It’s determined through heating this chemical and gets the normal copper (II) sulfate‚ and then calculated through Stoichiometry. Evaluating Procedure: The lab has some major problems with the lab which include: 1. Water vapours are invisible‚ therefore not able to gain the time that we should stop the fire. 2. However‚ there will be a problem to let students
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+ Unit 9: Lecture 1 The Concept of Equilibrium and the Equilibrium Constant + What is equilibrium? A state of balance It can be static (like tug o war) It can be dynamic‚ like cars moving across a bridge‚ and like most of the reactions we will be studying + Chemical Equilibrium Occurs when opposing reactions are proceeding at equal rates Rate at which products form is equal to the rate at which reactants disappear Have the illusion that the reaction has stopped +At equilibrium
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results in the production of a great quantity of heat‚ as well as the production of steam and carbon dioxide and other chemicals at very high temperature; the temperature reached is determined by the chemical make up of the fuel and oxidisers (see stoichiometry). The most common modern fuels are made up of hydrocarbons and are derived mostly from fossil fuels (petroleum). Fossil fuels include diesel fuel‚ gasoline and petroleum gas‚ and the rarer use of propane. Except for the fuel delivery components
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Redox Titration Analysis of a Commercial Bleach A. Purpose ! ! ! To review oxidation-reduction reactions and their stoichiometry. To learn the concept and technique of redox titration. To determine the percent (m/v) of an active ingredient‚ sodium hypochlorite (NaOCl)‚ in a commercial bleaching agent. B. Theoretical Background Whereas acid-base reactions involve the transfer of a proton‚ oxidation-reduction or redox reactions involve the transfer of electrons from one substance to
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The purpose of the making alum from aluminum lab was to create alum from a series of chemical reactions involving aluminum. Small pieces of an aluminum can were cut and measured before being taken through a series of chemical reactions. This process involved filtering out waste product that was no longer needed in the reaction by using Whatman #4 filter paper and an aspirator. The first reaction that took place was placing aluminum pieces into the strong base NaOH and then heating it. This reaction
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CHNG 1103 INTRODUCTION OF MATERIAL AND ENERGY TRANSFORMATIONS COURSE NOTES PART A: MATERIAL BALANCE GENERAL INFORMATION LECTURERS Dr. Marjorie Valix (Part A: Material Balance) email: mvalix@usyd.edu.au office: Rm 444 Chemical Engineering Blg. Phone: 93514995 (Direct) or 9351 2455 (General Office/Messages) Dr. Vincent Gomes (Part B: Energy Balance) Email: vgomes@usyd.edu.ua Office: Rm 452 Chemical Engineering Blg. Phone: 9351 4868 TEXTBOOK R.M. Felder and R.W. Rousseau “ Elementary
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with an emphasis in problem solving skills‚ critical thinking skills and effective use of technology. The following topics will be covered throughout the year: Properties of Matter Chemical Reactions Atomic Structure Measurement and Units Stoichiometry Periodic Law Significant Figures Acids and Bases Chemical Bonding Chemical Nomenclature Redox Reactions Molecular Structure Chemical Formulas and Equations Gas Laws School-Wide Academic Expectations for Student Performance: Chemistry
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Honors Chemistry was always a pleasantly productive period. A typical class block entailed only a lesson and worksheet; for example‚ I would speed through a stoichiometry worksheet‚ ensure that I understood limiting reagents‚ and find myself with half of the period to occupy. Some days I would finish homework for other classes‚ while other days I would browse scientific journals on my phone. Occasionally I would use this time to “do math‚” which‚ for someone without much of a background in the subject
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Chemistry 12 Santa Monica College Determination of Kc for a Complex Ion Formation Objectives • • Find the value of the equilibrium constant for formation of FeSCN2+ by using the visible light absorption of the complex ion. Confirm the stoichiometry of the reaction. Background In the study of chemical reactions‚ chemistry students first study reactions that go to completion. Inherent in these familiar problems—such as calculation of theoretical yield‚ limiting reactant‚ and percent yield—is
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noble gases have electron affinities near zero other element groups tend to have low electron affinities Electronegativity - measure of the attraction to form a chemical bond increases moving left to right decreases moving top to bottom Stoichiometry: Balance the equation. Convert units of a given substance to moles. Using the mole ratio‚ calculate the moles of substance yielded by the reaction. Convert moles of wanted substance to desired units. Converting from Grams to Moles NOTE:
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