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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Claim Evidence Reasoning What is your CLAIM? Sodium Bicarbonate and water make the bag cold. EVIDENCE to support your claim Sodium Bicarbonate and water make the bag noticeably cold. When you take calcium chloride‚ phenol red‚ and water the bag becomes hot. If you add Calcium chloride and sodium bicarbonate there will be no reaction. If you add Sodium Bicarbonate and Phenol red the bag will become cold. When you take Sodium Bicarbonate‚ Phenol red‚ and water the bag will become cold. Using
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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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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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penalty because it is barbaric‚ unethical and unacceptable form of punishment. But when the heinous criminal act is directed to us or any member of our family‚ our conviction is easy swayed towards what we previously abhorred to be wrong. What do we value more: cultural acceptance or life preservation? I believe it is the latter. We don’t blindly follow what we deem is satisfactory in the society but we accustom our choices with an ulterior motive – to safeguard our survival – although in most cases
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THE FALSE CLAIMS ACT Proprietary education dates back to the late nineteenth century where institutions focused on professional training in teaching‚ medicine‚ and law (Breneman‚ Pusser‚ &ump; Turner‚ S.‚ 2000). The 1972 Higher Education Reauthorization Act included for-profit institutions in federal financial aid programs and changed the vernacular of higher education to postsecondary education (2000). This piece of legislation along with new technologies along with increased demand for higher
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Hantz Renelus Dr. Aikhionbare POS1001 30 January 2014 Unexpected Life with Politics It is a common view that politics affect everyday life; the general idea is that “well it has nothing to do with me”. Which is a sentiment I also believed until I read that those who do participate in politics affect everyone even those who believe it has nothing to do with them. So it began to raise a question does politics manipulate everyday life? As I started to think of my everyday routine I came to the
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were based on what the founding fathers valued‚ and these values are the foundation of our democracy. What I value most as an American is justice‚ equality‚ and individual rights. First‚ justice is similar to the idea of fairness. This means there are consequences for both good and bad. If a person does something good‚ they should be rewarded. If a person commits a crime‚ then they may end
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