| | Kinetics Author: Katie Wood Instructor: Donald Kavanagh Chem 106b‚ Section 001 Lab Performed 8th‚ 2012 Lab Report Submitted February 22nd‚ 2012 Abstract The purpose of the lab was to determine the order of reaction for the dye Red #40. By measuring the reaction rate between bleach and the dye‚ the order of the reaction was determined to be first order. Introduction The study of kinetics is important for studying the amount of time it takes for a particular reaction to reach
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xam 2 [pic] Summer 2011 Chemistry 1411 EXAM # 2 Activity Series of Metals in Aqueous Solution [pic] CHEM 1411 Exam # 2A Name:________________________________ (Chapters 4‚5‚6‚ and 7) Score: [pic] Part I- ( 3 points each) - Please write your correct answer next to each question number‚ DO NOT CIRCLE. ____ 1. Compare the rates of effusion of CO2 & SO2‚ rCO2/rSO2 A. CO2 will effuse 1.45 times
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________ Name: Loren B. Matulac Date : November 09‚ 2013 Yr. & Section: IV- Perseverance Teacher: Mrs. Pacita J. Yapsangco “Magnetic Field of a Coil” Experiment 2.5 I. Objectives: To produce a strong magnetic field just by looping the wire into coils II. Materials: 6 V or 9 V batteries 50 cm of bare 12- gauge copper wire Stiff cardboard and scissors Wooden dowel (about 15 cm long x 4 cm
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Objectives: 1. To identify the relative densities of some common liquids and solids. 2. To determine the densities of water‚ an unknown liquid‚ a rubber stopper‚ and an unknown rectangular solid. 3. To determine the thickness of a piece of aluminum foil using the density concept. 4. To practice proficiency in performing the following experimental procedures: pippeting a liquid‚ weighing by difference‚ and determining a volume by displacement. Apparatus: Tall glass cylinder‚ glass marble‚ rubber
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CHEM 135 Take Home Exam Sp 2014 Type in the blocks and the chart will expand as needed. Good luck. Return by 5 p.m. Saturday‚ April 26‚ 2014. Thank you. Ms. Vallee 1. A. Chiral- An object that cannot lay over on its mirror image (pg291). B. Non-superimposable- A molecule that can be placed on top of its mirror image (http://www.chemeddl.org) C. enantiomer- mirror images of each other (pg292). 16. Trans Fats (http://www.heart.org/HEARTORG/GettingHealthy/FatsAndOils/Fats101/Trans-Fats_UCM_301120_Article
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Experiment no. 2 Classification of Matter Morillo‚ Mary Jane J. Nidua‚ Maria Angelene Group no. 2/Chemistry Lab./Engr. Ma. Jeanette U. Obias Abstract The classification of matter was demonstrated through simple activities of mixture‚ heating and magnetic attraction describing its physical state ‚ its chemical reactions and its separation to other substances. Simple reagents such as Iron filings and Sulfur powder in our experiment were considered as elements‚ while solid mixtures such
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Chemistry 111 – Lab #2 Formula and Composition of a hydrate Purpose of the Experiment: The purpose of this experiment is to provide an opportunity to practice proper heating and cooling techniques and to calculate the formula of a known anhydrous compound and to calculate the percent of water in an unknown hydrate from results. Materials and Methods: Materials used for this experiment included 3 crucibles (with lids)‚ clay triangle‚ ring‚ burner‚ CaSO4.2H2O and one unknown hydrate
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mass of 14.934g‚ and then dividing this number by the number of slugs included‚ which in this case was five. The average mass found was 2.9868g. Procedure This experiment was done using a total of six copper slugs of various weights (one in the first series of experiments‚ and 5 different copper slugs in the average mass experiment)‚ 2 unknown weights‚ a 100ml beaker‚ two centigram
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Lecture # 1 Organic Chemistry- 1. It is a science that deals with the study of Carbon compounds but not all compounds containing under organic compounds. Non-Organic Compounds a. CO- Carbon monoxide b. CO2- Carbon dioxide c. CO3- Carbonates d. HCO3- Hydrogen carbonates e. CN- -Cyanides 2. There are over millions of compounds and inorganic is approximately 100‚000. 3. A science that deals with matter obtained from natural or living sources. 4. Study of Carbon Compounds
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General Chemistry I CHEM XXI Project Report Worksheet (4 pages max.) Experiment title: How Do We Identify an Unknown Substance? Guiding questions: State the question or questions that that you were trying to answer in this lab. How do you determine the two unknown types of plastic? What are the two unknown plastics? Safety considerations: Briefly describe the safety measures you had to take to perform the experiments. Before entering the lab‚ I put on my
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