"Cations and anions" Essays and Research Papers

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    Ph Indicator Lab Report

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    indicators are Litmus (Comes from a plant species called a lichen)‚ Phenolphthalein‚ Thymol blue‚ Bromocresol green and Universal indicator. All these indicators have a certain turning point in color once a certain concentration equilibrium of Hydrogen cations in reached (H +) or a certain concentration equilibrium of H3O+(Also OH - using Arrhenius theory) is reached. These indicators acids and conjugate bases have different colors‚ that change dependent on where the equilibrium is found between an equations

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    Chemical Reaction Essay

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    Describe the difference between a mixture and a compound. A compound is a substance in which atoms of different elements are chemically held to one another. A mixture is a substance made by combining two or more different materials in such a way that no chemical reaction occurs. A mixture can usually be separated back into its original components‚ a compound cannot. Below are some examples of the differences between each. Compounds •Compounds are pure substances. •They are made up of two or more

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    investigation. First‚ ion-exchange chromatography was used. This method separates ions and polar molecules based on their affinity to the ion exchanger [2]. Specifically‚ cation-exchange chromatography was performed‚ a technique that uses a negatively charged ion exchange resin with an affinity for molecules with a net positive charge. Anion-exchange chromatography relies on the same principal‚ but with a positively charged ion exchange resin with an affinity

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    The main objective of this experiment is to carry out qualitative analysis to identify metal cations in unknown solution 1. INTRODUCTION An unknown material can be determined by using simple chemical tests and separations which is called as inorganic qualitative analysis. The separation of cations depends on the difference in their propensity to form precipitates. Separation scheme is used to classify cation into five groups on the basis of their physical and chemical behavior opposed to some reagents

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    Induatrial Training Report

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    [pic] MADRAS FERTILIZERS LIMITED DURATION OF TRAINING: 2 WEEKS (7.12.09 – 18.12.09) NAME OF THE GUIDE: Mr. P.GNANASAMBADHAM (Deputy Manager‚ Process Engg Dept). [pic] SUBMITTED BY‚ BALAJI.N (10708011)‚ 2nd YEAR‚ B.Tech CHEMICAL ENGG‚ DEPT OF CHEMICAL ENGINEERING‚ SRM UNIVERSITY. ACKNOWLEDGEMENT: I sincerely thank my HOD Dr. R.Karthikeyan for encouraging me to under go an IN-PLANT TRAINING. I also thank the other staffs of the department

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    Chemistry Acid and Base

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    Aqueous Acid/Base Chemistry Resources: Harris ‘Quantitative Chemical Analysis’ Review: Pure water has a pH = 7 Autodissociation: H2O (( H3O+ + OH- K = [H3O+][OH-]/[H2O] -log[H3O+] = 7 [H3O+] = 10-7 M = [OH-] [H2O] = 55.56 M K = 1.8 x 10-16 ; pKa = 15.74 pKa is the acid dissociation constant; low pKa (strong acid‚ high pKa (weak acid we can also write Kw = [H3O+][OH-] Kw = 10-14 In water‚ pH + pOH = 14 pH scale Strong

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    LAB1

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    a. 2HG + O2 = 2HgO _______synthesis_______ b. Fe2+ + CuSO4 = FeSO4 + Cu2+_______exchange reaction______ c. HNO3= H++ NO3- ________decomposition________ 9. Explain the basis of Ionic bonding. Give an example. They are made up of cations and anions. 10. Explain the basis of Covalent bonding. Give an Example A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. The stable balance of attractive and repulsive forces between atoms when they share

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    Chemistry Year 12

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    Core Module 1: The Chemical Earth Contextual Outline The Earth includes a clearly identifiable biosphere‚ lithosphere‚ hydrosphere and atmosphere. All of these are mixtures of thousands of substances and the use of this pool of resources requires the separation of useful substances. The processes of separation will be determined by the physical and chemical properties of the substances. In order to use the Earth’s resources effectively and efficiently‚ it is necessary to understand the properties

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    functional. Chemical energy is stored in the battery and when required the converted energy is released. A battery is made up of one or more electrochemical cells‚ each of which consists of two half-cells. In the redox reaction that powers the battery cations are reduced (electrons

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    Chromatography relies on charge-charge interactions between the proteins in your sample and the charges immobilized on the resin of your choice. Ion exchange chromatography can be subdivided into cation exchange chromatography‚ in which positively charged ions bind to a negatively charged resin; and anion exchange chromatography‚ in which the binding ions are negative‚ and the immobilized functional group is positive. Once the solutes are bound‚ the column is washed to equilibrate it in your starting

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