|Student Number |101 | | | | |Student Name |Sunil_3 Patel | | |
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Make a Battery from Potato Introduction: Batteries generate electricity through a chemical reaction between two different electrodes and one electrolyte. Use of Copper and Zinc electrodes and Sulfuric acid as electrolyte is a proven method for this process. We are wondering if we can use any other liquid as electrolyte? This gave us the idea of using a potato as electrolyte. After all a fresh potato has a lot of juice that may serve our purpose as electrolyte. Problem: Can Potato be used
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Evelyn Ramos CHEM LAB 201-003 Professor Ruddock Experiment #4 - Chemical Reactions Performed: 3/6/13 DUE: 3/13/13 Pre Lab Questions: 1. Before you can write a chemical equation‚ what must you know? You have to know what the products and reactants are. 2. What observations might you make that suggest that a chemical reaction has occurred? If a gas is produced or precipitates are formed that indicates chemical reaction. Also‚ if color changes occur or
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The RDA of calcium and phosphorus for children 1 to 10 years is 800mg and that of zinc is 10mg. Children of age 7 to 10 years need 100mg of iron‚ 250mg of magnesium and 120mg of iodine. Pregnant woman and lactating mother should include 400mg calcium and magnesium and 150mg magnesium. Woman in her pregnancy should consume 5mg zinc and 25mg iodine daily while breastfeeding mother should be provided with 10mg zinc and 50mg iodine. Comparing both cases‚ young children should eat more mineral containing
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might support this proposition‚ we must look at three different points of analysis. First‚ “ How zinc manufacturing around the nation may be affected due to this decision”‚ Second‚ “ What this means for the people of this country on an economical standpoint”‚ and Thirdly‚ “ What are the benefits of eliminating the penny in terms
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Evidence has shown that the development of autism occurs during the pregnancy phase (Schmidt‚ 2011); which leads this study to analyze the association between intake of iron‚ and zinc during pregnancy and preventing autism in the offspring. Specific Aims The proposed study will be focused on whether women who take iron and zinc supplements during the three trimesters of the pregnancy will reduce the risk of autism in their offspring. The goal of this study is to develop an association between vitamin
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balanced equation for it. Then using the A‚ B symbols‚ write a general equation for a single-displacement reaction. Here are the chemical formulas of the reactants for each reaction: • zinc – Zn copper sulfate – CuSO4 In well 1A there was a chemical reaction which turned the zinc black‚ while the copper sulfate was still blue. AX + B → A + BX Zn + CuSO4 → ZnSO4 +Cu • aluminum – Al copper sulfate – CuSO4 In well 2A there was no reaction
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INTRODUCTION: ELECTROLYSIS Process used: The key process of electrolysis is the interchange of atoms and ions by the removal or addition of electrons from the external circuit. The desired products of electrolysis are often in a different physical state from the electrolyte and can be removed by some physical processes. For example‚ in the electrolysis of brine to produce hydrogen and chlorine‚ the products are gaseous. These gaseous products bubble from the electrolyte and are collected 2 NaCl +
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Friedel-Crafts liquid phase alkylation reaction of aromatic compounds is an industrially important which is known since 1877 and also commonly practiced in organic chemistry for the synthesis of various pharmaceutical compounds [1]. Catalytic benzylation of aromatics with benzyl chloride is one of the commercially significant C-C bond synthetic reaction processes to produce benzylated aromatics such as diphenylmethane and substituted diphenylmethanes. These are key intermediates in the synthesis
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experiment‚ we were meant understand and explain what a reaction were to look like in real life and see patterns in reactions. We did reactions between Copper metal‚ Magnesium metal in fire for a synthesis reaction. Silver nitrate and Copper metal and Zinc metal and Hydrochloric acid for a single replacement reaction. Nitric acid and sodium hydroxide‚ nitric acid and sodium carbonate‚ and
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