PHYSICAL PROPERTIES OF THE PERIOD 3 OXIDES These pages explain the relationship between the physical properties of the oxides of Period 3 elements (sodium to chlorine) and their structures. Argon is obviously omitted because it doesn’t form an oxide. A quick summary of the trends The oxides The oxides we’ll be looking at are: |Na2O |MgO |Al2O3 |SiO2 |P4O10 |SO3 |Cl2O7 | | | | | |P4O6 |SO2 |Cl2O
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Identification of a Copper Compound by Percent Mass Unknown Compound: #9 Abstract: The objective of this experiment was to identify the unknown pure copper salt compound of #9. To do this‚ the mass of copper in the unknown was calculated and then divided by the mass of the whole compound to get the percent copper. The molecular weight was also calculated by dividing mass of copper compound used by moles of compound in unknown sample. The percent copper averaged out to 31.6% while the molecular
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SUPPLEMENTARY MATERIAL (#2000-0709) SOAP FROM NUTMEG: AN INTEGRATED INTRODUCTORY ORGANIC CHEMISTRY LABORATORY EXPERIMENT Marcio C.S. de Mattos and David E. Nicodem Departamento de Química Orgânica‚ Instituto de Química‚ Universidade Federal do Rio de Janeiro‚ Caixa Postal 68545 21945-970‚ Rio de Janeiro‚ Brazil 1) Written material used by students 2) Instructor notes 3) Chemical abstract registry number of chemicals 1) Written material used by students Soaps
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ORGANIC MACROMOLECULES 1. What is a polymer? 2. Man-made polymers have been studied since 1832. Today‚ the polymer industry has grown to be larger than the aluminum‚ copper and steel industries combined. Polymers already have a range of applications that far exceeds that of any other class of material available to man. Give examples where polymers are applied in each of these categories: a) Agriculture b) Medicine c) Consumer Science
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Perez Professor A. Madsen English VO1 A 6 November‚ 2012 Is Organic Food Worth the Extra Cost? With technology reigning‚ it’s no wonder that in today’s world‚ food is being processed more quickly and efficiently to feed millions of mouths a day; however‚ there are also a handful of people who decide not to eat processed foods which is why in recent years‚ organic foods have begun to rise in popularity. Most people purchase organic foods because they believe it is healthier for them and that it
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Properties of Substances- Gr.12 Chemistry Final Lab Report Lab: Properties of Substances M. Nguyen SCH4U April 27‚ 2012 Abstract The purpose of this experiment was to use a variety of tests to identity the type of bonds which are present in each solid. Various substances (paraffin wax‚ sucrose‚ sodium chloride‚ tin‚ and silicon dioxide) were experimented and identified with tests for hardness‚ solubility‚ conductivity‚ and the time for the solid to melt with a candle and Bunsen burner
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Organic Chemistry Laboratory Report. Experiment 1: Crystallization. Objectives: 1. To study the crystallization process. 2. To identify the best suitable solvent to use for the crystallization process. 3. Gain an experience in purifying an organic compound by the techniques of the crystallization. Introduction. Crystallization is a technique which chemists use to purify solid compounds. It is one of the fundamental procedures each chemist
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Experiment : 1 Tittle : Preparation of bis(acetylacetonato)copper(II) complex Objective : To synthesis the bis(acetylacetonato)copper(II) complex Introduction : A complex ion is usually form with high charge density metal ion as a central and formation of coordinate covalent bond (dative bond) with high electron molecules or ions. These molecules or ions are functioning as ligands (electrophile in organic compounds). They are easily attracted by electrophile (electron deficiency
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a place where Ψ2 is negative. Ans: C Topic: Atomic Orbitals‚ Molecular Orbitals 2. When the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule‚ how many molecular orbitals are formed? A) 1 B) 2 C) 3 D) 4 E) 5 Ans: B Topic: Atomic Orbitals 3. Which principle(s) or rule must be used to determine the correct electronic configuration for carbon in its ground state? A) Aufbau Principle B) Hund’s Rule C) Pauli Exclusion Principle D) (A) and (B) only E) All three
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the benefit of climbing beans. And they are easy to harvest! The Organic Farmer A large section of the Kenyan population is unable to afford high protein food with adequate proteins‚ such as meat and eggs. This is where beans play a very important part; they are a cheap source of proteins. Unfortunately‚ the production of beans in most parts of the country is declining. The problem is the lack of good seeds . A survey by The Organic Farmer at the beginning of March this year indicated that most of
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