access the degree of the alkyl halide formed (1° or 2° halide) and to determine whether Markovnikov’s addition occurred‚ two qualitative tests can be used: (a) reaction with alcoholic silver nitrate solution and (b) reaction with sodium iodide in acetone. For the silver nitrate test‚ one drop of alkyl halide is added to 2 mL of 0.1 M solution of silver nitrate in
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bristle)‚ and colors (metallic‚ non metallic‚ or ultraviolet reactive). Like spray paint these markers give off volatile organic compounds. Permanent marker can be removed using a dry erase marker on certain surfaces such as a whiteboard as it contains acetone. Alcohol based markers such as Sharpies are said to be safer‚ with water-based markers being the safest of all. The popular permanent markers are Sharpie‚ Stanford king size permanent marker‚ Marks a lot and Redi Mark +. Ingredients in the permanent
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Experiment #10 & #11 The Synthesis of Cobalt Oxalate Hydrate The Synthesis of a Nitrite Complex February 5‚ 2012 Chemistry 1211L - 146 - Spring 2012 Procedure The Synthesis of Cobalt Oxalate Hydrate Place 100 ml of distilled water in a 250-ml (or 400-ml) beaker. Add 1.26g of oxalic acid dihydrate (H2C2O4.2H2O) and 1 ml of concentrated ammonia. Stir the mixture until the solid has dissolved completely. Dissolve 2.34 g of cobalt chloride hexahydrate (CoCl2.6H2O) in 100 ml of water
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student)‚ 30% acetone in heptanes (3 mls/student)‚ 95% ethanol (20 mls/student) wk 4: 1‚3 diphenylacetone (0.5 g/student)‚ triethylene glycol (5 mls/student)‚ 40% benzyltrimethylammonium hydroxide/methanol (0.5 mls/student) Part A: Thiamine catalyzed condensation benzoin condensation of benzaldehyde Procedure: (Week 1) Dissolve
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(Answers to Questions) Q1. State what types of inetmolecular forces are present in solutions formed due to intermolecular attractions between the solute and the solvent. A1. For Water-Soluble Compounds: Acetone – Water: Hydrogen bonding and van der Waals forces Acetone – Diethyl Ether: Dipole – (induced) dipole and van der Waals forces Sucrose – Water: Hydrogen bonding and van der Waals forces Ethyl alcohol – Water: Hydrogen bonding and van der Waals forces Ethyl alcohol – Dietheyl
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Analysis of Alcohols‚ Aldehydes and Ketones Karl Wayne Mancao‚ Raphaell Mordeno‚ Andres Pastrana III*‚ and Shannen Peñaverde Department of Biology‚ University of Santo Tomas‚ Manila‚ Philippines Abstract The proponents have done several tests for identifying alcohols‚ aldehydes and ketones. These tests are Dichromate test‚ Tollens test‚ Lucas test‚ DNPH test and Iodoform test. Three samples got positive result in dichromate test and one in Tollens test. Lucas test got one sample that has
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Hammer‚ face helmet (or goggles) and mask‚ rock powder container‚ plastic bag‚ spoon‚ gloves‚ labelling sticker and pen‚ cleaned Jaw crusher and TEMA Mill (i.e. laboratory disc mill). Material: Sample rock of Granite and Sandstone (hand specimen)‚ Acetone. Procedure: 1. A piece of rock is selected (based on required size)‚ cleaned and dried. 2. Using a sledgehammer‚ the selected rock sample is knocked into an approximately 5 to 10 cm in size (pebble-sized). For a hard rock (i.e. granite)
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Investigatory Project Leader: Gibea Ramos Members: Hazel Cobong Ranjid Jumalon Maybelle San Jose Miguel Santiago Janelle Gamueda Khenn Arista Clifford Alupani “The Feasibility of Using Cigarette Filter as Glue” Introduction: This study aims to produce a product that would serve as an alternative for some expensive commercial glue. There are many people-using cigarette and after using they just toss aside a cigarette while walking not thinking that it
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Parasitol Res DOI 10.1007/s00436-012-3021-8 ORIGINAL PAPER Larvicidal‚ pupicidal‚ repellent and adulticidal activity of Citrus sinensis orange peel extract against Anopheles stephensi‚ Aedes aegypti and Culex quinquefasciatus (Diptera: Culicidae) Kadarkarai Murugan & Palanisamy Mahesh Kumar & Kalimuthu Kovendan & Duraisamy Amerasan & Jayapal Subrmaniam & Jiang-Shiou Hwang Received: 26 May 2012 / Accepted: 19 June 2012 # Springer-Verlag 2012 Abstract Mosquitoes are the carriers
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------------------------------------------------- ABSTRACT ------------------------------------------------- The copper reaction experiment was demonstrated by adding the reagents like 16M HNO3‚ Distilled water‚ 6M NaOH‚ 6M H2SO4‚ Acetone‚ Zinc metal and Methanol into the beaker with the copper wire. The experiment was also demonstrated to observe how copper reacts while different reagents were being added. It was also demonstrated to practice the common laboratory techniques such as methods
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