Separate Pasts takes place during the 1950’s in Melton A. McLaurin’s small hometown‚ Wade‚ North Carolina. It is a detailed story of his boyhood in the rural South‚ which was a time when racism was a daily norm. McLaurin argues that racism existed unchallenged in the rural South. I found that this argument is valid due to the personal experiences that he had to face while growing up in the rural South‚ which he describes in great detail. McLaurin grew up with the knowledge that whites were treated
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The Titration of a Basic Solution of Unknown Molarity with a Standard Hydrochloric Acid Solution Abstract The aim of the experiment was how to determine the molarity of a solution. My hypothesis was if I have to determine the molarity of a NaOH solution‚ then I would have to use a standard solution of HCl solution because I would need to neutralize each other to determine the concentration of the solution of NaOH. The method that I used for this experiment was titration. Titration helped
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contains four sections‚ SECTION A to SECTION D. Instructions: Answer all questions in SECTION A - SECTION D. Make sure that the section heading is included and your answers are correctly numbered. The assignment must have a completed cover sheet. It must be placed in the drop-box on or before the deadline. st SECTION A ELECTRONIC STRUCTURE & IONIZATION ENERGY 1. 2. Write the electronic structure in s‚p‚d notation of the following: O‚ Na‚ Na+‚ Al‚ Cl- and Co
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Chemical Education Today Especially for High School Teachers by Erica K. Jacobsen Chemistry in My Kitchen The Jacobsen kitchen is an unusual place. The atmosphere is often more “mad scientist” than “gourmet chef ”. Testing JCE Classroom Activity procedures at home brings an eclectic collection of materials to our counters. Our toaster competes for space with a collection of funnels made from 2-liter plastic beverage bottles and rubber stoppers (1). Baking soda from my shelf joins citric acid
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hydrochloric acid - paper (5 cm x 10 cm) - silver nitarate - birthday candle - sulfur - matches Procedure: 1. Place a small amount of wax from a birthday candle into a test tube. Heat gently over a burner flame until the wax melts completely; then allow the sample to cool. Next‚ light the candle‚ secure it to a glass square‚ and allow it to burn until it extinguishes itself. Proceed with rest of the experiment while the candle burns. 2. Tear a piece of paper (about 5 cm x 10 cm)
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CGA-CANADA PERSONAL & CORPORATE TAXATION [TX1] EXAMINATION March 2012 Time: 3 Hours Notes: 1. 2. 3. This examination is based on the Canadian Income Tax Act with Regulations (CCH 92nd Edition). Round all calculations to the nearest dollar‚ except price per share. The following items‚ applicable to the 2011 taxation year‚ are provided for reference: Federal Income Tax Rates — 2011 2011 Taxable Income Up to $41‚544 $41‚545 – $83‚088 $83‚089 – $128‚800 $128‚801 and over Personal Tax Credits 1. 2.
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TITLE: THE EFFECT OF HEATING DIFFERENT SUBSTANCES INTRODUCTION: In this exercise‚ it was required to observe carefully what happened when certain substances were heated in a burner‚ and to note the appearance of the residue after heating. AIM: To observe the effects of heating different substances. MATERIALS: Hard glass test tubes Powered samples of Lead (II) nitrate Copper (II) sulphate Ammonium chloride Zinc sulphate Basic copper (II) carbonate‚ CuCO3. Cu(OH)2
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9.3 – The Acidic Environment: Δ. Construct word and balanced formulae equations of all chemical reactions as they are encountered in this module: NOTE: In chemistry‚ [x] means “concentration of x” in moles per litre (mol/L). EG: [H3O+] means “concentration of H3O+ ions” in mol/L. BASIC reactions to remember: Acid reactions: acid + base salt + water acid + metal salt + hydrogen gas acid + carbonate carbon dioxide gas + salt + water Formation of hydronium: H+ + H2O H3O+ Reactions of
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Competition in school is harmful to the students. As unglamorous as it sounds‚ the purpose of a public education is to prepare the young person to enter the workplace as a fully functional worker. Competition encourages rugged individualists. The workplace needs team players who will cooperatively work together to meet common goals. The workplace does not need a group of stars who will not share the bonus and who work alone rather than working together. The more successful competitor‚ winner‚
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correctly‚ and perform labs safely. Students will also use significant digits in measurement and calculations. Hypothesis: If the mass and volume of a substance increase‚ then the density will increase as well. Materials: 100 mL graduated cylinder Paper towels Copper bb’s Electronic balance Pre-Lab Questions: 1) The density of copper is 8.92 g/mL. 2) The density of steel is 7.85 g/cm³ 3) There is only one type of copper‚ so the density should be one specific density. However‚ there are multiple
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