CHAPTER 5 STATES OF MATTER INTERMOLECULAR FORCES Intermolecular forces are the forces of attraction and repulsion between interacting particles (atoms and molecules). Attractive intermolecular forces are known as van der Waals forces. van der Waals forces include dispersion forces or London forces‚ dipole-dipole forces‚ and dipole-induced dipole forces. A particularly strong type of dipole-dipole interaction is hydrogen bonding. Dispersion Forces or London Forces Observed between non-polar molecules
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Analysis Questions: Cycles of Matter 1. Explain the role of decomposing bacteria in the carbon and nitrogen cycles. In the carbon cycle‚ decomposing bacteria release carbon from the decaying bodies or waste into the atmosphere. Without them‚ it won’t be able for any organism to access the carbon stored in dead bodies. In the nitrogen cycle‚ decomposing bacteria breaks down animal waste‚ which creates ammonia and nitrate products rich in nitrogen. Although no animals or plants cannot directly
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Music 137 Concert Report December 15‚ 2012 Paco De Lucia and John McLaughlin‚ Freiburg in 1987 The concert that I watched on the internet was a full concert that took place in Freiburg‚ Germany in 1987 and was presented by two of the best classic guitarists of all-time Francisco Sánchez Gómez better known as Paco de Lucia from Spain and John McLaughlin from England. The music that they play is all classical music in its purity and between the submitted songs which were mostly songs composed
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Changing Leadership Styles: Flexibility Matters Introduction The articles for this week represented views of leadership theories that are based on behaviors that reveal the underpinnings of a shift in leadership styles. These studies presented empirical evidence of some intricacies of work relationships that do not follow a prescriptive outline that always leans toward favorable outcomes. Problem solving and adaptive leadership are key components to the decision making process‚ according to
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Subject matter: “The Man from Snowy River” is a household poem. The man is trying to get the main colt back to the owner. The man from Snowy River was a man that was hard‚ tough and wiry. Theme: Never judge a book by its cover. As you never know what some people are capable of. The hero‚ the man from Snowy River‚ is typical of an Australian. An anonymous‚ lone and silent stranger who saves the day‚ exactly the type of stockman the Australian bush is meant to produce. The message of the poem
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The title is taken from Macbeth’s soliloquy ‘Out out temporary candle’ during which he ponders the brevity and meaninglessness of life. It conjointly shows however life will escape thus quickly notwithstanding we have a tendency to see it returning. Henry M. Robert Frost’s “‘Out‚ Out—’” describes a farm accident that unexpectedly and without reasoning prices a young boy his life. The storyteller of the verse form sets the scene‚ on the face of it from AN outsider’s perspective‚ reportage the incident
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States of Matter Jun Ruan Solid Molecules are tighly packed and harder than liquids and gases. Examples: Ice‚ Coal‚ Salt Amorphous solid-a solid which has a disordered atomic structure. Examples: Glass‚ Rubber Liquids flowing freely but of constant volume. Examples: Water‚ Mercury‚ Alcohol Viscosity-a measure of its resistance to gradual deformation by shear stress or tensile stress. Surface tension-the force that acts on the surface of a liquid and tends to minimize the surface
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“Is Density An Intensive Property Of Matter?” By: Mikal Hayden - Gates A. Introduction The first unit we learned in chemistry was Alchemy. In this unit I learned about the extensive and intensive properties of matter. An extensive property is a property of matter that depends on the changes of the substances shape or amount. An intensive property is a property of matter that doesn’t depend on the substances shape or amount. The purpose of this investigation was to prove that density is
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Matter Questions Name: ________________________ Date: __________ 1. What are the classifications of 2 pure substances and give 1 example of each. 2. What are the 2 types of mixtures? (list and define!) Give 2 examples for each: 3. List if element (E)‚ compound (C)‚ or mixture (M): a. sodium b. water c. soil d. coffee e. oxygen f. Carbon dioxide g. Cake batter h. air i. blood 4. List if chemical (C) or physical change (P): a. Melting chocolate
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Family Matters The definitions of a family today and a family in the past are far from similar. The definitions may have some similarities but they have changed dramatically in many more ways. 50 years ago‚ families had rules that were stricter and families were closer in the sense of a relationship. Although some families today are more distant from each other and have fewer rules to maintain order‚ there are still some that maintain the same styles of the families 50 years ago. Families have
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