"Acetic Acid" Essays and Research Papers

Acetic Acid

Titration for Acetic Acid in Vinegar Purpose: The Primary Purpose of this Experiment is to Determine the Percent Content of Acetic Acid in a Household Bottle of President’s Choice Vinegar, using Titration Techniques. In addition, a Secondary Purpose for this Experiment that Derives Directly from the Primary Purpose is to Gain Hands On Experience in Titration Techniques, as a Vital Tool in our Quest to Understanding the Chemical Aspect of the World around Us. Procedure Conducting a Titration...

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Acetic Acid and Ink

cooking and can change the consistency of a liquid into more volatile. Vinegar is a liquid consisting mainly of acetic acid and water. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. Acetic acid is an organic compound, it is colourless liquid that when undiluted is also called glacial acetic acid. Vinegar, naturally has many components like acetic acid and water. Even though it is composed of compounds, it is still environment friendly, and it is not a pollutant...

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Titration of Acetic Acid in Vinegar

Lab 12: Titration of Acetic Acid in Vinegar Abstract: To lesarn how to titrate chemicals in a lab. Also to be able to determine the concentration of an acetic acid solution. Purpose: To learn how to titrate, and calulate the concentration of an acetiuc acid solution. In this case the concentration of vinegar, which is diluted acetic acid. Hypothesis: The sodium hydroxide used in this titration would balance out the acetic acid in vinegar. The phenolpthalein, a acid –base color indicator...

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Chemistry Acetic Acid

Determining the Molarity of Acetic Acid in Vinegar Abstract This experiment was done to determine the molarity of acetic acid in vinegar. The acetic acid in vinegar was titrated with a strong base sodium hydroxide to determine the equivalence point of this chemical reaction. The indicator phenolphthalein was used because the moment it changes color is on the basic side of the pH scale. To insure the experiment was done with the most accuracy, the two conductors of this experiment took three...

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Acetic Acid Msds

100056  Acetic acid (glacial) 100% suitable for use as excipient EMPROVE® exp Ph Eur,BP,JP,USP,E 260 For general questions please contact our Customer Service: Merck KGaA Frankfurter Str. 250 64293 Darmstadt Germany Phone: +49 6151 72-0 Fax: +49 6151 72 2000 01 March 2014 Product number Packaging Qty/Pk 1000562500  Glass bottle  2.5 l  1000569025  Plastic container  25 l  1000569190  Plastic barrel  190 l  Accessories 101595 Chemizorb® H+ Absorbent and neutralizer for spilled acids, with...

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Extraction of Benzoic Acid

to practice common organic laboratory techniques inside the lab to get one oriented to the basic methods of procedure that can be used for later experiments. This experiment involves the separation of benzoic acid from a more crude form, consisting of benzoic acid, methyl orange, a common acid/base indicator, and cellulose, a natural polymer of glucose (Huston, and Liu 17-24). The technique that is used to perform this separation is called extraction. Extraction is a systematic process of separating...

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Analysis of Unknown Acetic Acid Solution

TITLE : * Analysis of an unknown acetic acid solution OBJECTIVES : * To prepare the sodium hydroxide solution, NaOH * To standardise the base against potassium hydrogen phthalate * To analyse the unknown acetic acid RESULTS : A. Preparation of the sodium hydroxide solution Volume of NaOH taken from the stock solution = 3.33 mL B. Standardisation of the base against potassium hydrogen phthalate | 1 | 2 | 3 | Weight KHP | 1.0000 | 1.0004 | 1.0006 | Final volume...

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The Extraction of Benzoic Acid

polar compound in the aqueous and the less polar or nonpolar compound in the organic) and the compounds can be separated by separating the solvents from each other. In the chemically active extraction, organic acids and bases are separated from a mixture of compounds by converting the acid/base compound to a salt. The salt has a charge so it is soluble in aqueous solvents. The dissolved compound is then separated from the insoluble compounds using vacuum filtration. This technique can be used to...

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Titration Analysis

amount concentration of acetic acid in a sample of vinegar is 0.83 mol/L. VCH3COOH (aq) = 10.00 mL VNaOH (aq) = ? CCH3COOH = 0.83 mol/L CNaOH (aq) = 0.145 mol/L Materials: Sodium hydroxide 100 mL Acetic acid 50 mL 250 mL beaker x 2 Distilled water x 1 bottle Erlenmeyer flask x 1 Burette x 1 Pipette x 1 Pipette bulb x 1 Volumetric pipette x 1 Phenolphalein Procedure: Step 1- Gather materials, put on eyeglasses and apron. Step 2- Pour 50 mL of acetic acid into one 250 beaker...

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Isopentyl Acetate

Experiment 12: Isopentyl Acetate 19 October 2012 Introduction: The purpose of this experiment is to prepare isopentyl acetate by direct esterification of acetic acid with isopentyl alcohol. After refluxing there is an isolation procedure where excess acetic acid and remaining isopentyl alcohol are easily removed by extraction with sodium bicarbonate and water. The ester is then purified by simple distillation and the IR is then obtained. Techniques and equipment used throughout the experiment...

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Centrifugation: Acetic Acid and Centrifuge Tube

Experiment 2: Centrifugation Title Centrifugation of fresh milk and Acetic Acid Objective(s): 1. To separate coagulated milk from mixture of fresh milk and Acetic Acid by centrifugation 2. To determine the relationship of speed of centrifugation with the coagulation of milk which separate from mixture. 3. To study the process of centrifugation Introduction Centrifugation is a process which materials suspended in a liquid medium undergo separation or concentrate due to the effect...

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Orange peel alternative

Will Orange peel and vinegar, remove the stains? 2.) Will it remove the rust of steels and make it shiny again? 3.) Will it be enough to clean and remove stains and rust? Hypothesis of the Study 1.) Yes, oranges and vinegars contains high acids that can remove stains 2.) Yes, 3.) Orange peels are much gentler when removing stains, than stain removers. But will not be enough in removing rust Significance of the Study The purpose of this Investigatory Project is to...

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How to Determine the % of Ethanoic Acid in Vinegar

Chemistry Internal Assessment Title: Determination of the percentage (%) of ethanoic acid in vinegar Date Experiment was performed: 1st April 2011 Criteria Assessed: DCP, CE Apparatus: 2 conical flasks 1 250cm3 volumetric flask ±0.30cm3 Electronic Balance ±0.10g 50cm3 Burette±0.1cm3 25cm3 Pipette±0.06cm3 Materials: 0.20M HCl (±0.02moldm-3) 1.1g solid NaOH (±0.1g) A solution of vinegar of unknown concentration (density= 1.05gcm-3) Phenolphthalein Method: * A solution of NaOH was...

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Vinegar Titration

molar concentration of acetic acid in a sample of vinegar?” was answered via titration using a standard solution of sodium hydroxide, NaOH(aq). In this investigation, students are to act as quality control chemists. Their purpose is to test the acetic acid concentration of the vinegar to discover whether it has been diluted. In this theoretical report, the manufacturer claims on the label that the vinegar contains 5% (0.87 mol/L) acetic acid. Thus, the concentration of acetic acid in the vinegar sample...

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Preparation of 2-Acetylcyclohexanone

moles = mass/molar mass = 3.464 / 71.11g mol-1 Addition of the acetic anhydride Enamine Acetic Anhydride Molecular formula: C10H9N Molecular formula: C4H6O3¬ (2) Volume: 4.5 ml Density: 1.08 g cm-3 (2) Molecular Weight: 102.1 g/mol Boiling point: 139.8ºC (2) Moles : 0.04760 moles Acetic anhydride is the limiting reagent The stoichiometric ratio of acetic anhydride to 2 acetylcyclohexanone is 1:1 Preparation of 2-Acetylcyclohexanone ...

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Developing A Model Airbag ATDP 2014

boats and an electronic scale. We poured the NaHCO3 from the plastic weighing boats into their own plastic bags. Using the measurements of the NaHCO3 , we calculated the exact volumes of 6.0 M acetic acid needed to completely react with the amounts of NaHCO3 (see Calculations). The acetic acid was then measured out using 10 mL graduated cylinders and poured into their respective locations in the plastic bags. Once all of the reactants were placed into their correct positions, the bags were...

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Balsamic Vinegar

vinegar as well, has an acid that also kill insects. Ginger or ginger root is the rhizome of the plant Zingiber officinale, consumed as a delicacy, medicine, or spice. It lends its name to its genus and family (Zingiberaceae). Other notable members of this plant family are turmeric, cardamom, and galangal. Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic acid bacteria.[1] It is today...

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Determination of Chlorine and Iodine in Water

250mL beaker was obtained. A 25mL pipette was used to add exactly 25mL of the KIO₃ solution. Then 50mL of deionized water and about .25g of solid KI was added. The solution was stirred until the solid was completely dissolved. 2mL of glacial acetic acid was then added. Then, the beaker was placed under the buret and was swirled as the sodium thiosulfate was added. The buret was slowed as the color became lighter. When the color was almost gone, 1mL of the starch solution was added to turn the...

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Research: Vinegar and Casein Plastic

adding an acid such as vinegar to the milk, and separating the filtrate (the plastic created) from the liquid. This experiment will test if the pH level of an acid effects the amount of plastic produced. This research is important because the world is always needing a more efficient way of producing things. This experiment will help to determine if there is a more efficient way of plastic from milk, to suppress the ever-growing demand for plastic. Question/Problem: Does the pH level of an acid effect...

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Bromination of Acetanilide

Procedure/Observations: 1. Weigh out ~280 mg of acetanilide in a 10 mL r.b. flask with a stir bar. 2. Then, add 2.0 mL of glacial acetic acid using a calibrated Pasteur pipet. 3. Stir the mixture until all of the acetanilide has dissolved. It may be necessary to add more acetic acid dropwise until full dissolution has occured. 4. In the fume hood, add 0.6 mL of 4.1 M bromine solution in acetic acid. 5. Cap the round bottom flask before returning to the bench. 6. For 15-20 minutes, stir the reaction mixture...

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Experiment 5, Preparation of Synthetic Banana Oil

(isopentyl acetate) through the Fisher esterification method by combining isopentyl alcohol with acetic and sulfuric acid then heating the mixture under reflux for an hour. Esterification is a chemical reaction in which two reactants (an alcohol and an acid) form an ester as the reaction product. Observations and Data: When the sulfuric acid was combined with the isopentyl alcohol and acetic acid, the mixture turned red (due to residue of another chemical remaining on glassware). During the...

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The Causes and Effects of a Lack of Communication in a Marriage

Emergency Telephone: Customer Service: Product Disposal Information: CHEMTREC: (989) 496-5900 (989) 496-6000 (989) 496-6315 (800) 424-9300 MSDS No.: 01890573 Generic Description: Physical Form: Color: Odor: Silicone elastomer Paste Colorless Acetic acid odor 2 Flammability Revision Date: 2006/01/23 NFPA Profile: Health Note: NFPA = National Fire Protection Association 1 Instability/Reactivity 0 2. OSHA HAZARDOUS COMPONENTS CAS Number 17689-77-9 4253-34-3 Wt % 1.0 - 5.0 1.0 - 5.0...

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Unit 4 Rubric

neutralize the acid, your medicine cabinet is a good place to start ● For each remedy ○ Write the chemical formula(s) for the home remedies ○  ​ Write a short description of why it was chosen ● For ​ ONE​ remedy ○ Write the balanced chemical equation between the remedy and vinegar ○ If Jonathan drank 1.53 cups of vinegar, determine how many mL it would be? (1 cup= 236.588 mL) ○ Vinegar has a density of 1.05 g/mL. How many grams of vinegar were consumed? ○ Commercial Vinegar is 5% acetic acid. Based on...

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Stoichiometry Questions and Answers

= 0.005/0.04025 = 0.124 M (3 sf) b) Volumetric pipette c) – rinsed with distilled water first to remove any impurities. Ensured all of the inner suface of the pipette was rinsed. – then rinsed with solution to be transferred i.e. acetic acid solution. – filled up the pipette (with the tip well into the solution) so that the bottom of the meniscus was sitting on the calibration mark. – transferred solution into conical flask, resting the tip on the inner neck of the flask and twirling...

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Purification and Thin-Layer Chromatographic Analysis of Caffeine

Purpose of the Experiment: The intention of the experiment is to use solvent extraction methods to separate a mixture containing a carboxylic acid and a neutral compound. Once recovered, the solids were purified by recrystallization and examined by thin-layer chromatography, and their identities were derived by melting point and infrared (IR) spectroscopy. Extraction is a procedure that selectively dissolves one or more of the mixture compounds into a proper solvent. Extraction refers to...

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Perfume Making

made this organic insecticide. Scope and Limitation of the Study Vinegar is a liquid substance consisting mainly of acetic acid and water, the acetic acid being produced through the fermentation of ethanol by acetic acid bacteria. It is today's mainly used in the kitchen as a general cooking ingredient, but historically, as the most easily available mild acid, it had a great variety of industrial, medical, and domestic uses, some of which such as a general household cleanser are still...

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SYNT 0719 – Brominating Alkenes

SYNT 0719 – Brominating Alkenes OBJECTIVE The purpose of this lab will be to brominate trans-stilbene by using acetic acid and pyrimidium tribromide by refluxing the mixture. To test the purity of product I will take the melting point which should be around 240 ºC along with a flame test which should be green-blue. CHEMICAL PROPERTIES TABLE See Attached Lab Notebook Copies REACTION MECHANISM In this lab we used multiple techniques to complete and verify the bromination of trans-stilbene...

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Acetaldehyde Flowsheet

system for safety reasons as Acetaldehyde is a highly inflammable liquid. The bottom products are sent to the second distillation column, which removes most of the Acetic Acid, Butanol and water from the mixture. Ethyl Acetate, Ethanol and a smaller amount of water exit the distillation column as the distillate. Acetic Acid, Butanol and a larger amount of water exits the column as the bottom product, which is then sent to a plant for waste water treatment. The distillate (Ethyl Acetate...

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Percentage Composition & Molecular Worksheets

mass of 254.7 grams per mole. 8. A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. Answer the following questions: 9. The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. Determine the empirical formula of acetic acid. 10. The molar mass for question #9 was determined by experiment to be 60.0 g/mol. What is the molecular formula? 11. Aniline, a starting material for urethane plastic foams, consists of C, H,...

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PCP chapter 1

mole% acetic acid. Calculate the mass fractions of each compound. What is the average molecular weight of the mixture? What would be the mass (kg) of a sample containing 25.0 kmol of ethyl acetate? 8. A 5.00wt % aqueous sulfuric acid solution (ρ=1.03 g/ml) flows through a 45m long pipe with a 6.0cm diameter at a rate of 87 L/min. a) What is the molarity of sulfuric acid in the solution? b) How long in seconds would it take to fill a 55 gallon drum and how much sulfuric acid (Ibm)...

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Egg Osmosis

order for this to happen the vinegar will make the eggs shell disappears. The reason for this is because vinegar has acetic acid and the shell has calcium carbonate, when these come into contact it produces carbon dioxide. This is the reasoning for the little bubbles when the egg is first put into the vinegar. After the shell discinigrates it will become rubbery from the acetic acid, at this point the egg could very well bounce. | |  Hypothesis: The hypothesis made for this experiment...

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Synthesis of Isopentene

esterification reaction. Fischer esterification is an acid-catalyzed condensation of an alcohol and a carboxylic acid, yielding an ester and water. Isopentyl Acetate has the scent of banana oil, once synthesized it will be purified by distillation. Then the analysis of the sample using H NMR and IR will determine purity of the product. Reaction Scheme: Mechanism: Fischer esterification is the acid catalyzed condensation of an alcohol and a carboxylic acid, where it is protonated at the carbonyl oxygen...

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Chemical Description

odourless and tasteless. . Word meanings: Covalently bond: It is a form of chemical bonding that is distinguished by the sharing of pairs of electrons between atoms. Chemical #5 White vinegar Acetic Acid - CH3 COOH + H2O Density | * 1.049 g/cm3 (l) * 1.266 g/cm3 (s) | Exact mass | * 60.05 g mol−1 | Molecular Formula | * CH3 COOH +H2O | Melting point | * 15.5C° | Boiling point | * 118.1 °C | Acidity | * 4.76 | ...

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research proposal

Vinegar It is consisting mainly of acetic acid ( CH3COOH ) and water. It is produced in the commercials by either fast or slow fermentation. It is made from the oxidation of ethanol in an alcohol-containing liquid, such as wine, fermented fruit juice, or beer. In slow fermentation or in traditional, fermentation proceeds slowly over the course of months or a year. While the longer fermentation period allows for increase of a nontoxic slime composed of acetic acid bacteria.In fast production processes...

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Oxygen and Reaction

stuff. Part II: Decomposition of hydrogen peroxide Appearance of potato and hydrogen peroxide combination: Lots of white, foamy bubbles around the potato slices. Day 2 Observations: Part III: Reaction between zinc and acetic acid Appearance of penny in vinegar after 30 minutes: Pretty dark coloured. Quite hard to see Lincoln’s head or the Memorial. Part IV: Reaction between baking soda and vinegar Description of what happened when the baking soda and vinegar were...

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Chemistry Experiment

compound. This includes Amides, Acids, Alcohols, Ketones, Aldehydes, Amines, Esters, Ethers, and Alkanes. Even though they all can determine the polarity of the compound Amides, Acids, Alcohols, Ketones, and Aldehydes are the most polar and therefore are the best at determining polarity in compounds. 4.) In order of increasing polarity Ibuprofen is the least , then it is Aspirin, then Salicylamide, then acetaminophen, and Caffeine is the most polar. 5.) The Acetic Acid in the TLC solvent is used...

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Agarose Gel Electrophoresis

AGAROSE GEL ELECTROPHORESIS Gel electrophoresis is a widely used technique for the analysis of nucleic acids and proteins. Most every molecular biology research laboratory routinely uses agarose gel electrophoresis for the preparation and analysis of DNA. We will be using agarose gel electrophoresis to determine the presence and size of PCR products. Background: Electrophoresis is a method of separating substances based on the rate of movement while under the influence of an electric field...

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Powdered Coconut Husk, Okra Mucilage, Water Hyacinth and Starch as Alternative Plastic Composites

our study. Amylopectin- on the other hand is a branched and short polymer meaning it will yield brittle and weak plastic which is not good. Vinegar- a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic acid bacteria. By adding a small amount of vinegar to the plastic, we can break up some of the branches of the amylopectin which otherwise would make it brittle. Water...

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Student Doctor

the components identified Materials 1. Glass Slide 2. Needle and Lancet 3. Glacial Acetic Acid 4. 0.1 NaCl 5. Bunsen Burner 6. Microscope Procedure 1. Defibrinated blood was smeared on a glass slide to form a thin film. 2. The glass slide was passed over a moderate flame back and forth until the blood was quite dry. 3. Two drops of glacial acetic acid containing 0.1 N sodium chloride was then added to the film. 4. After placing a cover slip over the...

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Demonstrating Osmosis

changes, whereas other changes may only be qualitatively measured. Equipment / materials 4 eggs Sugar Distilled water Acetic acid Scales Tissue Gloves 4 beakers Procedure • Eggs have been previously prepared by soaking them in 4% acetic acid for about 3 days. The acid will dissolve the shell, and leave the membrane and contents intact. • Remove four eggs from the acid and blot them to remove excess fluid from the surface. • Measure the mass of each egg • Place two eggs in distilled water ...

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Lab Report

3) 4) The limiting reactant for this equation would be NaHCO3 because there is a need for more than there actually is, causing the reaction to stop. Conclusions- The purpose of this experiment was to react sodium bicarbonate with acetic acid, and from that, find the limiting reactant. It was hypothesized that sodium bicarbonate (baking soda) would be the limiting reactant, and through this experiment, the hypothesis was proved correct. Though care was taken to ensure an errorless...

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Cork Rocket Experiment

quickly place the paper towel of baking soda into the bottle, then place the cork into the neck of the bottle. Just WAIT a bit... and the cork will shoot off into the air. For the Wizards: Without getting too technical, Vinegar is an acid (acetic acid, actually) and Baking Soda is a carbonate (which has CO2). When you but these two together, they release carbon dioxide which is a gas and will try to spread and go into the atmosphere. Since this reaction happens in a closed bottle, it...

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Waste Utilization

from dried culled and surplus apples, grapes, oranges and other fruits have also been explored. Vinegar can also be prepared from fruit wastes. The fruit waste is initially subjected to alcoholic fermentation by acetic acid fermentation by Acetobacter aceti bacteria, which produce acetic acid. Vinegar production by fermenting waste from pineapple juice has been reported. Vinegar production by fermenting orange peel juice has also been attempted successfully. Apple pomace extract can also be mixed with...

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foreign materials in processed food

diameter Stirring rods Wash bottles Sharp probe 250 and 400 ml beakers Apparatus Gram scale 20x-30x Wide-field microscope Reagents Lead acetate Acetic acid Heptane Anti-foam agent Method Wildman method was used for light filth analysis of aphids and thrips 1. Boil 100g (97.3g taken) of broccoli + 25g lead acetate + 10ml Acetic acid for 10 minutes with 500 ml of water in 2000ml Erlenmeyer flask with a plunger held up by a clothespin. Add a small amount of anti-foam agent to control foaming...

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Determination of Chemical Formulae

is ZnI2. 2) Due to the fact that the iodine granules and the zinc granules look different in appearance (different shades a grey and overall shape/size), it is easy to observe that there is only one type of element left after the reaction with acetic acid takes place. Since it is given that there is excess zinc, it can reasonably be concluded that all the granules in the beaker are zinc and that the iodine was completely used up. 3) Graph 1: Graph 1 shows the Mass of Iodine Reacted vs. Mass...

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Solvent Extraction

It is normal to use a separating funnel. For instance, if a chemist were to extract anisole from a mixture of water and 5% acetic acid using ether, then the anisole will enter the organic phase. The two phases would then be separated. The acetic acid can then be scrubbed (removed) from the organic phase by shaking the organic extract with sodium bicarbonate. The acetic acid reacts with the sodium bicarbonate to form sodium acetate, carbon dioxide, and water. Multistage countercurrent continuous...

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Flea Shampoo

squeezing out the liquid. Bacteria and Yeast are added to the liquid to start the alcoholic fermentation process, and the sugars are turned into alcohol. In a second fermentation process, the alcohol is converted into vinegar by acetic acid-forming bacteria. Acetic acid and malic acid give the vinegar its sour taste.[1] Apple Cider Vinegar for Dogs - Benefits of ACV for Dogs * AVC is anti-bacterial, anti-fungal, and antiseptic. It helps prevent bacterial and viral growth in the digestive tract. In...

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CHEM3125 Benzoin Synthesis

synthesis of tetraphenylcyclopentadienone Overall Synthesis: CHEMICALS: wk 1: thiamine hydrochloride (1 g/student), 95% ethanol (8 mls/ student), 2M NaOH (5 mls/student), benzaldehyde (4 mls/student) wk 2: 95% ethanol (30 mls/student) wk 3: acetic acid (6 mls/student), ammonium nitrate (1 g/student), 0.1g/ml cupric acetate (1.5 mls/student), dichloromethane (6 mls/ student), 30% acetone in heptanes (3 mls/student), 95% ethanol (20 mls/student) wk 4: 1,3 diphenylacetone (0.5 g/student), triethylene...

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CHM130 Lab 3

In your experiments, which substances combined to form a gas? What gas(es) do you think may have formed? Why?  (18 points) - NaHCO3 + CH3COOH combined to form a gas, CO2 or carbon dioxide, because they create an acid-base reaction. The baking soda is bicarbonate and vinegar is an acetic acid, when the vinegar meet the baking soda the baking soda becomes water and carbon dioxide and the carbon dioxide is expelled. 5. What happened when starch was used? Based on your observations, how could iodine be...

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Health Hazards of the Dye Industry

familiar. The first hazard we meet in the dye industry is from strong adds, such as nitric and sulphuric or a mixture of these two known as mixed acid. These are used to nitrate the benzine or toluene, etc. Their destructiveness to the human tissues is well known and every precaution is taken to prevent these acids from getting on the skin of the workmen. When acid does get on the workman he quickly knows it by the pain it causes, and he immediately drowns it withlwater and seeks a soothing dressing for...

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Literature Survey for the Synthesis of 2-Aminobiphenyl

yields of our desired product and produced a number of other by-products in higher yields. Therefore, only the pathways giving significant yields of the desired product have been listed below. i. Suzuki Coupling of aryl chlorides with aryl boronic acids (Myung-Jong Jin and Dong-Hwan Lee, 2010) Suzuki coupling reaction is an example of heterogeneous catalysis. The advantage of heterogeneous catalytic systems is that they can be considerably re-used whilst keeping the inherent activity of the catalytic...

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Alkene Addition Report

experiment and shows the possible identities for the product. II. Key experimental details, observations, and results: Table 1: Exactly how much of each reagent was used Reagent | Amount added to flask | (E)-stilbene | .201g | Glacial Acetic Acid | 4.1mL | Pyridinium Tribromide | .391g | A. Observations: 1. The 10mL round-bottom flask weighed 17.690g. 2. The flask was heated and stirred at ~95 C until the (E)-stilbene dissolved. 3. 4mL of cold Deionized water was run...

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Ethanol and Overall Material Balance

a process in which acetic acid (A) is extracted from a mixture of acetic acid and water (B) into 1-hexanol (C), a liquid immiscible with water. R xA = 0.005 xB = 0.995 F, 400 g/min zA = 0.115 zB = 0.885 S pureC E yA = 0.096 yC = 0.904 Figure 1 Calculate E, R, and S based on the given mixture feed rate F. Given: Figure 1 Required: E, R, S Solution: Basis: 400 g/min F Tie component in F and R: water (B) Component Material Balance for acetic acid (A): → Overall...

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TLC analysis

chromatography or thin layer chromatography is a type of planar chromatography. TLC is routinely used by researcher in the field of phyto-chemicals, biochemistry etc. to identify the components in a compound mixture like alkaloids, phospholipids, amino acids etc. It is a semi quantitative method of analysis and its sophisticated version or highly precise quantitative version is High performance thin layer chromatography (HPTLC). Similar to other chromatographic methods TLC is...

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Conservation of Mass Lab

Conservation of Mass 9/27/10 Block A5 Materials * Baking Soda (NaHCO3) * Vinegar (acetic acid, CH3COOH, solution) * Ziploc bags * Weight boats * 100mL graduated cylinder * 150mL beaker * 400mL beaker * Balance The purpose of this lab was to find the mass of the products and reactants and to show a chemical reaction between them. I will use our results to apply what we’re learning in class which consists of: intensive and extensive properties, physical and...

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Lab report

mixture. Fractional crystallization makes use of the differences of solubility to separate the components of a mixture. Goals: Applying fractional crystallization to separate a mixture of salicylic acid and copper sulfate pentahydrate into its components. Calculate the percent of salicylic acid and copper sulfate pentahy- drate in the mixture. Procedure: Block/McKelvy/with contributions from Georgia Perimeter Faculty (2012) - Laboratory Experiments for Chem 1211L & 1212L Cengage Learning...

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Investigatory Project

economy, bringing thrice the price of traditional hard cider. In the slow, or natural, process, vats of cider are allowed to sit open at room temperature. During a period of several months the fruit juices ferment into alcohol and then oxidize into acetic acid. The French Orleans process is also called the continuous method. Fruit juice is periodically added to small batches of vinegar and stored in wooded barrels. As the fresh juice sours it is skimmed of the top. Both the slow and continuous method...

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Lab About Alcohols

the average concentration for non alchohol mouthwash was percent error = |(Vtrue - Vused)/Vtrue| X 100=5.43 seen through the experiment and this reaction. 2 Cr2O72- dichromate ion orange color+3 C2H5OH ethanol colorless+16 H+ →4 Cr3+ 3 C2H3O2H acetic acid colorless+11 H2O water colorless The fact that the non alcohol mouthwash indeed ended up having mouthwash seen through the reaction with Potassium dichromate. The fact that it did have a significant amount of alcohol could lead one to think that...

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Synthesis and Chemiluminescence of Luminol

LUMINOL Abstract: Chemiluminescence occurs in nature and can be found in everyday products. For example, the light omitted by fireflies, deep sea fish and glow sticks is a result of this process. Luminol was synthesized from from 3-nitrophthalic acid and then combined with potassium ferricyanide and hydrogen peroxide to omit a blue light. The product of this reaction is very unstable and is made by losing a nitrogen and the electrons go from an excited state to ground state and energy emitting...

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Riboflavin Fluorescence Spectra

Vitamin B2 tablet, and interpolation from the graph to find the concentration, after the fluorescence was measured. This was done by measuring out 50mL of 25% acetic acid solution using a 100mL measuring cylinder to extract the riboflavin after it was crushed using a mortar and pestle and washed into a 50mL beaker. While washing the acetic acid and crushed pill solution from the mortar and pestle used, some spillage of the solution occurred, but the solution could not be remade due to a lack of time...

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