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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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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Tuesday‚ April 2‚ 2013 Case 1.Generoso Pharmaceuticals & Chemicals‚ Inc. - Sample I. Background of the Study David Generoso‚ a philosophy graduate of a sectarian university in the Philippines. He was a full scholar in 1972. He gave up his studies on canon law after a year and decided to pursue more secular activities. David had political ambitions of his own but neither found a way nor a vehicle to launch his political career. David was finally able to make a giant step
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CHEMICAL ATTACK ON SYRIA Over 110‚000 people have died in Syria since the beginning of a years-long conflict in the country. On August the 21st‚ the U.S government says that 1‚429 died through the chemical attacks which marked the sea change in foreign policy towards the Middle Eastern country. The impact of poison gas is horrific and fatal. Those exposed to the nerve agent can die within 15 minutes of exposure. Mr. Obama’s absolutist position against it is backed up by international law and the
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Chemical Equilirium _________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ DISCUSSION Chemical equilibrium and its different applications were studied in this experiment. The Le Chatelier’s principle‚ which is the main principle behind chemical equilibrium‚ states that‚ “If an external stress is applied to a system
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Question 1: As Multinational Corporations (MNCs) have become a growing force in world trade they have attracted supporters and critics. Briefly discuss the arguments put forward by both sides. Explain how the WTO Organisation assists in managing world trade. Advantages and disadvantages of MNC’s: Advantages: • MNC’s impact on host country: • Capital Formation (money which comes into the country) • Technology transfer • Regional and sectoral development • Internal Competition and Entrepreneurship
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Data Tables: Part 1: Chemicals Well No. Observations of the Reaction A. NaHCO3 + HCl 1A Bubbles appeared for 5 seconds. Now clear in color‚ no bubbles B. HCl + BTB 2A Turned from clear to yellow C. NH3 + BTB 3A Turned from clear to dark blue D. HCl + blue dye 4A Turned from clear to green E. Blue dye + NaOCl 5A Turned from blue to light blue with the 1 drop of HCl 6A Turned from blue->light blue->yellow->light yellow->clear‚ transparent F. NaOCl + KI 7A Turned from clear to Light yellow
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Conflict in Organizations Texana Petroleum Corporation Background The Texana Petroleum Corporation is a multi-million dollar company and major producer and marketer of petroleum products located in the southwest United States. Texana has five product divisions: Petroleum Products Division‚ Polymer and Chemicals Division‚ Molded Products Division‚ Packaging Products Division and Building Products Division. The President and Chief Executive Officer‚ Roger Holmes retired in 1993 and was replaced
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Chemical Banks – Allocation of Profits Question 1. How will you resolve the due bill controversy? Due Bill Controversy: Metro Division’s service to sell the Due Bill for the Treasury division is not recognized by the Treasury department. While Metro acted like a cost center‚ Treasury acted as profit center. When Metro Bank division reviewed the profit loss statement for the Due Bills‚ it was found that Metro division was incurring loss of $26.50 for each transaction. Consequences of Due
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