In experiment 3.1.We set up and calibrate the spectronic 20 first since it takes time to be ready to use so‚ we turned the spectronic 20 to warm up for at least 15 minutes‚ set wavelength to 360 while no test tube in it. Also‚ we set the filter lever in order to match the wavelength range‚ and then set the transmittance to 0%‚ then we changed the mode to absorbance. After we labeled two test tubes which were #5 and #10‚ we inserted water first to set 0 absorbance‚ then we used #5 sample to read it
Premium Test method Spectroscopy Chemistry
THE ASPIRIN ESSAY Write an essay as fully as you can in your own words‚ the websites shown below contain the information that you need to complete the essay. The information shown below must be present in your essay The impact of an organisation on society is important; the candidates in-depth study needs to include how the candidates’ chosen organisation: contributes to the economy; manages its waste materials; uses ICT in data management; controls energy consumption; makes demands
Premium Pharmaceutical drug
2.2 Application of Cu2O nanopowder 2.2.1 Photocatalyst 2.2.2 Solar energy conversion 2.3 Powder formation 2.4 Gas phase 2.4.1 Inert Gas Condensation (IGC) or Gas Phase Condensation 2.4.2 Chemical Vapor Deposition 2.4.3 Laser ablation 2.4.4 Flame synthesis 2.5 Liquid phase 2.5.1 Solvent evaporation method 6 6 7 7 8 9 9 11 11 11 12 12 13 Page ii iii vii viii xii xiii 1 2 3 4 5 pdfMachine iii Is a pdf writer that produces quality PDF files with ease! Produce quality PDF files in seconds and preserve
Premium Chemical reaction Oxidizing agent Semiconductor
Synthesis of Cyclohexanol Author: Ahmed Ayyash 06/06/13 Introduction: In this experiment‚ cyclohexanol was prepared from an initial cyclohexene. However‚ this occurred over a number of steps‚ these are out lined below. 1. Cyclohexene + aqueous acid cyclohexyl cation 2. cyclohexyl cation + hydrogen sulphate + water protonated cyclohexanol + cyclohexyl hydrogen sulphate 3. cyclohexyl hydrogen sulphate protonated cyclohexanol + HSO4 4. protonated cyclohexanol + HSO4
Premium Distillation
Vidallon‚ Mark Louis P. Date Performed: February 20‚ 2012 CHEM44.1 2L Date Submitted: March 12‚ 2012 MIXED-ALDOL CONDENSATION Synthesis of Cinnamaldehyde I. Introduction Cinnamaldehyde‚ cinnamic aldehyde or 3-phenyl-2-propenal is the major constituent of cinnamon oil‚ extracted from several species of Cinnamomum (C. verum‚ C. burmanii‚ C. cassia)‚ under the family Lauraceae‚ a group of evergreen trees. Cinnamon bark (particularly C. verum) yields 0.4-0.8% oil‚ which contains 60-80% cinnamaldehyde
Premium Aldehyde Chemistry Chemical reaction
Alum Synthesis: The Chemical Process of Recycling Aluminum Introduction By recycling aluminum cans‚ the costs and energy savings are dramatically more resourceful and efficient than producing aluminum from what it is naturally found in‚ bauxite ore. The process of recycling aluminum to produce potassium aluminum sulfate‚ a common alum‚ will be done through a serious of chemical reactions. Through this reaction‚ percent yield will be determined. Materials and Methods The mass of a 250 mL
Premium Chemical reaction Chemistry Aluminium
Purity of Aspirin Objectives - To research‚ using various sources‚ the history of aspirin‚ its use in medicine‚ methods of synthesizing it and of measuring its purity - To compare the % purity of a branded aspirin tablet with a generic aspirin tablet - To compare 2 methods of composition analysis of the two types of aspirin Research
Premium Sodium hydroxide Hydrochloric acid Aspirin
Acetylsalicylic Acid (Aspirin) Synthesis Telow‚ AJV Sumicad‚ CJ‚ Tavanlar‚ EMMT‚ Chem 40.1‚ Institute of Chemistry‚ University of the Philippines Los Baños I. Introduction Organic synthesis is the process where a desired organic compound is constructed or prepared from commercially available materials. The objective of organic synthesis is to design the simplest synthetic routes to a molecule. Aspirin‚ also known as acetylsalicylic acid is as salicylate drug often used as analgesic
Free Aspirin Acetic acid Carboxylic acid
CHEMISTRY 101.1 Intermediate Chemistry Laboratory I Institute of Chemistry University of the Philippines‚ Diliman I. Synthesis of Salicylic Acid Purpose: Part I of the experiment illustrates the base hydrolysis of an ester‚ methyl salicylate‚ to form salicylic acid through nucleophilic acyl substitution. Procedure: Dissolve 12 g NaOH in 70 mL water in a 150 mL round bottom flask. Add 5.0 mL methyl salicylate and reflux the reaction mixture at its boiling point for 15 minutes using a stirrer
Premium Titration Acid dissociation constant PH
CHEM 163: SYNTHESIS AND ANALYSIS OF A COPPER(II) COORDINATION COMPOUND INTRODUCTION In this multi-week experiment‚ you will synthesize a compound and then analyze it to determine its empirical formula. The substance you will prepare is a vividly colored coordination compound of copper. Based on the reagents used in the synthesis procedure‚ you can assume that the final compound contains copper(II)‚ ammonia‚ sulfate‚ and water. In
Premium Chemistry Chemical reaction Chemical element