(II) sulfate solution Fill a small test tube halfway with copper (II) sulfate solution. Add a 2.0 gram iron rod to the solution and observe the reaction. 2. Lead (II) nitrate and potassium iodide solutions Pour about 2.0 mL of lead (II) nitrate into the test tube. Add 5 to 10 drops of potassium iodide solution to the test tube and record your observations of the reaction. 3. Magnesium metal and hydrochloric acid solution Place one scoop of magnesium turnings into the test tube. Add hydrochloric
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TEXT BOOK OF BIOCHEMISTRY For 2nd year Medical Laboratory Technician Course (INTERMEDIATE VOCATIONAL) Author : S. Srinivasa Rao‚ B.Pharmacy‚ Jr. Lecturer in M.L.T.‚ Alluri Sri Rama Raju Govt. Junior College‚ Shanthi Nagar‚ Khammam. Editor : S. Kamalakar Rao‚ M. Pharmacy Senior Lecturer in Pharmacy‚ Department of Biotechnology‚ Govt. institute for post diploma courses in engineering and technology‚ Ramanthapur‚Hyderabad. INDEX Chapter I. Page No. Instrumental methods of Biochemical
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reaction? Give its one example. Q. 14. What is redox reactions? Give its two examples? Q. 15. Write the balanced chemical equation of the following and identify the type of reaction in each case: i. Potassium bromide(aq) = barium iodide(aq) -> potassium iodide(aq) = bariumbromide(s) ii. Zinc carbonate(s) -> zinc oxide(s) = carbon dioxide(g) iii. Magnesium(s) = hydrochloric acid(aq) -> magnesium chloride(aq) = hydrogen(g) Q. 16. Wrte an activity to shw the change in the state of matter
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equilibrium‚ it is impossible to tell whether the reaction has started with the reactants or the products. * For example‚ if you react equal amounts of Hydrogen and Iodine to form Hydrogen Iodide (left)‚ you will end up with the same amount of reactants and products if you had decomposed Hydrogen Iodide (right). Shifting the Position of equilibrium * The position of equilibrium can be altered by changing: * The temperature. * The concentration of reacting substances.
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Uses of Radiation in Medicine Nuclear Chemistry and the Field of Medicine: A Union Shan Gupta‚ Yahoo! Contributor Network Jul 2‚ 2009 "Contribute content like this. Start Here." Applications of Radiation in the Field of Medicine Overview: With the discovery of radiation in the late 1800’s by Antoine Henri Becquerel‚ Marie Curie‚ and Pierre Curie‚ the powers of the atom were seemingly multiplied greatly. With this new power of the atom also came new uses for it‚ especially in the
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SULIT 1 4541/1 Peraturan Permarkahan CHEMISTRY 4541 Kertas 1 Ogos 2011 BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH DAN SEKOLAH KECEMERLANGAN KEMENTERIAN PELAJARAN MALAYSIA PERATURAN PERMARKAHAN PEPERIKSAAN PERCUBAAN SIJIL PELAJARAN MALAYSIA 2011 CHEMISTRY TRIAL 2011 MARKING SCHEME PAPER 1 4541 /1 © Trial2011 Hak Cipta Sekolah Berasrama Penuh http://cikguadura.wordpress.com SULIT SULIT 2 SKEMA KERTAS 1 CHEMISTRY 4541/1 4541/1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
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Formal lab report: Chemical or Physical Change? Problem: The purpose of this lab is to discover which observations indicate that a ………………….chemical change has taken place. Materials: Part 1: Lead [II] nitrate; Potassium iodide; 2 Test tubes; Test tube rack Part 2: The materials are found on page 161 in the textbook Sciencepower 9 Part 3: The materials are found on page 161 in the textbook Sciencepower 9 Part 4: 100 mL Beaker; Hot plate; Beaker tongs; Wire gauze;
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nucleons‚ protons and electrons 11. Cations are positive (+) ions and form when a neutral atom loses electrons. They are smaller than their parent atom. Which of the following will form an ion with a smaller radius that that of its atom? Cl N Br Ba 12. Anions are negative ions and form when a neutral atom gains electrons. They are larger than their parent atom. Which electron configuration is correct for a fluoride ion? 2–7 2–8 2–8–1 2–6 13. Ernest Rutherford’s gold foil
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Unit 3 – Virtual Labs Letizia Schianodicola Lab #1 – Atomic Weight of Magnesium 1. Moles of hydrogen evolved‚ from chemical property dialog for beaker: a. 0.000411 mol H2 2. Calculate the atomic weight of Magnesium. Atomic weight of Mg = weight of Magnesium/moles of H2. b. 59‚136.253 g/mol Mg (24.305 - weight of Mg / 0.000411 mol H2) 3. Calculate the # of molecules of H2 that were produced in the reaction – use Avagadro’s number –
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Experimental techniques 2.1 Measurement 2.2 (a) Criteria of purity 2.2 (b) Methods of purification 3. Atoms‚ elements and compounds 4.1 Atomic structure and the Periodic Table 4.2 Bonding the structure of matter 3.2 (a) Ions and ionic bonds 3.2 (b) Molecules and covalent bonds 3.2 (c) Macromolecules 3.2 (d) Metallic bonding 3 Stoichiometry 4.3 The mole concept 4 Electricity and chemistry 5 Chemical energetics 6.4 Energetics of a reaction
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