guess paper 1. Express the rate of following reaction in terms of disappearance of hydrogen in the reaction. 3H2(g) + N2(g) 2NH3(g) 2. What is peptisation? 3. Write Reimer Tiemann reaction. 4. Why is CO stronger ligand that Cl-. 5. Write structure of 2-(2-Bromophenyl)butane. 6. Complete the reaction C6H6+R COCl 7. Why pentahalides more covalent than trihalides? 8. What is difference between nucleoside and nucleotide? 9. Explain the following- (a) Gattermann Koch
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With the development of scientific management‚ technology‚ and productive power‚ the products concerning the metal Magnesium have been developed in a diversified way involving Mg particle‚ Mg alloys‚ Mg powder‚ Mg ingot‚ Mg stick‚ Mg sacrificial anode and high performance sacrificial anode etc. The metal Mg‚ 2/3 density of the metal Aluminum‚ is one of the lightest metals. The potential application of the metal Mg is of great importance especially under today’s situation that energy has been greatly
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Chemical Properties: 1. All of the alkaline earth metals form an oxide (rust) on their surface at room temperature (except for Beryllium). 2. All of the alkaline earth metals (except Beryllium) reduce water and dilute acids to hydrogen. 3. Magnesium can reduce‚ and burn in‚ carbon dioxide. https://www.youtube.com/watch?v=_xCbal2YyaE https://www.youtube.com/watch?v=FofPjj7v414 burning magneseum youtube.com/watch?v=_xCbal2YyaE
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BUILDING DEFECTS PART 1 • Identify common building defects • Identify the source • Provide pictures‚ diagrams and sketches • Suggest remedial action • Show details that would have avoided the defect PART 2 Generate a scheme for planned maintenance and provide a building checklist to ensure all necessary maintenance is carried out on a regular basis. INTRODUCTION In this project we will be looking at many different kinds of building defects that would be commonly seen in the construction
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10/19/2011 Akruti Patel Lab Report #4: Determination of a chemical formula: the empirical formula of Magnesium Oxide 1. Purpose: Determine the empirical formula of magnesium oxide from the percent composition (this can found using the Analytical Method and the Synthesis Method). 2. Introduction: In the late eighteenth century‚ combustion has been studied extensively. In fact‚ according to Steven and Susan Zumdahl‚ Antoine Lavoisier‚ a French Chemist‚ performed thousands of combustion experiments
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the science lab. In science‚ we would participate in a lab. One of my favorite labs was the owl pellet dissection. Owl pellets are owl throw up. In owl pellets you can find the bones of animals the owl consumed. In this lab we were to take out the bones we found in the pellet and construct the animal we found inside. Most people‚ like me‚ had a sort of rodent‚ but some people found birds in their pellet. Another one of my favorite things we did in science was the Sharpie tie dye lab in fifth grade
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Carotenes Folates Carbohydrates Dietary Fibre ➔ Milk & Dairy Foods Nutrients provided = Calcium Protein Vitamin B12 Vitamin D ➔ Meat & Fish Alternatives Nutrients provided = Iron Protein B Vitamins (B12) Zinc Magnesium ➔ Fat & Sugar Nutrients provided = Fat (moderate amount) Carbohydrates (Sugar) Resubmission To ensure a balanced diet the body
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***ANSWERS*** CP Chemistry Mole Review Practice Problems Find the mass of 0.89 mol of calcium chloride. 0.89mol x 111 g / 1 mol = 98.8 g Determine the number of moles of C5H12 that are in 362.8g of the compound. 362.8g x 1 mol / 72 g = 5.04 mol Find the mass of 0.159 mol of silicon dioxide. 0.159 mol x 60 g / 1 mol = 9.54 g You are given 12.35 g of C4H8O2. How many moles of the compound do you have? 12.35 g x 1 mol / 88 g = 0.140
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Book review of The Firework Maker’s Daughter The story is about a firework maker called Lalchand and his daughter‚ Lila‚ who also wanted to be a firework maker. One day Lila runs away to get the last ingredient needed to be a successful firework maker. In a volcano Lila finds the royal sulphur (the last ingredient) but she was in danger of burning. Her friend Chulak‚ and the white elephant Hamlet‚ save her from the flames of the lava by giving her some fireproof water from the goddess of the
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Empirical Formula Lab Class: Chemistry 1405 Fall 2013 Aim: The aim of this Lab Exercise is to use the mass of a chemical and use that mass to find the amount of moles of the final product you can get using the empirical formula. Introduction: The empirical formula of a compound is the simplest whole-number ratio of the elements in the compound‚ which as you will discover‚ is a ratio of the moles of those elements. “Empirical” also means “experimentally determined”. In this experiment
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