Polarities and Polarity Management: What is a polarity? Polarities can go by various names. These include paradoxes or dilemmas. One example is the basic human need for oxygen and release of carbon dioxide. Humans need for survival depends on the delicate balance of these two opposing activities. This has to be done and kept at a healthy balance. To live, humans must manage the polarity of oxygen vs. carbon dioxide (Pink, 2010). Leaders of businesses that manage polarities well outperform
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PLANNING AND TAKING ACTION Katina Stephens Kaplan University Planning and Taking Action Polarity management, has been defined as a style of supervising that tackles conflict resolution on unsolvable problems. It places pressure on the importance of recognizing that some situations don't have solutions. It shows a “varied way of understanding complex problems and simplifying them “offering a both/and perspective to the either/or viewpoint”. (Catalyst Training, 2012) It appears to try
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Discussion: Polarities 1. Provide an overview of polarities using at least three credible academic sources “Polarities are ongoing, chronic issues that are unavoidable and unsolvable. Attempting to address them with traditional problem solving skills only makes things worse. There is significant competitive advantage for those leaders, teams, or organizations that can distinguish between a problem to solve and a polarity to manage and are effective with both. (Johnson, 1998, p. 2).” “Polarity management
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SCH4U – The Chemistry of Covalent Bonding Date_____________________ Orbital Hybridization One of the most influential chemistry books ever written was The Nature of the Chemical Bond by Linus Pauling (1901-1994). Published in 1939, Pauling was awarded the Nobel Prize in 1954. Pauling received a second Nobel Prize for peace in 1962. Pauling made tremendous contributions to the field of chemistry, and was an outspoken activist against war and nuclear weapons. If you consider the energy
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daily needs.” Introduction: Water is known as the ‘universal solvent’ as it is capable of dissolving a variety of different substances and dissolves more substances than any other liquid. However the ability to be soluble depends on a substances polarity and bonding. This then contributes to the various ways that different types of chemicals interact in water. Solubility is crucial to every living thing on earth as water can carry along valuable chemicals, minerals, and nutrients necessary for
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CHEMICAL BONDS Chemical Bonds I. Introduction Chemical compounds are formed by the joining of two or more atoms. A stable compound occurs when the total energy of the combination has lower energy than the separated atoms. The bound state implies a net attractive force between the atoms called a chemical bond. The two extreme cases of chemical bonds are the covalent bonds and ionic bonds. Covalent bonds are bonds in which one or more pairs of electrons are shared by two atoms. Covalent bonds
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Science Assessment task Water as a solvent Part 1: Definitions A Amalgam- Amalgam is a substance formed by the reaction of mercury with another metal. Aqueous- Aqueous means "In a solution of water". An Aqueous solution is a solution in which water is the solvent. C Colloid- A colloid is a substance dispersed evenly throughout another substance. Concentrated- A large quantity of substance present in a unit amount of mixture. D Dilute- To dilute a liquid is to make it thinner or weaker
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Define the following terms and use them in your answers below. - Solubility: The greatest quantity of a solute that can be dissolved into a solvent - Soluble: When a substance can be dissolved into a solvent. Ex: sugar can be easily dissolved into coffee or tea. - Insoluble: When a substance cannot be dissolved into a solvent. Ex: oil cannot be dissolved into water. - Hydrophilic: Describes a substance that can easily be mixed or dissolved into water. Ex: salt - Hydrophobic: Describes
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Physical Properties Boiling point is less than 500 degrees Celsius Melting point is between 169.0 - 170.5 degrees Celsius Odorless and has a bitter taste A white crystalline powder Density is at 1.293 g/cm^3 State at room temperature= solid Soluble in organic solvents like methanol and ethanol Not very soluble in water and ethene Acetaminophen (Tylenol) C8H9NO2 Chemical Properties IUPAC: N-(4-hydroxyphenyl)acetamide Common Names: Paracetamol, Tylenol, Panadol, Tempera, APAP
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CHROMATOGRAPHY Chromatography (from Greek word Chroma means “color” and Graphein means “to write”) is the collective term used for the separation of the mixture. The mixture is dissolved in a fluid called the mobile phase, which carries it to another material known as the stationary phase. The separation is based on the speed of different constituents of the mixture and on the differential partition of the mobile and the stationary phase (web link7). Distribution or partition coefficient is the
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