Laurie Coleman Chem 3411 Dr. Eidell October 24‚ 2014 Preparation and IR Analysis of 2-chloride-2-methylbutane Line Reaction Abstract The purpose of this experiment was to react 2-methyl-2-butanol with concentrated HCl in order to form 2-chloride-2-methylbutane. The hydrogen for the HCl make the -OH from the 2-methyl-2-butanol into a good leaving group because H2O is formed. The H2O leaves and Cl- is free to bond with the carbocation creating 2-chloride-2-methylbutane. The materials needed
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1.2 TEST MARK SCHEME 1. (a) H+(aq) + OH-(aq) à H2O(l) 1 (b) Ba2+(aq) + SO42-(aq) à BaSO4(s) 2 [3] 2. (a) simplete ratio of atoms of each element in a compound (1) 1 (b) (1) × 12 (1) (or definition in terms of moles) 2 (c) CHO = 29 = 6 (1) C6 H6 O6 (1) 2 (d) CH4O+ O2 CO2+2H2O (1) 1 [6] 3. (a) (i) (1) = 1.64(1) allow 1.63 to 1.64 PV = nRT (1) V = (1) if no × 3 CE allow use of p = 100 if answer in dm3 (1) allow 0.162 to 0.166 allow conseq on moles CH2NO2
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How To Prepare Infant Formula Infant formula is an alternative to breast milk. It comes in three forms: Powder. Concentrated liquid. Ready-to-eat. BEFORE PREPARING FORMULA: Check the formula’s expiration date. Do not use formula that is expired. Check the formula’s label to see if you will need to add water to the formula. If you do need to add water and if you are going to use well water or bottled water‚ boil the water for at least 1 minute. Then let it cool. Make
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The purpose of this experiment is to become familiar with some properties of water and solutions and distinguish between such terms as diffusion‚ dialysis and osmosis. In this experiment‚ we will be going over water residue‚ water of hydration‚ solutions and dialysis. For Water Residue section‚ place about 1 mL of tap water on a clean watch glass and gently heat it until water has evaporated. Record if there is any residue and repeat this procedure using deionized water. Next‚ for Water of Hydration
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Neutralization Titrations: The Determination of Sodium Carbonate from Unknown Soda Ash Unknown # I. Purpose: The goal of this experiment is to determine the weight % of Na2CO3 through the preparation of NaOH and HCl standards. The molarity of the standards will be found through titration of KHP for NaOH‚ HCl vs the known NaOH‚ and the unknown Soda Ash sample vs the known HCl. II. Equations and Sample Calculations: Titration of HCl with NaOH: Complete Equation: HCl (aq) + NaOH (aq)
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I enjoyed doing the virtual lab. I treat water as an occupation so I understood how and what to add to treat the water. If you have a low (acidic) pH then you should add sodium hydroxide. If you have total coliforms‚ you should chlorinate before and after treatment. Often‚ we test houses for total coliforms and e. coli. If the bacteria is positive‚ then we chlorinate the well. After we make sure all the chlorine is throughout the house‚ we let it sit for 24 hours to disinfect the pipes and
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Experiment #3 Mark A. Bruder 07. T.A. Michael Hall Alkanes: Chlorination Introduction: The purpose of this experiment is to determine the reactivity of hydrogen atoms on a carbon chain using free radical chlorination. In this experiment 1-chlorobutane will be chlorinated with the combination of sulfuryl chloride and ABCN as an initiator to produce the chlorine radicals. The combination of 1-chlorobutane and sulfur chloride will produce four dichlorobutane
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CH201L S.Y. 2014-2015 Analysis of Oxygen-Bearing Organic Compound 2 BS Chemistry‚ College of Science‚ University of Santo Tomas Espana‚ Manila Philippines 1015 Abstract An unknown sample was given along with five standards to test the presence of oxygen in the sample. The unknown sample underwent five different chemical analysis namely Dichromate test‚ Tollen’s test‚ Lucas test‚ DNPH test‚ and Iodoform test. Each test will determine if the unknown sample will have the same reaction as
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Aim – To compare the mass of the products of a chemical reaction with the mass of its reactants. Hypothesis- The total mass should increase Materials – 1x Safety glasses. 250ml conical flask. 4x Alka-Seltzer tablets. 1x Balloon. Matches. 1x Electronic balance. 100ml measuring cylinder. Water. Method – *Place the conical flask on the balance and pour in 100ml of water. 1. Place two tablets alongside the conical flask and record the total mass. *Remove the flask from the balance and drop the tablets
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