Lab 5 n-Butyl Bromide Preparation Introduction: The purpose of this lab is to properly extract and distill n-butyl bromide It is ideal to perform this technique with accuracy‚ which can be measured by the percent yield. Chemicals: n-Butyl Bromide- clear‚ yellow liquid that is slightly soluble in water. Molar weight of 137.02g and has zero reactivity. Sodium Bromide- white‚ crystals‚ granules. Soluble in water with no reactivity. Molar weight of 102.89g. Sulfuric Acid- colorless liquid
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! IONIC/ UNIVALENT 1. Full name of metal first. 2. Name of non-metal second‚ BUT change ending to IDE. I.E. NaCl Sodium Chloride IONIC COMPOUND WITH MULTIVALENT 1. Full name of the metal‚ write in the Roman numeral to indicate the valence in brackets. 3. Name of non-metal second‚ BUT change ending to IDE. I.E. FeCl3 Iron (III) chloride BINARY COVALENT COMPOUNDS Two nonmetals 1. Name each element. (the element furthest to the left on the periodic table is written
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of the salt applied to the roadways eventually ends up in the ground water. It is estimated that 30% to 50% of the salt used travels into the ground water. Salt effect two areas of ground water‚ chloride concentration and sodium concentration. Chlorides may be present in the form of sodium chloride crystals or as a ion in a solution. Normal
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PART IX - SPICE AND SALT 106. Prohibition to sell sub-standard spice (1) No person shall import‚ process‚ store‚ expose for sale or sell any spice which does not comply with the standard specified in paragraph (2). (2) (a) Spice shall be the sound leaves‚ flowers‚ buds‚ fruits‚ seeds‚ barks or rhizomes of plants that are suitable for use as condiments for imparting any flavour or aroma to food; (b) Aniseed shall be the dried‚ ripe fruit of the plant
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SUMMARY OF ORGANIC REACTIONS SECTION 1 - ALIPHATIC Aldehydes and ketones |Type of reaction |Mechanism | |1. oxidation (aldehydes only): aldehyde ( carboxylic acid |n/a | | | | |reagents: potassium
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plants would die and people and animals would go thirsty. What is water? Water is made up of two hydrogen atoms‚ and one oxygen atom. When these atoms come together‚ they form a strong bond that can’t be broken. What is Table salt? Sodium chloride Designed for cooking Has many ingredients 1. Potassium iodine- stabilizer 2. Glucose (sugar) - prevent the potassium iodine from breaking down. 3. Calcium silicate- anti-caking additive What at Sea salt
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The Effect of Metal Ions on Lichens Casey Stinnett ESC 1510 October 30‚ 2014 Introduction Lichens are a sybiotic association of fungus (mycobiont) and algae (Pediastrum boryanum . The fungus engulfs the algae‚ then supplies carbs‚ nitrogen‚ and vitamins while the algae photosynthesizes. This unusual relationship enables the lichen to grow in environments where neither fungus nor algae would normally be able to solely survive. They are found on every continent‚ ranging all the way from
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Lab #18 Stoichiometry In this lab‚ we reacted aluminum foil with a copper chloride solution‚ and determined the amount of metal that should be produced‚ given the amount of aluminum used. First‚ we obtained a piece of aluminum with a mass of 0.809 g‚ and reacted it with 100 mL of Copper II Chloride‚ after heating the solution. Then‚ we filtered out the copper separated in the reaction using filter paper‚ massing 0.751 g. Once all the solution was filtered‚ we massed the new filter paper filled with
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phosphate solution into five vertical wells under column number 1. b. Place 2 drops of sodium iodide solution into five vertical wells under 2. c. Place 2 drops of sodium sulfate solution into five vertical wells under 3. d. Place 2 drops of sodium chloride solution into five vertical wells under 4. e. Place 2 drops of sodium bicarbonate solution into five vertical wells under 5. f. Place 2 drops of sodium carbonate solution into five vertical wells under 6. g. Place 2 drops of sodium hydroxide solution
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education CHEMISTRY Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 0620/01 October/November 2008 45 Minutes *6400528663* READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the
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