reactants used and the amounts of products formed in a chemical reaction”. Basically‚ Stoichiometry is the science of counting and studying the relationship between the amounts of the reactants to the product. To think of stoichiometry outside of chemistry‚ imagine a bookshelf. To assemble the bookshelf you may need 3 planks of wood‚ 1 giant plank of wood‚ and 20 nails. Even though the amount of the reactants is high‚ the product would be only one bookshelf. Stoichiometry is basically studying the
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CHEMISTRY IN THE KITCHEN Presented by: Jose Martin Jaca Jerizza Nina Vidal Krysha Jade Pepito Mae Karen Apas Jose Romano Jr. Feb Daphne Kay Ornopia Ma. Trisha Tiffany Uy Chemistry in the Kitchen 1. Growing Food 1.1 Chemicals Needed for Life 1.2 Fertilizers and their Problems 1.3 pH of Soil 1.4 Hunger Problems 2. Cooking 2.1 Physical and Chemical Change 2.2 Effects of Cooking 3. What is Cooking?: Methods of Cooking 3.1 Baking: Chocolate Chip Cookies 3.2 Frying: French Fries
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Chemistry of Fireworks By Anuradha Sahu Everyone enjoys the amazing firework shows on the Fourth of July with the beautiful vibrant colors and sparks every year. Fireworks have been part of this world for a very long time. They have been used for enjoyment and for signalling purposes. Every culture has their own significance and use of fireworks. But all fireworks have something in common; the chemistry that makes them work. No matter where you find them‚ they are made up of the same compounds
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INTRODUCTION Zainab and I have been friends for seventeen years. We are at the bonding stage of Knapp’s Relationship model in our friendship. INITIATING It was the middle of the school year when my mother decided to move to the suburbs from Washington‚ D.C. I knew that I would be heading to a new school and I was not anticipating the change. It was kind of strange starting at a new school when half the year was almost finished. For the first few months I pretty much stayed to myself. By the
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Case 34: Dippin’ Dots Ice Cream and Coffee? 1) What elements in the external environment might affect Dippin’ Dots’ strategy? * The threat of new entrants into the industry creates more competition. * The power of the suppliers and buyers. As the present competition and potential new competition in the “frozen desserts” segment‚ have a major effect externally. * There are already substitutes to the Dippin’ Dots’ products‚ but there is still threat of new substitutes. * Intense
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American history is accompanied by a long list of explorers who first discovered and who explored the massive continent. All of the explorers had an impact on the development of America. The Lewis and Clark expedition‚ also known as the Corps of Discovery‚ stands prominently at the top part of this list. The Lewis and Clark Expedition has had a significant political‚ social‚ and economic effect on America. They were the first to map out the west and set off westward expansion. Without the success
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incorporated into the inks. Sometimes‚ the color change occurring at a temperature is permanent‚ and at other times the original color can be regained on cooling. Accordingly‚ we have an irreversible or reversible thermochromic system. The required chemistry can be adopted based on the end use. That means one can select an irreversible thermochromic system when a certain temperature crossing is to be monitored and a reversible system when the actual temperature range is to be monitored. The color change
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and that compounds are formed by combination by two or more atoms. Work Cited http://www.iep.utm.edu/aristotl/ http://profmokeur.ca/chemistry/history_of_the_atom.htm
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August 22‚ 2013 Assignment 1: The Chemistry of Life Effects of Acid Rain There are many different types of negative effects acid rain has on the world. Acid rain is the mixture of wet and dry deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acids. Pollution contributes to the forming of acid rain. One of the main causes is industrial burning of coal and other fossil fuels the oxides they contain and combine with atmospheric water which forms acids.
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Método de Lewis-Matheson para el Diseño de Columnas de Destilación Multicomponente Introducción Los métodos de cálculo para el diseño de columnas de destilación‚ se dividen en 3 categorías: los métodos gráficos‚ los métodos cortos o aproximados y los métodos rigurosos. Los métodos gráficos (como el McCabe-Thiele) y aproximados (como el método FUG) solo son validos para procesos sencillos‚ tal es el caso de la destilación de mezclas binarias o para estudios preliminares de una columna. El diseño
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