disaster. The plant life was sick‚ the snails were dying‚ and our fish died. As the project continued‚ it became healthier once we changed out the water. The first week the plant started flourishing‚ the snails and fish started to survive. In the decomposition chamber‚ it housed the entire time we started with leaves and some fruit which decomposed into the soil. When the project was over‚ it was nearly all decomposed. In the terrestrial chamber‚ the flora flourished the entire time. Our plants were
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Observations: Part I: Reaction between iron and oxygen Appearance of steel wool after 20 minutes From (relatively) shiny metal strips to not-so-shiny strips that are stained with dark‚ reddish-brown stuff. Part II: Decomposition of hydrogen peroxide Appearance of potato and hydrogen peroxide combination: Lots of white‚ foamy bubbles around the potato slices. Day 2 Observations: Part III: Reaction between zinc and acetic acid Appearance of penny in vinegar after
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Chemistry Gen: Course Description Year 2 PART - II CGT 21a Unit I. Basic physical chemistry I * Gaseous state: Gas laws‚ kinetic theory of gas‚ collision and gas pressure derivation of gas laws from kinetic theory‚ average kinetic energy of translation. Boltzmann constant and absolute scale of temperature‚ Maxwell’s distribution law of molecular speeds (without derivation)‚ most probable‚ average and root mean square speed of gas molecules‚ principle of equipartition of energy (without
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where the demand patterns of individual product groups are highly seasonal. Three forecasting models‚ namely‚ Winter’s‚ decomposition‚ and Auto-Regressive Integrated Moving Average (ARIMA)‚ are applied to forecast the product demands. The results are compared with those obtained by subjective and intuitive judgements (which is the current practice). It is found that the decomposition and ARIMA models provide lower forecast errors in all product groups. As a result‚ the safety stock calculated based
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chloride‚ or table salt. * 2Na+Cl2 2NaCl * A decomposition reaction is a reaction in single compound beaks down to form two or more simpler substances. * Decomposition reactions have the flowing form: AB A+B * Example: The following shows the decomposition of water * 2H2o 2H2+O2 * Electrolysis is the process in which an electric current is used to produce a chemical reaction‚ such as the decomposition of water. Classifying Reactions * A combustion
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erical methPage 48 Licentiate Thesis / Nenad Glodic 6 NUMERICAL INVESTIGATIONS 6.1 Numerical Method Numerical simulations are carried out employing a commercial CFD code (ANSYS CFX v11). The solver is using a full-scale time-marching 3D viscous model. Underlying equations‚ three dimensional Navier-Stokes equations in their conservation form‚ are being solved by using a Finite Volume method‚ where equations are integrated over the finite control volumes. Thereby‚ the solution domain is subdivided
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“An Essay Explaining the Biochemical Processes that Occur During Decomposition in the Soil Using Organisms such as Bacteria‚ Fungi and Algae. It also Involves an Analysis of the Chemical Reactions Facilitated‚ Processes Involved‚ Mineralization and the Role(s) of Organic and Inorganic Compounds.” by Alicea Bigby-Smart ID #: 12480025 Montego Bay Community College Submitted in Partial Fulfillment of the Requirements of the Council of Community
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Chemical Reactions and their Classifications 26 October 2012 Abstract: Ordinary laboratory ware was used to determine how many of what type of chemical reactions occurred. This yielded three decomposition reactions‚ four substitution reactions‚ and three metathesis reactions. Introduction There are many different types of chemical reactions in the study of chemistry; A composition reaction (also known as synthesis) is defined as the reaction that occurs when two single compounds combine in
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and science. Chemical reactions are the changing of substances to other substances by the breaking of bonds in reactants and the formation of new bonds in products. There are different types of chemical reactions such as combination reaction‚ decomposition reaction‚ single-replacement reaction‚ double-replacement reaction‚ and combustion reaction. Combination reaction is a chemical change in which two or more substances to form a new single substance. The reactants of most common combination
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N09/4/CHEMI/HPM/ENG/TZ0/XX+ 88096101 CHEMISTRY HIgHER lEvEl PaPER 1 Tuesday 3 November 2009 (afternoon) 1 hour INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question‚ choose the answer you consider to be the best and indicate your choice on the answer sheet provided. • The periodic table is provided for reference on page 2 of this examination paper. 8809-6101 16 pages © International Baccalaureate
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