ALCOHOL: SHOULD IT BE ABOLISHED? Malaysia is known as the tenth largest consumer of alcohol in the world and very few studies have been done to find the accurate magnitude of the problems caused by this consumption. Although not many studies have been carried‚ the facts and figures show that it is increasing each year. Malaysians spend about USD$500 million on alcohol yearly and among the drinking population‚ the Malaysian Indians who are 8 per cent of the country’s population are
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Looking for a Gas Gas is everywhere. There is something called the atmosphere. That’s a big layer of gas that surrounds the Earth. Gases are random groups of atoms. In solids‚ atoms and molecules are compact and close together. Liquids have atoms that are spread out a little more. Gases are really spread out and the atoms and molecules are full of energy. They are bouncing around constantly. Gases can fill a container of any size or shape. It doesn’t even matter how big the container is. The
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Unit Project Documenting the Scientific Method Separating Mixtures Project Separating Mixtures: How can you separate salt water to make pure and drinkable fresh water? Design and build a device to separate a mixture of salt water into its components. For example‚ what device could you build to get the most drinkable water from salt water if you were on a stranded island in the middle of the ocean? Gather data on the amount of water collected and the purity of the water‚ which can
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Lab 2: Separation of Mixtures and Solids Purpose: The purpose of this lab is to become familiar with the separations of mixtures and solids. Pre-lab predictions: Data: Data Table 1: Experiment Data | | Grams | Percentage of Mixture | Iron Filings | 2.0g | 26.67% | Sand | 1.6g | 21.33% | Table Salt | 2.4g | 32.00% | Benzoic Acid | 1.2g | 16.00% | Total | 7.5g | 96% | Observations: While the water was boiling with the three solids (salt‚ benzoic acid‚ and sand) the water got
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ORO CITY GAS ABSORPTION COLUMN - MASS TRANSFER EXPERIMENT B ChE 35 Chemical Engineering Laboratory II Acabo‚ Dean Cris Aguirre‚ Ian Carlo Belarmino‚ Arniel Catan‚ Charles John Engr. Marco Theodore E. Escaňo ChE 35 Instructor October 2012 OBJECTIVE: To calculate rate of absorption of carbon dioxide into water from analysis of liquid solutions flowing down the absorption column. THEORETICAL BACKGROUND: Absorption refers to the transfer of a gaseous component from the gas phase to a
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Experiment No. 4 : PAPER CHROMATOGRAPHY INTRODUCTION The objective of this experiment was to resolve a given sample into its components by paper chromatography‚ to evaluate the retention factor of each component in the sample and to compare the relative solubility of the various components of a mixture of colors in a given solvent. METHODOLOGY To prepare for the experiment‚ place solvent into a test tube‚ so that the level of solution is about 2 cm from the bottom. Stopper the test
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Experiment 5 Analysis of Analgesic Tablet by High Performance Liquid Chromatography Abstract An unknown sample‚ 529‚ was tested using high performance liquid chromatography to detect the concentrations of acetaminophen‚ aspirin‚ and caffeine respectively. There was found to be 4.03±0.144mg/100mL of acetaminophen‚ 11.5±0.185mg/100mL of aspirin‚ and 4.89±0.185mg/100mL of caffeine. Based on accepted values‚ the maximum daily amounts of each compound are 4000mg of acetaminophen
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09/18/2012 09/19/2012 Title: Separation of Mixtures and Solids Purpose: The purpose of this experiment was to practice the process of separating mixtures of different solids. Procedure: This experiment consisted of different processes to separate a mixture of solids into the four individual solids: sand‚ benzoic acid‚ iron fillings‚ and sodium chloride. To remove the iron fillings from the mixture I used a magnet and scanned it across the entire mixture and the magnet forced picked up all the
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Introduction A heterogeneous mixture is not uniform throughout. Therefore‚ separate components of a heterogeneous mixture can be separated by using differences in the components’ physical properties. In this laboratory experiment‚ I attempted to experimentally verify that the components of a heterogeneous mixture containing salt‚ sand‚ and benzoic acid can be separated using the separate components’ solubility properties (ability to dissolve in water). Because it is known that organic compounds
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CH241 – Lecture Outline Chapter 6: Reactions of Alkenes Carbocations How are carbocations classified? What stabilizes a carbocation and why? What is the Hammond Postulate? How does the stability of the carbocation intermediate effect the number of products and why? What are the three types of carbocation rearrangements and why do they occur? Stereochemistry of Reactions (read 6.14 in 7th edition before class) What are the three ways a reaction can have stereochemistry? (a) What is
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