Alic Albright‚ Josh Coleman‚ Dan Boden‚ Zach Babin Purpose: The pupose of this lab was to make an experimental determination of a molar volume through reaction of the substance shown: Mg(s) + 2HCl(aq) > MgCl(aq) + H(g) Introduction: In this lab‚ a magnesium ribbon and HCl are combined in a gas measuring tube. When they are combined they form magnesium chloride and Hydrogen gas. The molar ratio between Mg reacted and H2 produced a 1:1. Thus the number of
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Lab of Determining an Empirical Formula B2 Honors 12/18/13 Abstract In this lab‚ to help better understand the concepts of gram atomic masses and empirical formulas‚ we found the gram atomic masses and empirical formula of a binary compound. The two compounds should form a definite whole number ratio by mass. This ratio will also help determine the subscripts of the elements in the empirical formula. Errors in this experiment can stem from measuring wrong or doing equations incorrectly.
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able to help. Lectures: CHEM 110‚ Section 1 Monday‚ Wednesday and Friday 10.35 to 11.25‚ Leacock 132 CHEM 110‚ Section 2 Tuesday‚ Thursday 11:35-12.55‚ Frank Dawson Adams (FDA) auditorium Important: You can attend any of the sections without making any change to your registration. All the sections are on a joint class list and all write the same exams at the same time. Textbook: Required: General Chemistry Principles & Modern Applications Petrucci‚ Herring‚ Madura and Bissonette‚ Pearson/Prentice
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DETERMINATION OF THE CHEMICAL FORMULA FOR A HYDRATE USING MOLE RATIO OF WATER MASS AND MAGNESIUM SULPHATE INTRODUCTION Ionic (salt) compounds are able to hold loose bonds with water molecules. A hydrate is a compound that incorporates water molecules into its crystalline lattice structure (McGraw-Hill Ryerson‚ 2014). Identifying a compound as hydrated or anhydrous is important as the mass of the compound increases if it contains water molecules. In nature‚ hydrates exist with a fixed ratio
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Since World War II‚ Gunsmiths have; repaired‚ engraved and customized the amazing world -wide known Colt Model 1911 .45 semi-automatic pistol. Gunsmiths have been able to produce very precise 1911 pistols for Bullseye competitions. This is an art of delivering a pistol with superior performance through a ton of attention to detail. As a future Gunsmith‚ I know that even the least significant detail matters. This level of precision requires using superior components‚ as accuracy is the critical component
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Wine-making is essentially a chemical process. It involves a chemical reaction in which sugars are turned to alcohol and carbon dioxide in the presence of yeast. There are also many other chemical processes going on which affect the strength‚ appearance‚ colour and taste of the wine. Grape Ingredients Wine is made from grapes. In addition to water‚ grapes contain two different sugars: glucose and fructose‚ tartaric acid‚ malic acid‚ amino acids and a few other chemicals. The chemical processes of
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------------------------------------------------- Making paracetamol This is one of the practicals that is available at The Salters Chemistry Club for students. It has been reworked for general use here on TecHKnow Wiki Technician requirment for practical * 4-aminophenol * Clean appropriate size glassware * Access to Magnetic stirrer(s) * Buchner funnel and conical flash (filtering under vaccum) * Ice * Hotplate/bunsen burner * Oven (set at 45OC) Risk Assessment 4-aminophenol
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Pre Lab 1a. Hydrated compound: ionic compound which contain water molecules inside their crystal lattice. The water is not chemically bonded to the crystal in any way and can be extracted by heating the compound. 1b. Anhydrous compound: a compound without water. 2a. The dot means that there are water molecules present in the crystal lattice in a specific ratio. 2b. For every mole of copper sulfate‚ there are five moles of water. 2c. The molar mass of copper (II) sulfate is 159.61 grams/mol
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follow leaders you might be doing so blindly which is a bad thing. The novel Divergent by Veronica Roth is about a girl named Tris who found she was divergent and has to hide it from everyone else. The novel The Compound by S.A. Bodeen is about a boy named Eli who had to evacuate to a compound during a nuclear war and has been there ever since. Both of these stories use dystopian control and mood to suggest the theme that we should not just follow leaders blindly without knowing what is actually going
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Making it in America In the article Making it in America Adam Davidson takes time to interview different employees at Standard Motor Products to determine how it is treating them and how factories are changing in time. Adam is receiving a tour of the plant by manager Tony Scalzitti where he sees many factory workers in blue lab coats‚ hair nets‚ and protective eyewear. This is where Adam first runs into Madelyn Parlier. Madelyn Parlier was a 22-year-old woman working in
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