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Nail Polish Sulfuric Acid
677 wordsAIM To prepare and purify an ester. &# 61656; concentrated sulphuric acid &# 61656; sample of nail polish (for smell comparison) &# 61656; separating funnel and stopper &# 61656; 1 mol L- 1 sodium carbonate solution After carefully assembling the apparatus and given a safety approval by the teacher, I carefully added the ethanol and glacial acetic acid into the pear shaped flask. A few marble chips were added to avoid the larger reactive bursts of the mixture during refluxing that were predicted...
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Paper Towel One Person
501 wordsPaper Towels On Trial Have you ever wondered what the best brand of paper towels is? Or what "the best" actually means? Well, our group adventured out to find "the best" paper towel! We tested seven different brands of paper towels. We did 3 different controlled experiments to collect data. The data will help to determine the best paper towel out of the seven brands we tested. The brands we tested were: Bounty, Scott, Viva, Home Best, Strong n' Thirsty, Good Day, and Green Forest. The materials ...
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Copper In Nitric Acid
554 words3 Cu + 8 HNO 3 -- 3 Cu (NO 3) 2 + 2 NO + 4 H 2 O The balanced equation seen on the top is what you attain when you place copper metal in concentrated nitric acid. In this process the identifiable characteristics of the metal will be completely changed and a new substance, cupric nitrate, will be formed. Copper forms two series of chemical compounds: cuprous, and cupric. Cuprous compounds are easily oxidized to cupric, in many cases by simple exposure to air; cupric compounds are stable. When nit...
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Volume In Each Burette Number Of Moles Base
530 wordsProblem: When adding acids and bases what is the titration of the two? Amounts of reactants and products in a reaction are commonly investigated in two ways in the lab, gravimetrically (by mass), and volumetric ally (by volume and concentration). Titration is the name we give to the process used to determine the volume of a given solution needed to react with a given mass or volume of a sample. We will use the quantitatively study a neutralization reaction, in a neutralization reaction an acid a...
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Pieces Of Literature Metabolic Rate
1,092 wordsAnimal metabolism consists of the utilization of nutrients absorbed from the digestive tract and their catabolism as fuel for energy or their conversion into substances of the body. Metabolism is a continuous process because the molecules and even most cells of the body have brief lifetimes and are constantly replaced, while tissue as a whole maintains its characteristic structure. This constant rebuilding process without a net change in the amount of a cell constituent is known as dynamic equil...
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Spontaneous Generation Living Organisms
644 wordsFrom the time of the Ancient Romans, through the Middle Ages, and until the late nineteenth century, it was generally accepted that life arose spontaneously from non-living matter. Such "spontaneous generation" appeared to occur primarily in decaying matter. For example, a seventeenth century idea for the spontaneous generation of mice required placing sweaty underwear and husks of wheat in an open-mouthed jar. Then, waiting for about 21 days, during which time it was said that the sweat from th...
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Thoughts Were Disturbed Dirty Cloth Mouth
583 wordsTake me to your leader, Jireehove or, as his friends called him, Jig said to the chief gate-guard. It was a tall and gorilla-like creature with blood-red eyes peering at him with disgust from behind the helm decorated with bones. For a few moments the guard hesitated, estimating the danger the lonely traveler could bring, and then he shouted right in Jig's face the words in a terrible accent that identified his nature a goblin. Elfish scum! I will take you to my leader! Khan kazza! , after the l...
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Shell Shock Gas Attack
929 words1. 0 INTRODUCTION Congratulations, you are now a soldier. You now have the duties that come with that and that is to fight for your country. The front is very different compared to recruit training and for that reason this is why we have published this manual. It hopes to help you familiarize yourself on what you will go through at the front. Take note on the points given in this manual as it could help to save your friends life or more importantly yours. 2. 0 BASICS 2. 1 READ MANUAL -Be sure to...
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Life With A Peppermint Bottle Life With A Peppermint Objects
912 wordsPaul Cezanne is considered one of the greatest and most memorable artists of the Post-Impressionist period. His techniques were admired and greatly influential in the development of Cubism and many other modern art movements. He employed several styles in his works, such as his still life productions. In 1894 he produced a brilliant piece of work entitled Still Life with a Peppermint Bottle. Through this work he used elaborate techniques that most artists had not even discovered during his era. ...
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Ratio Of Circumference To Diameter Tray From A Scale Error
560 wordsDetermining The Ratio Of Circumference To Diameter Determining The Ratio Of Circumference To Diameter Of A Circle Determining the Ratio of Circumference to Diameter of a Circle In determining the ratio of the circumference to the diameter I began by measuring the diameter of one of the si objects which contained circles, then using a string, I wrapped the string around the circle and compared the length of the string, which measured the circumference, to a meter stick. With this method I measure...
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Potassium Hydroxide Carbon Dioxide
1,400 wordsFinding out about photosynthesis Date: Partners: Aim: To be able to explain the conditions necessary for photosynthesis and to compare experimental results to a control. To recognise tests for some inorganic substances found in plants. Materials: h A plant with variegated leaves in a pot which has been in the dark for 24 hours prior to the class h Iodine h Alcohol h Potassium hydroxide h Hotplate (or Bunsen burner with tripod) h Petri dish h Funnel h 2 flasks (500 ml) h 2 beakers h Aluminium foi...
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Bunsen Burner Hydrochloric Acid
762 wordsThe Problem: I am going to find out how temperature can affect the rate of reaction. Background information: Factors that change the rates of reactions are: ? Temperature? an increase in temperature will make the reaction occur faster. This happens because the particles of that substance move faster when it is heated. Because the particles move faster, they would collide more, making the reaction rate faster. ? Concentration? the increase in concentration, the greater and faster the reaction. Th...
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Sulfuric Acid Sodium Bicarbonate
9,780 wordsHow To Manufacture The D Enantiomer Of How To Manufacture The D Enantiomer Of Phenylaminopropane, And 3, 4, methyl-ene-dioxymeth-phenylaminopropane Re: DETAILED METHODS for NON-CHEMISTS METHamphetamine PRECURSS CLEANING/wk UP Extractomania... by Ozbee friends. edited by Placebo INDEX Equipment 2: Ingredients 3: Method step 1: step 2: step 3: step 4: step 5: step 6: 4: Acid/Base 5: HCl-Gassing 6: Note Equipment Various jars, glass vessels, beakers etc PH paper, electronic PH tester Filter paper c...
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Frequently Asked Questions Organic Chemistry
2,291 wordsInstruction Manual The purification process: Recrystallization &# 038; Filtration Jason Williams 09 - 13 - 00 NATS 4310 Table of Contents Preface Chapter 1 Equipment involved and preparation Glassware and accessories Proper sterilization of equipment Safety precautions Chapter 2 Setup procedure before purification Equipment setup Choosing of solvent Chapter 3 Gathering of an unknown compound and the first step: filtration Collection Filtration Repeat Filtration and Cleaning Collection and measur...
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Ahab Moby Dick
1,728 wordsEnglish Moby Dick Andrew Woollard English 367. 02 WI 2000 Moby Dick Character Analysis: Ahab Moby Dick can be viewed as a tragedy. Webster? s Dictionary defines tragedy as a? dramatic composition, dealing with a serious or somber theme, typically that of a great person destined through flaw of character or conflict with some overpowering force, fate or circumstance to downfall or destruction. ? This describes Moby Dick very well, as we discover as the story unfolds. Ahab, one of the key characte...
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Years Of His Life Place In Society
1,536 wordsSymbolism dominates literature. Without it, the author is handcuffed and is left without a highly effective tool to convey his or her message. By using symbolism, an author can still maintain an objective appearance by letting the literary device do its work in expressing views, relaying opinions or simply stating the facts. We encounter a great deal of symbolism in Herman Melville's Moby Dick. The book itself is a clear representation of the American society, its values, goals and inhabitants, ...
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Wyatt Earp Doc Holliday
1,383 wordsFew gunmen in history have been as notorious as the late John Doc Holliday. Part of the reason Doc has enjoyed such a famed history is because of the overall descent man he was, that is when hewn t gambling, drinking, and gun slinging. When Doc died he might have had a handkerchief, a pocket knife, a deck of poker cards, a flask half full of whiskey, and a small essay entitled My Friend Doc Holliday by Wyatt Earp. The most important item Doc would have had on him when he died was a handkerchief....
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Sulfuric Acid Nitric Acid
11,285 wordsPreparation And Mechanisms Of High And Low Preparation And Mechanisms Of High And Low Grade Explosives EXPLOSIVE FORMULAS Once again, persons reading this material should never attempt to produce any of the explosives described here. It is illegal and extremely dangerous to do so. Loss of life and limbs could easily result from a failed (or successful) attempt to produce any explosives or hazardous chemicals. These procedures are correct, however many of the methods given here are usually scaled...
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Check The Exact Temperature Piece Of Glass Flask
415 wordsCHARLES? Gas Laws GAS LAWS CHARLES? LAW Purpose: To show that the volume of the gas or mixture of gases such as air, changes when the gas is heated or cooled. Materials: Thermometer, (1) 600 ml beaker, (1) battery jar, and (1) 125 Erlenmeyer Flask, (1) stopper with a 2 in. piece of glass, glove, ring stand Procedure: Set up an Erlenmeyer Flask with a stopper and 2 -inch piece of glass tubing inserted in the stopper. Boil approximately 400 mL of water by allowing a clamp to press on the top of th...
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