Experiment No. 1: MELTING POINT AND BOILING POINTS OF ORGANIC COMPOUNDS ABSTRACT The properties of organic compounds depend on their chemical structures. Intermolecular forces of attraction affect physical properties such as melting and boiling point. Through the Thomas Hoover apparatus‚ the melting point of 8 test compounds was determined. Salicylic acid exhibited the highest melting point while naphthalene‚ the lowest. The stronger the intermolecular forces of attraction‚ the higher the melting
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*Compound Interest/Discount* Compound Interest When you borrow money from a bank‚ you pay interest. Interest is really a fee charged for borrowing the money‚ it is a percentage charged on the principle amount for a period of a year - usually. If you want to know how much interest you will earn on your investment or if you want to know how much you will pay above the cost of the principal amount on a loan or mortgage‚ you will need to understand how compound interest works. * Compound interest
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| | Alkanes: Alkanes are saturated hydrocarbons (this means that there are NO double bonds in the molecule). They contain Hydrogen and Carbon atoms only. There are an immense number of possibilities. The simplest being methane with just ONE atom of Carbon.You should be able to see ONE atom of Carbon and FOUR atoms of Hydrogen. In ethane there are TWO atoms of Carbon and SIX atoms of Hydrogen. In propane there are THREE atoms of Carbon and EIGHT atoms of Hydrogen. In butane there are FOUR atoms
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Experiment: Comparing reactivities of alkanes and alkenes Aim: To compare the reactivities of an alkane and an alkene with bromine water and a solution of potassium permanganate (KMnO4). Equipment: • 4 test tubes • Test-tube rack • 4 pipettes Safety: safety glasses must be worn to prevent injury to the eyes. Ensure room is well ventilated whilst using the hydro carbons. Method: 1. Place 1 ml of sample A (cyclohexane) into a test tube containing 4 mls of the bromine water solution. Record
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label the diagram number by number as you read. 14. The following set of questions deal with linear electron flow: a. What is the source of energy that requires the electron in photosystem II? b. What compound is the source of electrons for linear electron flow? This compound is also the source of ___________ in the atmosphere. c. As electrons fall between photosystem I and II‚ the cytochrome complex uses the energy to pump ________ ions. This builds a proton gradient that
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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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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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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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1. An organic compound X with a molecular formula C2H6O undergoes oxidation with in presence of alkaline KMnO4 to form a compound Y. X on heating in presence of Conc. H2SO4 at 443K gives Z. Which on reaction with H2Oin presence of H2SO4 gives back `X` `Z` reacts with Br2 (aq) and decolorizes it. Identify X‚ Y‚ & Z and write the reactions involved. 2. An organic compound ‘A’ is widely used as a preservative in pickles and has a molecular formula C2H2O2. This compound reacts with ethanol to
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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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