Chem 234 02/17/13 Lab 2: Melting Points Purpose: To determine the purity of a substance using melting point as physical property. We must also learn how to identify an unknown compound using its melting point. We got to identify an unknown compound using mixture melting point and finally we must learn to obtain an accurate melting point using Mel-Temp apparatus. Procedure: Set voltage to obtain the desired heating rate at the anticipated melting point range. The voltage control controls
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Case Study: Coke and Pepsi in India: Coca-Cola controlled the Indian market until 1977‚ when the Janata Party beat the Congress Party of then Prime Minister Indira Gandhi. To punish Coca-Cola’s principal bottler‚ a Congress Party stalwart and longtime Gandhi supporter‚ the Janata government demanded that Coca-Cola transfer its syrup formula to an Indian subsidiary. Coca-Cola balked and withdrew from the country. India‚ now left without both Coca-Cola and Pepsi‚ became a protected market. In the
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Points of Consciousness Stephanie Hight PSY 202 Charlette Martin Consciousness is a person’s awareness of everything that is going on around him or her at any given moment. There are four different states of consciousness‚ and they include; sleep‚ dreams‚ hypnosis‚ and drugs. Sleep is an altered state of consciousness that one’s body needs in order to function properly. Our bodies have biological rhythms which require a certain amount of time a person sleeps during a 24 hour period. Some
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Writing Sample: Main Points Throughout reading the article on “Studies Explore Whether the Internet Makes Students Better Writers” by Josh Keller‚ there are a few points to pick up on. The first point being made is that some scholars say that students no a days have a more enhanced skill for writing. In other cases some are saying‚ by using online blogs and/or tweeting can cause a student to form bad writing habits and become less efficient in a classroom setting. A second point that’s made in the
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without any symbols (including $‚ %‚ commas‚ etc.). Enter all dollars without decimals and all interest rates with up to two decimals. Read the syllabus for examples. The points for each question are listed in parentheses at the start of the question‚ and the total points for the entire assignment adds up to 100. Question 1 (5 points) Qin deposits his first paycheck in the bank. The annual interest rate is 12%‚ but interest is compounded quarterly. The EAR is: Your Answer | | Score | Explanation
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Melting Point Determination Lab Materials: Graduated pipette Capillary tube Tin wipe Sample Melting temperature apparatus Thermometer Procedure: Take open end of capillary tube and tap it gently into sample. Take tin wipe and place over the opening. Gently tab it so the sample will funnel to the bottom of the tube. You may also use a graduated pipette to accomplish this. Now‚ place the capillary tube in the designated spot in the melting apparatus‚ and once placed‚ turn the apparatus
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A Turning Point It was the first day of high school. I was not excited at all. My dad sent me to an International Private High School where bunch of rich people speak good English. The tuition fees to study there are pricy‚ too. My family isn’t really a wealthy one. My parents sent me there so that I could receive the “best” education in Malaysia. Tsk! Tsk! Sad to say this but I was totally not interested being there and the fact that I couldn’t speak English‚ at all‚ was really killing me. How
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Checklist of Case Report Note: This checklist is intended to help you get the structure right on the case report; meeting this checklist does not guarantee a quality work. Consulting Letter to CEO (not to exceed one page) • Use the tone of a formal letter‚ no need to include typical ending words such as “Sincerely XXX”. The letter should be written in such a way that‚ even detached from the rest of the report‚ the key messages can still get across to the CEO‚ including the strategy to
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In recent times‚ it has become increasing clear that economic development and population growth are resulting in expeditious changes in natural ecosystems‚ globally‚ and particularly on the self-sufficient ecosystems of Hastings Point. In acknowledgment of this‚ the United Nations’ Kofi Annan presented a report: “We the Peoples: The Role of the United Nations in the 21st Century.” (2000) Annan called for Millennium Ecosystem Assessment in order to establish the consequences of change in ecosystems
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idea by adopting it themselves and spreading the word. The attainment of the tipping point that transforms a phenomenon into an influential trend usually requires the intervention of a number of influential types of people. In the disease epidemic model Gladwell introduced in Chapter 1‚ he demonstrated that many outbreaks could be traced back to a small group of infectors. Likewise‚ on the path toward the tipping point‚ many trends are ushered into popularity by small groups of individuals Gladwell
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