CH 220C ORGANIC CHEMISTRY LABORATORY Spring, 2015 Section Page 1. General Information 2 2. Safety Information 2 3. Attendance 3 Make-Up Policy 3 4. Laboratory Protocol 3 Assigned Reading 3 Pre-Lab Quizzes 3 Lab Notebook 5 Chemicals 5 Due Dates for Reports 5 5. Orientation 5 In-Lab Information
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1.1 organic compound a molecular compound of carbon, not including CO(g), CO2(g), and HCN(g) hydrocarbon a compound containing only carbon and hydrogen atoms saturated hydrocarbon a hydrocarbon with only single covalent bonds between its carbon atoms alkane a saturated hydrocarbon H H C H (a) H (b) Figure 2 Two representations of the methane molecule: (a) the structural formula and (b) the ball-and-stick model 8 Chapter 1 • Organic Compounds Alkanes Organic chemistry
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Typical Products and Uses of Titanium Due to Titanium’s amazing properties such as corrosion resistance, high strength-to-weight ratio, low density, high heat resistance, high fatigue resistance, high crack resistance and biocompatibility; it is widely used in various industries (Moiseyev, 2006). Titanium is often combined with other metals such as aluminum, vanadium, copper, iron, manganese and molybdenum to create alloys of improved grain size and hardness (Clifford, 1968). Titanium mill products:
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D. The electrons are found in the shells surrounding the nucleus 3. During the manufacture of ethanol, the ethanol is separated from the fermented mixture by A. Centrifugation B. Solvent extraction C. Fractional distillation D. Boiling 4. An element Y reacts with fluorine gas to form a solid of formula YF. The electronic configuration of Y could be A. 2:7 B. 2:8:8:1 C. 2:8:2 D. 2:8:3 5. Which of the
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------------------------------------------------- FIFTH SEMESTER BAS 311 | Methods of Food Analysis | 2 0 3 4 | | TheoryUNIT – I Introduction to Food Analysis: Rules & Regulations of Food Analysis, Safety in Laboratory. Sampling and sampling techniques, sample preparation for analysis. Basic principles of spectroscopy: UV-VIS molecular absorption spectrometry, atomic absorption & emission spectrometry, fluorescence spectrometry, Atomic mass spectrometry, IR spectrometry.UNIT
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Nitrogen makes up 78% of the earth’s atmosphere while oxygen makes up 22% of the rest. Nitrogen is obtained from a process called fractional distillation. “Nitrogen is a non-metallic gas”. Nitrogen has the atomic number 7 and is an element with the letter N to label the substance within the periodic table. Nitrogen is colorless, odourless, and tasteless. This substance is acknowledged
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Frequently Asked Questions (PAPER 6) 1) What is the purpose of ice or cold water? To cool down the gas so that it condenses and turns into a liquid. 2) when the gas collecting tube is upside down, give a property of this gas. It is less dense than air. 3) Why is a pencil used in drawing the origin line in chromatography? If pen was used, it will dissolve giving colors and so, the experiment won't be accurate. 4) When using ethanol, give a better apparatus arrangement, and why? Cover apparatus
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Synthesis of Acetanilide and Purification by Recrystallization Par, B., Ramos, S., Reynaldo, H., Roque, P., Servidad, Y., and Soriente, P. 2D-Pharmacy, Group No. 7, Department of Pharmacy, Faculty of Pharmacy, University of Santo Tomas, España Boulevard, 1015 Manila, Philippines Abstract Recrystallization is the primary method of purification used to isolate organic compounds in a supersaturated solution by the difference of solubility at different temperature that results to the
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Chemistry Revision Hazard Symbols States of Matter As heat is added to a solid the particles start to vibrate more and more vigorously. Eventually when it reaches its melting point the particles have enough energy to break their bonds and melt into a liquid. As it is cooled energy is taken away so the particles vibrate less and if a liquid or gas the bonds become stronger and so it freezes or condenses. In the case of a solid it becomes less flexible. Particles in a solid vibrate around
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Table of Contents 1. PAKISTAN STATE OIL (PSO) ..................................................................................................................3 1.1 Introduction .............................................................................................................................................3 1.2 History . .....................................................................................................................................................3 1.3 Their
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