5 Uncertainty in Measurement Precision and Accuracy Significant Figures Significant Figures in Calculations 1.6 Dimensional Analysis Using Two or More Conversion Factors Conversions Involving Volume Chapter 2: Molecules and Ions 2.1 The Atomic Theory of Matter 2.2 The Discovery of Atomic Structure Cathode Rays and Electrons Radioactivity The Nuclear Atom 2.3 The Modern View of Atomic Structure Atomic Numbers‚ Mass Numbers‚ and Isotopes
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University of Santo Tomas Faculty of Pharmacy Organic Chemistry Laboratory APPLICATION OF DIFFERENT KINDS OF TEST TO CLASSIFY HYROXY- AND CARBONYL-CONTAINING COMPOUNDS Jane Catherine SP. Villanueva‚ Edenn Claudine C. Villaraza‚ Lorenz Oliver C. Villegas and Cristel Bernice T. Wee Group 10 2G-Medical Technology Organic Chemistry Laboratory ABSTRACT Hydroxyl group refers to a functional group containing OH- when it is a substituent in an organic compound. It is also known as the characteristic
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Self-assessment practice tests Test 1 – Material from Chapters 2–4 | 45 minutes 1 The kinetic theory suggests different arrangements for the atoms or molecules in the three states of matter. The diagrams below show how evidence suggests the particles are arranged in the three states of matter. 1 2 3 What are the three states shown? 1 A B C D 2 gas liquid solid liquid 2 liquid gas liquid solid 3 solid solid gas gas The graph shows the heating curve for a metal that is solid at room temperature (25
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an organic layer of n-butyl bromide and water and an aqueous layer of water and a little amount of alcohol‚ which was discarded. The organic layer was then dried by extracting it with sodium bicarbonate; this is an extra step for drying the alkyl halide. The resulting organic layer contained the crude n-butyl bromide‚ and the drying procedure was completed by adding anhydrous calcium chloride until the solution turned clear. The drying agent was used to absorb any excess water and thus‚ resulted
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The Periodic Table is a chart which arranges the chemical elements in a useful‚ logical manner. Elements are listed in order of increasing atomic number‚ lined up so that elements which exhibit similar properties are arranged in the same row or column as each other. Elements are also arranged in different families and periods based on similar characteristics. Also the grouping of elements into into subcategories Metals‚ Nonmetals‚ and Metalloids. The Periodic Table is one of the most useful tools
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Spectroscopy (general principle‚ Beer’s Law‚ instrumentation‚ qualitative and quantitative applications). b. Analytical separations (7 hours) General principles‚ calculations and applications of preliminary separation methods such as solvent extractions‚ ion-exchange‚ complex formation‚ precipitation‚ electrodeposition‚ solid phase extraction. c. Instrumental methods of analysis: Principles and theories‚ basic components‚ applications‚
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IGSCE Chemistry Notes Oxides Oxides are used to determine whether an element is a metal or a non-metal. Most non-metals are classed as acidic oxides. While most metals are classed as basicoxides. Acidic Oxides * Reacts with water to form acids * Neutralises alkaline solution to form salt + water Basic Oxides * Neutralises acidic solutions to form salt + water Amphoeteric Oxides * These are non-metals which display both acidic and basic properties Alkaline Oxides * Reacts
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SEP values to find values for different cells; • know how SEP values affect reducing and oxiding powers. Examination questions and techniques on SEPs and cells are covered separately in Factsheet 41. When a metal is placed into a solution of its own ions an equilibrium is set up. Cu Zn Zn2+(aq) Zn2+(aq) + 2e Zn(s) Cu2+(aq) Cu2+(aq) + 2e− Cu (s) You will recognise the half equations – the diagrams show the half cells. NB: In this work‚ half equations are always shown with electrons on the left
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Experimental Chemistry In this topic‚ you will learn: www.revision-notes.co.cc Hazard Warning Labels www.revision-notes.co.cc Measurement: Mass‚ Volume‚ Time and Temperature www.revision-notes.co.cc www.revision-notes.co.cc Collection of Gases www.revision-notes.co.cc Identification of Gases www.revision-notes.co.cc The Particulate Nature of Matter In this topic‚ you will learn: www.revision-notes.co.cc States of Matter Kinetic Theory www.revision-notes
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mainly because of their high strength-to-weight ratio)‚ packaging‚ water treatment‚ street lighting etc. Aluminium is the most abundant metallic element in the lithosphere‚ thought to be 7.5 to 8.1%‚ it is rare to find it isolated. Due to its high reactivity it forms a high-energy bond with oxygen‚ thus making it difficult to extract. Therefore it has to be refined form alumina‚ using the Hall-Heroult process (below). Alumina is produced by the Bayer Process from bauxite and used in the production of
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