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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Unit 1 Notes Chapter 3 Matter Observation v. Inference • Observation: • Quantitative or qualitative • ___________________________________________________ • Inferences: • Something that you know from ____________________________ • Ex. “made of wood”‚ “wax” Physical v. Chemical Properties • Physical Properties: • Can be observed without changing the chemical makeup of a substance • Examples: • Chemical Properties: • Describes a chemical change & the kinds of chemical reactions that
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The Power of Professionalism The thought around which the entire conversation revolves it that “Professionalism Matters” and it is not about mulling over on making people smarter but “About using better discretion.” Wiersma’s says that professionalism can be used to: 1. Drive organizations to higher levels of performance for their stakeholders. 2. Drive inner efforts to the superior performance of any organization. 3. Decrease the dysfunctional aspect of organizational conflict and politics
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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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Catherine Wright 12-12-14 English 1010 Prof. Dickinson Final Paper Matters of the Mind There are four students in front of you. The first student‚ Jessica‚ is bright eyed and ready to learn. She has her pencils lined up on the desk and her notebooks are stacked neatly. It looks like she got up early to do her hair and makeup perfectly. The second student‚ Tyler‚ looks like he didn’t get much sleep last night and is having trouble focusing. Wearing what appears to be yesterday’s dirty clothes
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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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IT Doesn’t matter “If a company needs evidence of the kind of money that might be saved‚ it need only look at Microsoft’s profit margin” Excerpts from a company’s strategy document • ...the company will ensure that it will have at least 2 plug points in each room with AC connection. • The switches will be white in color and will make a ‘click’ sound on pressing • Press to hear the click sound Disclaimer • We all agree to the fact that IT plays a crucial role in running an
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Dark Matter Astronomy Samuel Research Topic Topic: Dark Matter‚ Astronomy Saul Perl mutter‚ 2011 states “The Universe in made mostly of dark matter and dark energy‚ and we don’t know what either of them is.” The above statement by Saul Perl mutter suggests that astronomers at this age have found this unknown substance by the name of Dark Matter. We chose this topic on Dark Matter as it intrigues us what is beyond our atmosphere and what is it made off. We want to know how Scientists realized
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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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Abstract In 1999‚ the Daewoo Group‚ one of the biggest transnational conglomerates‚ collapsed‚ committing a staggering $15.3 billion in accounting fraud in the process‚ the largest in world history. In 2006‚ its chairman was sentenced to eight years in prison and a disgorgement penalty of $22.7 billion. Daewoo’s problems‚ however‚ did not remain a case isolated to Korea and their mighty‚ family-controlled conglomerates called “chaebol.” Daewoo’s demise foreshadowed corporate scandals
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