Compound Molecular Structure Molecular Weight (g/mol) Melting point (0C) Solubility Hazard Sulfuric acid (H2SO4) 98.079 10 Miscible in water Hazardous in case of eye contact (irritant)‚ of ingestion‚ of inhalation. Slightly hazardous in case of skin contact (irritant) Ammonium Bromide (NH4Br) 97.94 452 Soluble in water Hazardous in case of eye contact (irritant)‚ of ingestion‚ of inhalation. 1-Butanol (C4H10O) 74.12 -89.8 Soluble in water. Very soluble in acetone‚ miscible with ethanol‚
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Experiment #8 – properties of Alcohols and Phenols Introduction As has been mentioned before‚ over 20 million organic compounds have been identified. If each substance had to be studied as an entity completely separate from all the other substances‚ the study of organic chemistry as a whole would be impossible; that is to say‚ even more impossible than you currently believe it to be. Fortunately‚ the subject can be organized and it is often organized around the concept of the functional group
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her skill and mouth. Because of the evidence the duct tape on Caylee’s mouth‚ examiners determined that Caylee was murdered. Casey Anthony’s trial lasted about a month and a half. The prosecution said that Casey murdered her daughter by putting chloroform (a substance that puts someone to sleep‚ but if too much used it can cause death.) However Case’s
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type which involves heating chromium hexacarbonyl under reflux in an excess of the aromatic compound or with a molar quantity in an inert solvent. Shortly after our preliminary communication‚2 Natta and his co-workers also described the direct preparation of several of these compounds‚ but used a pressurised system (with intermittent release of carbon monoxide) and higher temperatures (200-235"). The work of Fischer and his school shows that equilibria are involved in these reactions-an excess of
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Medical Practices of the Civil War The medical practices used during the Civil War era were not very advanced and took a big toll on the war itself. Many of the soldiers‚ both Union and Confederate‚ returned home with missing body parts‚ were shell shocked‚ or were psychologically traumatized. These medical practices during this time did not do much to help the lives of the soldiers other than doing the bare minimum to keep them alive‚ which in many cases‚ resulted in infection and disease
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THE PROBLEM AND REVIEW OF RELATED LITERATURE AND STUDIES Introduction Everyone is naturally pre-determined to have an offspring. This would just exist in a relationship of a man and woman. It is not always true in a relationship if there is a new life that will be formed. Several factors may contribute to the hindrances in the formation of new life especially to man because male (sperm) gamete is the one responsible to initiate fertilization‚ the union of male (sperm) and female (ovum) gametes
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ml/min. DLTH was monitored at 237 nm at a sensitivity of 0.50-0.005 a.u.f.s. The quantitation of DLTH in samples (rabbit’s plasma) was done by comparing the peak height in the sample with a standard calibration curve of DLTH in rabbit plasma. B. Preparation of stock solution Weighed accurately about 25.0 mg of diltiazem and transferred to 25 ml volumetric flask. Added 20 ml of a 0.001 M aqueous hydrochloric acid solution and sonicated to dissolve and degassed. The resultant solution diluted up to the
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Melinda Torres Psych-personality Jan 26‚ 2014 Casey Anthony case The Casey Anthony Trial One of the most controversial and polemic trials of all times since the OJ Simpson trial was the case of Casey Anthony and the murder of her two year old daughter. All the evidences and witness revealed that she was the main suspect in the murder of her daughter; however in 2011 she was found not guilty of this murder due to several different aspects. In addition
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Charlotte Perkins Gilman was born on July 3‚ 1860 in Hartford‚ Connecticut‚ to Mary Perkins (formerly Mary Fitch Westcott) and Frederic Beecher Perkins. She had only one brother‚ Thomas Adie‚ who was fourteen months older‚ because a physician advised Mary Perkins that she might die if she bore other children. During Charlotte’s infancy‚ her father moved out and abandoned his wife and children‚ leaving them in an impoverished state. Since their mother was unable to support the family on her own‚ the
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Determination of Caffeine in Tea Samples CONTENTS 1. 1. Introduction 2. 2. Theory 3. 3. Uses of Caffeine 4. 4. Effects of Caffeine 5. 5. Procedure 6. 6. Observations 7. 7. Result INTRODUCTION Tea is the most commonly and widely used soft beverage in the household. It acts as a stimulant for central nervous system and skeletal muscles. That is why tea removes fatigue‚ tiredness and headache. It also increases the capacity of thinking. It is also used for lowering body temperature
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