memories are normally reminders of good times and the joys of childhood. But for some people‚ their childhoods are looked back on in sadness and remorse. In the poems "Looking For Dad"‚ "My Grandmother" and "The Sick Equation"‚ the narrators explore the darker sides of childhood. Each poem tells a different story‚ but are all about tragic memories from shattered childhoods that will scar forever. "Looking For Dad" is about a boy who’s father leaves home. I think the author chose the title because
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Chemical Equilibrium ------------------------------------------------- ------------------------------------------------- RESULTS AND DISCUSSION A. Iron-Silver Equilibrium In studying equilibrium between iron and silver‚ 0.10 M FeSO4 and 0.10 M AgNO3 were used. The balanced equation for the reaction is: FeSO4 (aq) + 2 AgNO3 (aq) ↔ Fe(NO3)2 (aq) + Ag2SO4 (s) It has a net equation of: Fe2+(aq) + Ag+(aq) ↔ Fe3+(aq) + Ag(s) This part of the experiment
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Lesson #1 Potential Energy Diagrams Aim: How can the process of a chemical reaction be illustrated? I. Potential Energy Diagrams = relationship between activation energy and heat of reaction for a chemical reaction 1. Activated Complex = temporary composite of atoms or molecules that will eventually form the products of the rxn. = highest point on diagram is potential energy of this composite
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March 18‚ 2012 Title: Types of Chemical Reactions Data: Reaction Observations Evidence #1 It turned a reddish brown and the liquid went clear. The color change proved it was a chemical change. #2 The reaction turned yellow and it separated and created a fog. The solid formed precipitation and had a color change during the reaction proving it to be a chemical change. #3 There was green smoke and the crystals turned black. The green liquid turned dark green and continued to sizzle with
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[ print page ] 04.05 Chemical Reactions: Combustion: Lab Worksheet and Rubric Before You Begin: You may either copy and paste this document into a word processing program of your choice or print this page. Procedure: 1. Iron (IIII) and copper (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
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Observations of Chemical and Physical Changes Derrick Davis Lab partner: None Location: My house Date Performed 25 Feb 15; 1600 CHE111-CO2 Photo 1 (Photo of me properly wearing safety goggles holding the student information card) Abstract: In chemistry it is important to understand the difference between physical and chemical changes. The objective of this experiment was to perform tests using heat or chemical mediators and observe the results for any physical or chemical changes. Various
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Machiavelli illustrates several key points in what it takes to be a "successful" Prince. In chapters 5-10‚ Machiavelli is giving us a true image of the coldhearted reputation he has carried throughout the years. He explains his ideas on taking over a "free" state or republic and how to conquer and rule with the peoples loyalty and respect. Machiavelli argues in chapter 5 that the key to taking over a free state is initially to destroy it. By destroying the city‚ Machiavelli believes that
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Goals The main goal of this project is to learn how to identify the properties of an unknown ionic compound. In order to do this successfully the group has to use a variety of methods and run several tests on the unknown compound. By doing this the group will be able to identify the different chemical and physical properties of the compound that will help obtain the identity of the specific compound given. The group will devise two syntheses of the compound‚ and compare them for cost effectiveness
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A chemical reaction is a reaction that happens everywhere.It is a process which includes one or many other substances.The substances are converted in to one or more different substances.The substances are one of either chemical elements or compounds.this chemical reaction rearranges the constituent atoms of the reactions to create different substance as products. The chemical reaction of heat on alka seltzer begins when the tablet enters the water.As soon as it does the tablet starts to dissolve
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Conductor Insulator Insulator Insulator Solubility in hexane Insoluble Insoluble Insoluble Soluble Soluble Soluble Structure Giant ionic structure Giant ionic structure Ionic with covalent character Giant covalent structure Simple molecular structure Simple molecular structure Bonding Ionic bonding Ionic bonding Ionic bonding Covalent bonding Covalent bonding Covalent bonding Boiling point is the temperature at which the vapor pressure of the liquid is
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