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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panda.org/what_we_do/endangered_species/giant_panda/panda/where_panda_lives_habitat/qinling/golden_monkey/ [Accessed 14 May 2013] Gron KJ. (2007)‚Primate Factsheets: Golden snub-nosed monkey (Rhinopithecus roxellana) Taxonomy‚ Morphology‚ & Ecology[online]. Available at: http://pin.primate.wisc.edu/factsheets/entry/golden_snub-nosed_monkey.[Accessed 2013 May 14] Gron KJ (2007)‚ Primate Factsheets: Golden snub-nosed monkey (Rhinopithecus roxellana) Behavior[online]. Available at: http://pin.primate.wisc
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Determination of the Calorific Value of Fuels Aim: To quantify the amount of energy produced by different fuels and to determine which fuel is more efficient (has a higher calorific value). Introduction: The easiest way to achieve our aim is by heating a substance with a known specific heat capacity and using the energy released from burning our fuels. This will give us the value of the heat energy released by the combustion of our two fuels. The chemical reaction for combustion: FUEL
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Escareno Corporation has provided its contribution format income statement for June. The company produces and sells a single product. Sales (8‚400 units): ($) 764‚400 Variable expenses: ($) 445‚200 Contribution margin: ($) 319‚200 Fixed expenses: ($) 250‚900 Net operating income: ($) 68‚300 If the company sells 8‚200 units‚ its total contribution margin should be closest to: Merchandise with a sales price of $500 is sold on account with term 2/10‚ n/30. The journal entry to record the sale would
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Which change describes a process of this sort? A 11C 12C B 22Na 22Ne C 32P 31P D 40K 40Ca 5. How many electron pairs‚ with principal quantum number n = 3‚ can be accommodated in an atom? A 6 B 9 C 14 D 18 6. The first ionisation energies‚ in kJ mol-1‚ of Group II and III elements are given below: Group II Group III Be 900 B 799 Mg 736 Al 577 Ca 590 Ga 578 (a) Define‚ by means of an equation‚ what is meant by the first ionisation energy of an element. (b) Explain why
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of water 1 degree Celsius. Our bodies expend about 1J of work with a single heartbeat. For convenience sake‚ both the Joule and calorie are often expressed in multiples of 1000. We speak of the kilojoule (kj): 1 kJ = 1000J and the kilocalorie (kcal). 1 kcal = 1000 cal Thus we must add 4.184 kJ of heat to raise the temperature of 100g of water 10 degrees Celsius. Chemical Reactions and the Production of Energy Heat and Work We learned the foundation of
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CHEMISTRY 101 FINAL EXAM SECTIONS 572-580 Dr. Joy Heising FORM 4N December 7‚ 2001 Directions: 1. Fill out your scantron sheet. a. Do not forget to include your SIGNATURE and ID number. b. Dept = CHEM‚ Course No. = 101 c. If you want your scores posted‚ mark A under the option column 2. Use a #1 or #2 pencil for marking the answer sheets. circles completely. 3. DO NOT write on the envelope. 4. Read each question carefully‚ then choose the best answer for each question. There is no penalty
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Chapter 18 1 Takusagawa’s Note© Chapter 18: Photosynthesis 1. CHLOROPLASTS - Photosynthesis is carried out at chloroplasts. Structure of chloroplast Outer membrane Stroma lamellae Inner membrane Thylakoid Chloroplast Granum Dark reaction Stroma Light reaction - Composition of innermembrane and granum membrane are unusual. - Phospholipid (negatively charged) ~10% - Neutral lipid (galactose) ~80% Photosynthesis occurs in two distinct phases: 1. Light reactions --- Generates
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CO. In which molecule is the carbon-oxygen bond shorter? The bond is shorter in CO 42) Estimate ΔHº for forming 2 mol ammonia from molecular nitrogen and molecular hydrogen. Is this reaction exothermic or endothermic? (N2 has a triple bond.) -92 kj is the
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