Stoichiometry 04/09/12 Chemistry I B Ms. Norton Introduction/Pre-laboratory Assignment: 1. Write out and balance each of the following equations. A. CuSO4 + Fe Cu + FeSO4 B. 3CuSO4 + 2Fe 3Cu + Fe(SO4)3 2. If Iron (III) Sulfate were formed‚ what mass of Copper would be expected and what is the limiting reagent? C. 2.26 g Cu D. Fe 3. If Iron (II) Sulfate were formed‚ what mass of Copper would be expected and what is the limiting reagent?
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Herlihy: The Human Body in Health and Illness‚ 4th Edition Answer Key - Study Guide Chapter 1: Introduction to the Human Body Part I: Mastering the Basics Matching—General Terms 1. D 2. A 3. C 4. D 5. B 6. B 7. D 8. A 9. C 10. A Matching—Anatomical Terms 1. H 2. A 3. G 4. J 5. D 6. B 7. E 8. F 9. L 10. I 11. L 12. K 13. C 14. C 15. E 16. D 17. A 18. D Read the Diagram 1. E 2. C 3. D 4. G 5. A 6. I 7. J 8. H Matching—Regional Body Terms 1. D 2. K 3
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Chem 140C Practice Midterm I Answer Key April 2013 Q1_________(- points) Q2_________(- points) Q3_________(-- points) Q4_________(-- points) Q5_________(-- points) Q6_________(-- points) Total_________(100 points) Only use the front side of each page for your answers. Nothing on the back sides will be graded. If you write the exam in pencil or erasable pen‚ you give up your right to any kind of regrade. Name_______________________ PID#_________________________ 1. Amine Basicity (5 points)
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Quiz #1 September 8‚ 2014 Name: Answer Key (1) For each of the following goods and services‚ identify if the good or service is counted in U.S. Gross Domestic Product (GDP) and provide a short explanation defending your decision. a. Household work completed by a maid (2 points). This service is included in GDP because the service is legal and has a market value. b. Milk bought by a bakery for use in the baking of donuts (2 points). The good is not included in GDP because it is an
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A ns Answer Key Unit 1: Describing People / Finding Locations B. 1. ⓐ C. 1. ⓐ r Key Track 17 Vocabulary Practice we Track 18 A. 1. dress‚ long‚ suit‚ brown 2. blond‚ sweater‚ jeans‚ short‚ shirt 2. ⓐ 3. ⓑ 2. ⓐ 3. ⓒ Practice Test Track 19 - 30 B. 1. next to 2. between 1. ⓓ 5. ⓒ 9. ⓓ 3. across from Warm-up Exercises A. 1. ⓑ 5. ⓗ Track 2 C. 1. ⓐ Track 3 3. ⓒ 7. ⓒ 11. ⓔ 4. ⓔ 8. ⓓ 12. ⓐ Track 1 B. 1. ⓑ
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and short answer questions – Closed book/ closed notes – No use of handheld/laptop/desktop computing devices (including cell phones and communication devices) Course Overview • Teaching Assistant – Xuyang Zhang – Email: xuyang.zhang@ufl.edu – TA Office Hours: By appointment Communication Evolution source: http://www.time.com/time/cartoonsoftheweek/0‚29489‚1888178_1862973‚00.html Chapter 1 Outline 1.1 – Introduction – Brief history of Data Communications – Basic Concept
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CheckPoint Answer Key‚ Due in Week Eight Correct answers are in red. Inclusive Language: Nonsexist A. I understand Dr. Maurice hired a new nurse. What is her name? B. I understand Dr. Maurice hired a new nurse. What is his or her name? Correct answer 1. B is correct: The second sentence is a gender stereotype. Many nurses are women‚ but some nurses are men. Inclusive Language: Nonsexist A. I’m not very good at math. B. I’m not very good at math because I’m a girl. Correct answer: 2
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Chemistry 1: PROBLEM SET SY 2012/2013 CLASS #: _______________ NAME_________________________________________ SECTION: ______________________ Stoichiometry II - Mole Calculations/ Limiting and Excess Reagent – Lecture Notes 1. Given the balanced equation N2(g) + 3H2(g) 2NH3(g) How many moles of ammonia are produced when 0.60 mol of nitrogen reacts with hydrogen? 2. Given the equation: SiO2 + HF SiF4 + H2O a. Calculate the number of moles HF that would completely react with 2.5 moles of
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something + 2Fe+2 Equation 2: 8H+ + 5Fe+2 + MnO4- --> 5Fe+3 + Mn+2 + 4H2O Equation 3: 6H+ + 2MnO4- + 5H2C2O4 --> 2Mn+2 + 10CO2 + 8H2O Conclusion: Therefore the concluded reaction would be: NH3OH+ + 2Fe+3 --> N2O + 2Fe+2 This was obtained by using stoichiometry half reactions the product of that reaction was determined to be N2O. Some systematic errors could be if the wrong molarity was determined for the permanganate because then that would though off the calculations for the Fe+2 and the rest of the
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moles-stoichiometry-practice-problems Now you’re ready to use what you know about conversion factors to solve some stoichiometric problems in chemistry. Almost all stoichiometric problems can be solved in just four simple steps: 1.Balance the equation. 2.Convert units of a given substance to moles. 3.Using the mole ratio‚ calculate the moles of substance yielded by the reaction. 4.Convert moles of wanted substance to desired units. These "simple" steps probably look complicated at first
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