Student Number Mark / 39 Chemistry Preliminary Course Final Examination • 2006 General Instructions • • • • • • • Reading time – 5 minutes Working time – 45 minutes Write using black or blue pen Draw diagrams using pencil Board-approved calculators may be used A Data Sheet and a Periodic Table are provided Write your Student Number at the top of this page Total Marks – 39 Part A – 10 marks • Attempt Questions 1 – 10 • Allow about 10 minutes for this part Part B – 29 marks • Attempt
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ST ANDREW’S JUNIOR COLLEGE JC 2 Preliminary Examination CHEMISTRY 9647/03 Higher 2 13 September 2010 Paper 3 Free Response 2 hours Candidates answer on separate paper. Additional Materials: Answer paper‚ Graph Paper‚ Data Booklet READ THESE INSTRUCTIONS FIRST Write your name and civics group on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use a soft pencil for any diagrams‚ graphs or rough working. Do not use staples‚
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Page 1 of 10 5.111 Principles of Chemical Science EXAM # 3 ============================================================================ Write legibly your name and your TA’s name below. Do not open the exam until the start of the exam is announced. The exam is closed notes and closed book. You have 50 minutes (1 academic hour) to complete it. ● Read each part of each problem carefully. ● Write your answers legibly in the corresponding spaces of the attached sheets. ● For problems requiring
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Chemical Earth 1. The living and non-living components of the Earth contain mixtures Construct word and balanced formulae equations of chemical reactions as they are encountered 1. Build a word equation Reactants on left‚ Products on right 2. Convert word equation into chemical formula for the reactants and products Using valency rules 3. Balance the equation Adjust coefficients to get equal numbers of each kind of atom on each side 4. Specify the physical state for each species present
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chemguide.co.uk/inorganic/extraction/copper.html Creamer‚ K Davyson‚ S. (2002). Aluminium. Retrieved from Aluminium: http://sam.davyson.com/as/physics/aluminium/site/ Macmillan Mazur‚ L. (2007). Chemical Elements. Retrieved March 19‚ 2013‚ from Chemistry Explained: http://www.chemistryexplained.com/elements/C-K/Gold.html Prices‚ C TMS‚ A. (2013). Bir Umm Fawakhir: Insights into Ancient Egyptian Mining. Retrieved March 18‚ 2013‚ from The Minerals‚ Metals and Materials Society (TMS): http://www.tms
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Unit 3 Chemistry: VCAA Practice Exam Questions 1 Question 3 (2010) A sample of the insecticide dichlorodiphenyltrichloroethane (DDT)‚ C14H9Cl5‚ was found to contain 0.120 g of carbon. What mass of chlorine was present in the sample? A. 0.127 g B. 0.355 g C. 0.994 g D. 1.01 g Question 10 (2009) The level of carbon dioxide in the air in a spacecraft can be controlled by passing the air through canisters containing lithium hydroxide‚ LiOH. In a laboratory trial‚ the air in a 5.00 L container
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CHEM 188 – Spring‚ 2013 Hour Exam 1 (Red) February 14‚ 2011 Instructions: Your scantron answer sheet must show your NAME‚ 7-DIGIT KU ID NUMBER‚ and LAB SECTION. (Begin these entries at the LEFT end of the space provided.) In answering the questions‚ be careful to fill in the corresponding circles on the answer sheet according to the number of the question on the exam. USE A SOFT (No. 2) PENCIL. (((((((((((((((((((((((((((((((((((((( Useful information: Gas constant‚
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RIZAL TECHNOLOGICAL UNIVERSITY College of Engineering and Industrial Technology Electronics and Communications Engineering Department Boni Ave.‚ Mandaluyong City AM/FM BROADCASTING DESIGN A Design Presented to the Faculty of Electronics and Communications Engineering Department In Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Electronics and Communications Engineering Presented by: Cabcad‚ Rachel Canillas‚ Amelyn
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Name: __________________________________ Teacher: ________________________________ DO NOT OPEN THE EXAMINATION PAPER UNTIL YOU ARE TOLD BY THE SUPERVISOR TO BEGIN Chemistry 2202 FINAL EXAMINATION June 2010 Value: 100% General Instructions This examination consists of two parts. Both parts are contained in this booklet and further general instructions are provided on appropriate pages. Part I – Multiple Choice (40%) Select the letter of the correct response from those provided. EITHER
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Chem 28 Problem Set 1 Date due: August 26‚ Tuesday 10:00 am General Instructions: - Place answers in 1 long ruled pad paper. - Show all necessary calculations and proper conversion of units. Final answers should be in proper significant figures - Box all final answers 1.) In a precipitation reaction‚ 150.0 mL of 0.200 N NaOH was mixed in 50.0 mL aluminum nitrate solution to precipitate all the Al3+. a.) What is the normality of Al(NO3)3? b.) What is the molarity of the solution in 1
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