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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The Structure of Matter There is a large overlap of the world of static electricity and the everyday world that you experience. Clothes tumble in the dryer and cling together. You walk across the carpeting to exit a room and receive a door knob shock. You pull a wool sweater off at the end of the day and see sparks of electricity. During the dryness of winter‚ you step out of your car and receive a car door shock as you try to close the door. Sparks of electricity are seen as you pull a wool blanket
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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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States of Matter Lab 1 Procedure: Go to: http://phet.colorado.edu/en/simulation/states-of-matter and click on Run Now States of Matter Review: 1) Kinetic energy (KE) is the energy of motion. 2) Potential energy (PE) is the energy of position. 3) What property of a substance corresponds to the average KE of its particles? Temperature 4) What property of a substance corresponds to the average PE of its particles? Phase 5) List the three common states of matter in order
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Chapter 15: • Matter is anything that has mass and takes up space. – Ex: Your textbook‚ you‚ your pen/pencil‚ air‚ etc. • Classification systems are used all the time to organize objects. – Ex: The Periodic Table of Elements‚ organizing your locker‚ your clothes‚ etc. • In order to make the study of matter easier to understand‚ scientists have developed ways to classify matter. • The properties of materials can be used to classify them into general categories. – Ex: Pure substances‚ elements
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Nicholas G. Carr published this article in the May of 2003. Its purpose was to convey to the reader that IT no longer matters and may no longer be relevant. Carr’s reasoning behind this is that corporations have universally accepted and use IT; this makes the use of IT a commodity and no longer puts the corporation at an advantage over any other using IT. Which means that using IT would no longer be a strategic decision for the corporation. After explaining this Carr offered new rules for IT management
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Chemistry and Matter Rich McConnell‚ CH-201 Grantham University Chemistry and Matter 1. A scientist who is trying to make an insecticide that is more toxic to mosquitoes than to humans would be involved in ________. 1. Basic research 2. Applied research 3. Technology 4. Serendipity 2. How is chemistry defined? Science can be looked at like at tree‚ within this tree there are different branches one of which is Chemistry which studies composition and properties of matter and the changes they go through
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BAPTIST THEOLOGICAL SEMINARY Family to Family Submitted to Dr. Gene Jefferies in partial fulfillment of the requirements for the completion of EVAN 525 Contemporary Evangelism by Shawn T. Hunt October 4‚ 2014 Abstract The book Family to Family is a concrete guide for the family that has lost connection with itself. The very purpose of the book as stated by the authors is to “discover God’s purpose for your family‚ develop a family mission statement‚ establish core
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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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Chapter 6 Tax matters 1、 Why have tax? The Collins Concise English Dictionary (1992. P 1383) defines the word “tax” as: “a compulsory financial contribution imposed by a government to raise revenue‚ levied on income or property‚ on the prices of goods and services‚ etc. and to levy a tax on (persons‚ companies‚ etc.)” (Clinton Alley‚ 2008). there are several reasons can explain the existence of tax: The main function of taxation is the fiscal one. It is through fiscality that taxes play their
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