the care-giver and by separation distress when the bond is broken. The attachment object offers comfort and acts as a source of security. THE ROLE OF THE
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CHEMISTRY Guess Paper – 2013 Class – XI Subject - CHEMISTRY MAX MARKS=90 ……………………………………………………………………………………… General instructions: All questions are compulsory. Marks for each question are indicated against it. Questions number 1to 8 are very short –answer questions‚ carrying 1 mark each. Answer these in one word or about one sentence each. Questions number 9 to18 are short –answer questions‚ carrying 2 marks each. Answer these in about 30 words each. Questions number19 to27
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