"Iodide and persulfate ions" Essays and Research Papers

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    Naming Chemical Compounds PART A Name the following 1 S Sulfur 2 Sb Antimony 3 N2 Dinitrogen 4 PO43- Phosphate 5 Au Gold 6 Rb Rubidium 7 LiCl Lithium Cloride 8 AlBr3 Aluminum (III) Bromide 9 KMnO4 Potassium Manganate (VII) 10 Cu(OH)2 Copper (II) Hydroxide 11 FeSO4 Iron (II) Sulfate 12 NH4Cl Ammonium Chloride 13 ZnCO3 Zinc Carbonate 14 SnF2 Tin (II)Fluoride 15 MgSO4 Magnesium Sulfate 16 MnO2 Manganese (IV) Oxide 17 Ca3(PO4)2 Tricalcium Phosphate 18 NaOH Sodium Hydroxide

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    positive electrode is called the anode and the negative electrode is called the cathode. d) For electrolysis to occur the electrolyte must be in liquid form so that the ions are free to move. e) In electrolysis the negative ions move towards the anode. When they get there they lose electrons to form neutral atoms. The positive ions move towards the cathode. When they get there they gain electrons to form neutral atoms Electrolysis is the process by which ionic substances are broken down into simpler

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    Redox Reaction Lab Report

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    decolorize when added to 0.1 M potassium permanganate. 5. Add drops of potassium permanganate to the solution that changed color in the previous step. Record how many drops were added until the purple color of the ion no longer changed. 6. Observe color changes when sodium iodide solution is reacted with chlorine water and bromine water (separately). 7. Observe color changes when sodium bromide solution is reacted with chlorine water and iodine solution (separately). 8. Observe

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    Isolation of Casein

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    Experiment 1: Isolation of Casein from Milk * pH of milk – 6.6 * milk = 87.1% water‚ 4.9 % CHO 3.9 %‚ fats‚ 0.7% minerals Experiment 2: Protein Hydrolysis and Characterization | Reagents | Principle | Test for | Positive Result | Negative Result | Biuret | CuSO4‚ NaOH | Complexation of Cu+2 with amide N atoms | Polypeptide bonds | Violet/purple solution | Blue color solution | Sakaguchi | 10% NaOH‚ 0.02% α-naphtol solution‚ 2% NaOBr | arginine condenses with α-naphtol and NaOH

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    wswss

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    Thermal Physics Why a Gas Exerts a Pressure Consider the molecules of a gas moving at random in a container‚ as shown below. The molecules are continually colliding with each other and with the walls of the container. (On the diagram‚ only a few paths of molecules have been drawn because...it’s a bit tedious drawing them!) It is assumed that all collisions are elastic. (Consider what would happen if the collisions were not elastic.) When a molecule collides with the wall‚ a change of

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    Molecular Biology Problem Solver: A Laboratory Guide. Edited by Alan S. Gerstein Copyright © 2001 by Wiley-Liss‚ Inc. ISBNs: 0-471-37972-7 (Paper); 0-471-22390-5 (Electronic) 12 Electrophoresis Martha L. Booz Chemical Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . What Is the Safest Approach to Working with Acrylamide? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . What Are the Symptoms of Acrylamide Poisoning? . . . . . . What

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    Chemical Bond

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    combinations of atoms held together by chemical bonds. These chemical bonds are of two basic types—ionic and covalent. Ionic bonds result when one or more electrons from one atom or group of atoms is transferred to another atom. Positive and negative ions are created through the transfer. In covalent compounds no electrons are transferred; instead electrons are shared by the bonded atoms. The physical properties of a substance‚ such as melting point‚ solubility‚ and conductivity‚ can be used to

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    ererer

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    Chapters 11 12 Periodic Table Name __________________ ( ) Class __________ Date _________ History of the Periodic Table Russian chemist Dmitri Ivanovich Mendeleev 1834-1907 Arranged elements in order of increasing atomic masses Elements with similar chemical properties fall into the same vertical column Such an arrangement is the Periodic Table The Periodic Table The Periodic Table is a list of elements arranged in order of ______________ _____________ (__________) ____________. Groups

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    Chapter 4 Study Questions

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    atoms. 3. What is a chemical bond? Discuss the differences between an ionic bond and a covalent bond. Any of several forces‚ especially the ionic bond‚ covalent bond‚ and metallic bond‚ by which atoms or ions are bound in a molecule or crystal. Ionic bonds are chemical bonds between two ions with opposite charges‚ characteristic of salts. Covalent bonds are chemical bond formed by the sharing of one or more electrons‚ especially pairs of electrons‚ between atoms. 4. What are valence electrons

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    Mixture & Compound

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    Gold is gold when it is heated. Gold is gold when it turns liquid. And gold is a single solid element. The ionic bonds have an attraction between opposite charged ions by one atom‚ a metal makes a contribution of an electron and becomes a optimistic ion‚ and when another‚ a nonmetal received an electron and becomes pessimistic ion. Metal donate electrons and non-metals receives electrons. For example is Na is positive and CL is negative. The covalent bonds share the electrons and they are normally

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