purpose of this separations lab was to see what the most efficient way is to separate a dry mixture using all kinds of materials. The mixture was of salt‚ sand‚ iron filings‚ and bird seed. Results: The results of mass recovered were very different from what the actual mass was. The iron filings were about the same besides recovering 0.1 extra gram. For the bird seed‚ there was 0.7 grams more collected from the original mass that is 2.0 grams. The sand had 2.5 grams recovered‚ where the original
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SHOULD ALCOHOL BE BANNED? We can scarcely turn on televisions or pick up newspapers these days without being confronted with yet another depressing news item about the alcohol law. Some people‚ whom I agree with‚ believe that alcohol should be banned for society welfare level. They also claim that alcohol triggers committing crime. On the other hand‚ others think that alcohol ban is to interfere in life style. To begin with‚ the supporters of this argument that alcohol results in
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Exhaust Gas Recirculation 1. INTRODUCTION All internal combustion engines generate power by creating explosions using fuel and air. These explosions occur inside the engine’s cylinders and push the pistons down‚ which turns the crankshaft. Some of the power thus produced is used to prepare the cylinders for the next explosion by forcing the exhaust gases out of the cylinder‚ drawing in air (or fuel-air mixture in non-diesel engines)‚ and compressing the air or fuel-air mixture before the fuel is
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considered. Yet according to the National Institute on Alcohol Abuse and Alcoholism (NIAAA)‚ some studies of primary care practices have shown that alcoholics receive an assessment by a medical professional and a referral to treatment only about 10 percent of the time.According to a study released by the Substance Abuse and Mental Health Services Administration in 2004‚ in considering the state averages of the percentages of people with alcohol dependence‚ the nationwide average statewide percentage
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Dangers of Alcohol There are many dangers of using Alcohol‚ but there are only about 3 that stand out the most to me. The 3 dangers that get my attention are liver problems‚ bad judgment‚ and addiction. Although these may not be the deadliest dangers of alcohol‚ they are the deadliest to me. First off‚ the job of the liver is to remove toxins from the body. Alcohol is a type of toxin that the liver has to try and remove. The liver can only process so much alcohol‚ and any extra alcohol that is left
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Student ID: 4593119 Date: 7 Dec 2014 Course and Section Number: SCIN131 A004 Fall 14 Lesson 4 Lab: Chromatography and Ionic versus Covalent Bonds PART 1 Begin by viewing the following Thinkwell video 15.1.3 CIA Demonstration: Chromatography After you watch the above video‚ answer the questions below in sufficient detail: (a) (3 pts.) This video discusses 3 different types of chromatography. List each one mentioned‚ and describe their differences in as much detail as possible (your points
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that molecule than the other alcohols. Within a molecule there are bond energies that are holding the atoms together. When the fuel combusts a chemical reaction takes place‚ this breaks the bonds‚ this requires energy‚ and makes new bonds this gives out energy. The energy differences between the two tell us how much energy was given out or taken in. We can show this on a graph. ENERGY CHANGES DURING A REACTION To find the bond energies in the molecule of the alcohol we have to look at the how
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the pineapple into a thick‚ pulpy mixture of fresh pineapple. You need about a cup of this mixture. 2. Prepare the Jell-O as described in the directions on the box. 3. As you are boiling the water for the Jell-O‚ take a tablespoon of the thick‚ pulpy pineapple mixture and pour it into one of the three small bowls. Save that tablespoon for use with that bowl only. Mark the bowl as “room-temperature pineapple juice.” 4. Take the rest of the thick‚ pulpy mixture and pour it into a pot. You will
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Anthony Svizzero October 14‚ 2010 Alcohol Edu Reflection Through this experience‚ I gained much insight into the negative effects and consequences that are associated with the consumption of alcohol. This course has taught me and equipped me with many facts and information about alcohol that I was not previously aware of. With this gained knowledge I am a more informed person whom can make better decisions for myself that will not place myself for the people around me in dangerous situations
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Separation of Amino Acids by Cation Exchange Chromatography Introduction and Purpose: Amino acids are small biomolecules that have a carboxylic acid backbone in common‚ as well as an amino group attached to a saturated carbon. There are many amino acids‚ but there are 20 most commonly know amino acids. Amino acids are the fundamenta building blocks of other biomolecules like proteins and ezymes (Davidson‚ 2015). This experiment examined a mixture of 3 amino acids. The purpose of this experiment
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