Pre-Lab Work Sheet Which type of compound usually has higher melting points: ionic compounds or covalent compounds? What is the reason for this difference in melting points? (3 points) Ionic compounds have higher melting and boiling points than covalent compounds. The electrostatic attraction in an ionic bond is very strong hence a lot of heat energy is required to break it down‚ ionic bonds have high melting and boiling points. In covalent bonds‚ the intermolecular forces are very weak and
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English writing Marcus Kyramarios Ed 5 “Pre Tokyo with Amrit Warraich” 4.11.2012 Pre Tokyo with Amrit Warraich Introduction O n Monday the 5th of November Mr. Warraich and Mr. Puser are crossing half the globe to participate in the 51st annual Georges Baptiste Cup. The George Baptiste cup is a world wide well known French competition where young individuals from the hotel and restaurant industry compete in various service elements. This year it is held in Tokyo‚ Japan where Amrit
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The Impacts of Roman Republic’s Territorial Expansion Rome‚ the country with constant wars‚ expended from a small state which was poorly documented to a glorious empire which dominated Mediterranean during five hundred years. As a great amount of wars went on‚ Rome’s territory enlarged at a fast speed and increasing number of people became under her control. The huge changes in territory and population resulted in tremendous transition in Roman politics and society. After continuous wars‚ such as
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What Philosophical problem was the primary concern of the Pre-Socratics? The pre-Socratics were primarily focused on exploring the main cause of the creation of the world and the basic substance of everything around us. They questioned the one and the many. Instead of acknowledging many of the more traditional mythological explanations of the time for the natural phenomena they saw in the world such as solar eclipses‚ they searched for rational and logical explanations. Their primary concern
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Alexis Becker Pre-Lab Experiment 7 Avinash Pallagani Investigating Stoichiometry with sodium salts of carbonic acid 4/2/14 A summary of the concepts: The purpose of this lab is to better understand “stoichiometry”. We will be reacting sodium carbonate (NaHCO)3 and sodium carbonate (Na2CO3) with hydrochloric acid to produce sodium chloride‚ water‚ and carbon dioxide. The balanced chemical reaction looks like this: NaHCO3 + HCl = NaCl + H2O + CO2 CAUTION: Be especially
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consist of three basic activities * It identifies * Recordsa * Communicates the economic events History of Accounting: 1. Deverlopment period (upto 1494) a. Stone Age b. Old Age c. Exchange Age d. Money Age 2. Pre-Explanatory period: 1494 – 1800 3. Explanatory Period: 1800 – 1900 4. Modern period: 1900 on wards Account is an Aid to Management: 1. Financial statement 2. Policy determination 3. Planning 4. Organizing 5.
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Payback Period Payback periods are commonly used to evaluate proposed investments. The payback period is the amount of time required for the firm to recover its initial investment in a project‚ as calculated from cash inflows. In the case of an annuity‚ the payback period can be found by dividing the initial investment by the annual cash inflow. For a mixed stream of cash inflows‚ the yearly cash inflows must be accumulated until the initial investment is recovered. Although popular‚ the payback
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causing overlying water to drop suddenly. The Size of a Tsunami • Tsunamis have an extremely long wavelength (wavelength is the distance between the crest (top) of one wave and the crest of the next wave) -- up to several hundred miles long. The period (the time between two successive waves) is also very long -- about an hour in deep water. • In the deep sea‚ a tsunami’s height can be only about 1 m (3 feet) tall. Tsunamis are
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Miranda vs. Arizona is landmark case that has changed history and the manner of how defendants are notified of their rights before relinquishing any information about a crime. Miranda was implemented so no someone else could suffer for a crime and not become aware of their rights. Defendants should be informed of the charges and their rights before they are arrested for any alleged crime. If law enforcement officials fail to properly notify the accused of their rights the chances of them paying the
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Siddhanth Warrier Professor Barrie Stevens Writing 101- 10 November 19‚ 2012 Land of the Free‚ Home of the White; A Study of Racial Profiling in Arizona Racial profiling is essentially the act of using skin color as a probable cause to detain someone. This phenomenon is unfortunately very common‚ and is frequently used by law enforcement agencies around the United States as a means to deal with illegal activity. It is morally reprehensible in that it promotes racist practice amongst law
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