Chemistry‚ 2014 UNIT 1 – MATTER TRENDS AND CHEMICAL BONDING History of the atom DEMOCRITUS Smallest particle of matter is called an atom Atoms are in constant motion and have empty space between them ARISTOTLE 4 element theory of matter (earth‚ air‚ water‚ fire) Had different combinations of the 4 qualities: hot‚ cold‚ dry‚ moist JOHN DALTON Expanded on Democritus’s theory: All matter is composed of tiny‚ indivisible particles All atoms of an element have identical properties
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APWH Ch 11 Responses Margin Review Questions 1. In what ways did the early history of Islam reflect its Arabian origins? • Islam drew on an older Arab identification of Allah with Yahweh‚ the Jewish High God‚ and Arab self-identification as children of Abraham. • The Quran denounced the prevailing social practices of an increasingly prosperous Mecca and sought a return to the older values of Arab tribal life. • The message of the Quran also rejected the Arab tribal and clan structure‚ which
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Lab 3 Exercise 3.1: Installing the DHCP Server Role‚ Questions 1-3. Question 1: What is the name of the computer you are working from? The Name of the computer is W2K8xx Question 2: What is the Default lease duration of a wired subnet type? Wired less duration will be 8 days Question 3: What are 3 recommendations listed in Server Manager for managing the DHCP Server role? 1. Increase fault tolerance by splitting DHCP scopes 2. Eliminate manual updates of DNS records by configuring dynamic
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stocks as compared to an equally weighted portfolio of these stocks * Prices are collected from Yahoo Finance (follow instructions in the book‚ pay attention to how the prices are ordered when calculating the returns later) * 10 stocks in the lab‚ 12 in the book * For Motorola‚ use MSI instead of the ticker symbol in the book Steps: 1. Calculate Returns: Rt=Pt-Pt-1Pt-1= PtPt-1-1 2. Mean Monthly Returns and Standard Deviations for Each Stock: Mean Monthly Return: R= 1T*t=1TRt
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PR OCEDURE Before beginning‚ set up a data table similar to the Data Table: Experiment Results in the Lab Report Assistant section. This experiment will create a reaction of sodium carbonate and calcium chloride dihydrate to produce a precipitate of calcium carbonate. This formula is: Na2CO3(aq) + CaCl2. 2H2O(aq) à CaCO3(s) + 2NaCl(aq) + 2H2O 1. Put on your goggles. 2. Weigh out 1.0 g of CaCl2·2H2O and put it into the 100-mL beaker. Add 25 mL of distilled water and stir to form the calcium
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The barrels that exceeded 50ppt were 3‚ 10‚ 11‚ 13‚ 17‚ 18‚ 22‚ 24‚ 26‚ 30‚ 31‚ 39‚ 42‚ 45‚ 47‚ and 49 (Table 2b). This indicated that these barrels were above the regulated amount. During this same experiment‚ 26 barrels exceeded the 5% (50ppt) threshold. These were barrels 3‚ 4‚ 6‚ 8‚ 10‚ 11‚ 13‚ 17‚ 18‚ 20‚ 22‚ 24‚ 25‚ 26‚ 27‚ 30‚ 31‚ 34‚ 38‚ 39‚ 42‚ 44‚ 45‚ 47‚ 49‚ and 50 (Table 2a‚ Table 2b). These barrels were
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Apple Computers have found themselves in a very different world today from when they first started in the 1980s. The savviness of today’s consumers and the emergence of new markets and competitors are just a few differences that Apple has faced. Using Porter’s 5 Force Model‚ we will look at the major changes. Intensity of Competitive Rivalry The intensity of competitive rivalry has increased because of the number of competitors‚ the innovations in distribution channels as well as the decrease
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1.) The purpose that CUP Vorstand (board of directors) creates Customer Care Center (CCC) is to reduce the increasing defection of customers‚ which is caused from dissatisfaction with the firm’s services. CCC is necessary to CUP due to following reasons. First of all‚ by setting the CCC‚ the CUP can reduce lapse rate. The CUP has a high lapse rate before setting CCC. According to the interviews with defected customers‚ many of the lost of customers are due to CUP’s own fault‚ and they could be avoided
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Bacteria: a benefit or a hazard? Bacteria is something we are all reminded of on a daily basis by merely switching on our televisions where we are bombarded with advertisements for both ‘good’ and ‘bad’ bacteria. Contrary to the view of the past when only so-called ‘bad’ bacteria was ever talked about‚ so what has changed? This essay will address the facts about bacteria including methods used in identifying bacteria as well as looking at specific examples of how they can be both helpful and harmful
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Chapter 10 New Civilization in Western Europe Introduction: How and who were they interacting with? Middle Ages and their Flavors What types of feature made them stand out? Why would they have been rude to their mentors? What could have inspired this new birth in values and institutions to happen? Western Development What was exacultly causing this type of decline and destruction? Manorial Systems Were the serfs treated badly and what freedoms did they have
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