Box-Jenkins Modeling and Forecasting of Monthly Electric Consumption of PANELCO III Customers ______________________________ A Special Problem Presented To The Panel of Evaluators Mathematics Department Pangasinan State University Urdaneta City _______________________________ In Partial Fulfillment of The Requirement for the Degree of Bachelor of Science in Mathematics Major in Statistics ______________________________ By: Jake Anthony E. CantubaMarch 2014 APPROVAL SHEET In partial
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Practice problems for CHE 101 final Approximate breakdown of points: Old Ch. 2: 10 Ch. 3: 15 Ch. 4: 15 Ch. 5: 15 Ch. 6: 15 Ch. 7: 15 Ch. 10: 15 New Ch. 8: 40 Ch. 9: 40 Ch. 11: 20 Final: May 3 at 11:45 am. Rooms posted on UBlearns Check your points entered on posted grade point totals. Keep all assignments. 1) For the following molecules‚ give the Lewis structures‚ the molecular geometry‚ hybridization‚ and whether the molecule is polar or nonpolar
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1 UNIVERSITY OF TECHNOLOGY‚ JAMAICA DIVISION OF CHEMISTRY GROUP: MODULE: AS-2‚ SE-3‚ MT-2‚ BPharm-3‚ BENG-2C ANALYTICAL CHEMISTRY (CHY3022‚ CHY2017) ___________________________________________________________________________ UNIT 1: Assigned Reading: BASIC ELEMENTS OF ANALYTICAL CHEMISTRY Chapt. 1 and 8 Fundamentals of Analytical Chemistry‚ 8th edition INTRODUCTION Analytical Chemistry – that branch of chemistry which is concerned with the theory and practice of methods used to determine
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highlighted column.( by Bronwyn J. Nelson‚ Fairfield High School‚ Fairfield‚ Ohio.) 1. More outer electrons: Phosphorus or silicon? 2. Liquid at room temperature: cobalt or mercury? 3. Produces a yellow flame test: barium or sodium? 4. Can be cut with a knife: dysprosium or chromium? 5. Part of the lanthanide series: cerium or thorium? 6. Larger atoms: carbon or fluorine? 7. Very high ionization energy: krypton or potassium? 8. Configuration ending in s1: strontium
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Anhydrous copper sulfate (CuSO4) is white‚ which means that it does not absorb light in the visible region of the spectrum. The hydrated copper sulfate (CuSO4 - 5H2O) is blue. The structure of the compound can be represented more accurately as Cu(H2O)4 SO4 - H2O where four water molecules are bound to the copper ion and the fifth is a water of crystallization. The water molecules are arranged at the corners of a square‚ with the copper at the center. Such an arrangement is called square coplanar.
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Topic 5 – Bonding and Structure Revision Notes 1) Introduction • Atoms form bonds to get a full outer shell of electrons • There are three types of bonding: ionic‚ covalent and metallic • The structures produced by forming bonds are either giant or simple • The possible combinations of structure and bonding are giant ionic‚ simple covalent‚ giant covalent and giant metallic • Simple covalent is sometimes called simple molecular • Giant covalent is sometimes called giant
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1. Alka-Seltzer 2. Glass 3. Water 4. Timer Procedure: 1. First you need to fill a glass up with 8oz of water and have it be 25 degrees Celsius. 2. Then you drop the Alka-Seltzer in the water and time how long it takes it to dissolve in the water. 3. Then we need to make the temperature go up then we need to drop the Alka-Seltzer in the water again and see how long it takes it to dissolve with the new temperature. 4. Now we need 16oz of water at 25 degrees Celsius
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Raw Data: Table 1.1: Raw Data Table Temperature (°C) ±0.5 Initial Mass (grams) ±0.001 Final Mass (grams) ±0.001 Initial Volume (cm³) ±0.5 Final Volume (cm³) ±0.5 Pressure (hPa) ±0.5 24.0 0.000 0.072 0.1 60.4 1008.0 24.0 0.000 0.060 0.1 55.9 1008.0 24.0 0.000 0.053 0.1 54.9 1008.0 24.0 0.000 0.044 0.1 45.4 1008.0 24.0 0.000 0.032 0.1 34.3 1008.0 24.0 0.000 0.025 0.1 23.3 1008.0 Table 1.2: Qualitative Data: Before During After Magnesium
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Experiment 1 : Redox Titration Using Sodium Thiosulphate Abstract This experiment is to determine the concentration of oxidizing solution using the iodine/ thiosulphate titration where the reducing solution is potassium iodate solution and the oxidizing solution is sodium thiosulphate solution. Potassium iodate solution which is an oxidizing agent is added into an excess solution of acidified potassium iodide. This reaction will release iodine. Potassium iodide is acidified with sulphuric acid
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FORM 4G ELECTROLYSIS WORKSHEET TERM 3 2010-2011 1.Figure 1 below is a diagram of the apparatus used in the electrolysis of fused sodium bromide. Figure 1 a)Write the formulae for the ions present in the fused sodium bromide. b)Write an ionic equation to represent the reaction taking place at the positive and negative electrodes. c)When the heat source was removed‚ the crucible cooled and the lamp went out. Explain why the lamp went out when the crucible cooled. d)At the end of the experiment
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