Separation of a Mixture: Unknown # 12-Green Chemistry 221 with Professor Thomas Quale May 2012 Formal Lab Report Abstract An unknown sample‚ # 12-Green‚ was separated into its individual variable components‚ iron‚ ammonium chloride‚ silicon dioxide‚ and sodium chloride. The techniques used to separate the components of unknown # 12-Green‚ magnetism‚ sublimation‚ extraction‚ and filtration‚ were chosen based on the unique properties of each component. Using these separation techniques‚ each substance
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Liquids & Solids Pre Lab Questions: 3pts 1. What are the learning goals of this lab? The learning goal of this experiment is to view and experience the melting point and boiling point of different substances. 2. Why is acetamide not allowed in contact with your skin? What precautions does one have to take to work with this chemical? Acetamide is a carcinogen‚ which can cause cancer. Therefore‚ it should not be allowed to come in contact with a person’s skin. Any person working with this chemical
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I. Experiment 3: SEPARATION TECHNIQUES II. Objectives: * To learn different methods and techniques of separating components of mixtures * To appreciate the importance of such separation techniques * To apply different methods and techniques in separating components of mixtures III. Results and Observations Separation of components with different solubilities * AMMONIUM CHLORIDE‚ SODIUM CHLORIDE‚ SAND the wt. of mixture with evaporating dish after 1st heating is?? g. And after
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Purpose: In this lab‚ a mixture of naphthalene (C10H8)‚ common table salt (NaCl)‚ and sea sand (SiO2) will be separated using the separation techniques in order to demonstrate the properties of mixtures and their ability to be separated by physical means. INTRODUCTION: This lab was based on the separation of the components of a mixture. A mixture can be defined as a physical combination of two or more pure substances. Separation techniques are used to separate components that are not chemically
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COMPREHENSIVE EXAMINATION NAME: Jennie Deth R. Sarabia SECTION: BSESE-1A PART I. DEFINITIONS AND CONCEPTS _____ 1. The figure formed by a chord and the arc subtending the chord is a _______ a) Sector b) Segment c) Semicircle d) Triangle _____ 2. The line that intersects the circle at two distinct points is called _____ a) Tangent b) Segment c) Secant d) Ray _____ 3. The angle whose vertex lies on the circle and whose sides are two chords is said to be ____ a) Central b) Circumscribed c) Dihedral
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Mixtures and Solutions can often become confusing because solutions are mixtures‚ but not all mixtures are solutions. A mixture can either be homogeneous or heterogeneous. A homogeneous mixture is where the mixture’s components are distributed uniformly within the mixture. A heterogeneous mixture is where the components are not uniform. Mixtures can either be miscible or immiscible‚ the difference being whether or not the mixture forms a homogeneous mixture or not. In a solution a solute is soluble
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organic compound and separation of mixtures. The Techniques Students are REQUIRED to read and understand the various techniques that will be covered in the laboratory sessions from the textbook. | Techniques | Page | 1 | Laboratory Safety | 6 | 2 | Laboratory Glassware | 31 | 3 | Measurement of Volume and Weight | 39 | 4 | Heating and Cooling Methods | 58 | 5 | Reaction methods (eg: distillation‚ reflux) | 68 | 6 | Filtration | 90 | 7 | Physical Constants of Solids: The Melting Point
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licenses grant any usage rights over these terms. Use of “The Orphan Chronicles” is allowed with restrictions; for more information‚ see theonosis.com. 1 Solitudes and Silence Volume 1 of The Orphan Chronicles by Conrad Baines Talbot 2 This book is dedicated to my parents for all of their support 3 Chapter 1 Peace and Pall His first soul was a woman who worked in the monastery where he lived and trained. Waimbrill guessed it was time for his initiation when he was
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Laboratory 2 DRYING OF SOLIDS (Vacuum Tray Dryer) A Final Report Submitted to Engr. Luis K. Cabatingan Instructor‚ ChE 512L By Madeja‚ Rayam John D. July 31‚ 2012 1. Introduction Drying generally means the removal of relatively small amounts of liquid from materials. It is also defined as the transfer of liquid from a wet solid into an unsaturated gas phase. The goal of most drying operations is not only to separate a volatile liquid‚ but also to produce a dry solid of a desirable
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Title: Physical and Chemical Properties Purpose: The purpose of this experiment is to investigate the physical and chemical properties of pure chemical substances by subjecting them to various environmental extremes. Procedure: Filled each test tube with substances provided and subjected them to various conditions. These conditions included‚ heat‚ cold water‚ hot water‚ acid and basic additions and tested on litmus paper. The reactions were observed and documented at each step. Data tables:
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