The expansion of Western Europe started with the Iberian phase. Spain and Portugal‚ the two countries of the Iberian Peninsula‚ had a short-lived yet important role in European expansion. European expansion then turned to Western Europe. Western Europe consists of the Dutch‚ French‚ and British. While Western Europe was exploring new worlds overseas‚ the Russians were expanding westward across all of Eurasia. Religion played a major role in expansion for both the Portuguese and the Spanish due
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Report on TREATMENT AND DISPOSAL OF CHEMICAL WASTES IN CHEM 111.1 PHYSICAL CHEMISTRY LABORATORY Submitted by: Christian Manahan Anna Esperanza Legaspi CHEM 180 – X 2nd Semester AY 2012-2013 Date Presented: March 21‚ 2013 Date Submitted: March 22‚ 2013 Prof. Josefina L. Solivas I. Introduction Chemicals have been indispensable in the everyday lives of humans. Their uses have made life easier and better. However‚ their effects on the environment have been accumulating and
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A Chemical change is any change that results in the formation of a new chemical substance. It is something that everyone learns about in school‚ but never really tries to see it in the real world. We all know the basic examples; baking a cake‚ burning wood… etc. What about the examples that are happening around us. For example‚ the Statue of Liberty has been through a chemical change. It was first a dull brown color‚ and now it is a green color. That happened due to a chemical change. During the
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CHEM 1105 Experiment 4: Determination of a Chemical Formula Introduction When atoms of one element combine with those of another‚ the combining ratio is typically an integer or a simple fraction. The simplest formula of a compound expresses that atom ratio. When two or more elements are present in a compound‚ the formula still indicates the atom ratio. To find the formula of a compound we need to find the mass of each of the elements in a weighed sample of that compound. For example‚
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Examination of Water and Wastewater 5210 BIOCHEMICAL OXYGEN DEMAND (BOD)*#(1) 5220 CHEMICAL OXYGEN DEMAND (COD)*#(2) 5220 A. Introduction Chemical oxygen demand (COD) is defined as the amount of a specified oxidant that reacts with the sample under controlled conditions. The quantity of oxidant consumed is expressed in terms of its oxygen equivalence. Because of its unique chemical properties‚ the dichromate ion (Cr2O72–) is the specified oxidant in Methods Section 5220B‚ Section
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Lab #5 Chemical Reactions & Balancing Equations Objectives Observe and classify several chemical and physical changes. Give evidence for the occurrence of a chemical reaction. Write a balanced equation for a chemical reaction. Identify a reaction as a combination‚ decomposition‚ replacement‚ or combustion reaction. Background Physical properties can be observed without changing the chemical composition of the substance. Common physical properties that can be measured without changing the chemical
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Chemical Imbalance and Depression Melissa Creamer PSYC 3002- Developing a Psychology Perspective Project Draft - Persuasive Paper Capella University mcreamer@capellauniversity.edu October 2012 Introduction According to some Psychologists‚ chemical imbalance can lead to depression and other mental illnesses. It is very unclear that depression is one of the possible symptoms of a chemical imbalance. However‚ chemical imbalance doesn’t lead to every kind of depression seen in the lives of
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Case 1: Chemical Bank: Implementing the Balanced Scorecard see page 233-252 Questions for the case: 1. What does Mike Hegarty want to accomplish with the BSC ? 2. Comment on the BSC implementation at Chemical’s Retail Bank ? 3. What pitfalls need to be avoided for a successful BSC project? Balanced Scorecard Implementation Pitfalls to Avoid There are many Balanced Scorecard implementations where companies don ’t seem to get all the benefits described above. Research and experience have
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CHANGE AND CONTINUITY OVER TIME ESSAY TOPICS Students should organize these essays with three chronological paragraphs. Each essay will traditionally cover only one historical period but each period has numerous sub-periods. The periods in AP World History include: I. Broad Historical Periods and Sub-Periods A. Foundations Period 1. Prehistory: 1‚000‚000 BCE to 5000 BCE 2. River Valley Civilizations: 5000 BCE to 1200 BCE 3. Classical Civilizations: 1200 BCE to 600 CE B. Post-Classical
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Data Tables: Part 1: |Chemicals|Well No.|Observations of the Reaction| A.|NaHCO3 + HCl||Bubbling in center of droplets. Homogeneous| B.|HCl + BTB||Turns yellow immediately after contact. Homogeneous| C.|NH3 + BTB||Turned dark blue. Homogeneous| D.|HCl + blue dye||Solution turns green immediately after contact. Homogeneous| E.|Blue dye + NaOCl||Stays blue. Homogeneous| | with the 1 drop of HCl||Mixes and turns a bluish green color. Homogeneous| F.|NaOCl + KI||Slightly yellowish tint to the
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