16-3 Red Cabbage Juice pH Indicator Sources: Prof. George Ewing’s C100 Demonstration Notes; Prof. Carolyn Huffman’s Fall ’93 C100 lecture; B. Z. Shakhashiri‚ 1989‚ Chemical Demonstrations: A Handbook for Teachers of Chemistry‚ vol. 3‚ pp 162-166. Description and Concept: Red cabbage juice will change to a variety of colors when added to solutions of various pH. Red cabbage juice is a pH indicator. Materials: red cabbage* blender hot or boiling water filter paper (coffee filters
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batter. Beat the egg whites until stiff peaks form‚ then gently fold the beaten whites into the batter andcook the pancakes immediately. 2. Or try replacing some or all of the liquid in your recipe with a carbonated beverage (plain or flavored seltzer water‚ beer‚ cider‚ ginger ale) to make your pancakes very light and tender. Add the carbonation just before you’re ready to pour the pancake batter on the griddle. 3. This next trick works with any batter that includes double-acting baking powder:
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Green Computing can computation advance sustainability? an exploration Launched 2009 Status Completed Participant Michael Halle‚ Brigham and Women’s Hospital and IIC Green Computing The IIC RepoRT • InITIaTIve In InnovaTIve CompuTIng aT haRvaRd‚ 2007–09 Selected accomplishments • Identified a number of faculty interested in translational research on the interface between computation and sustainability • Initiated discussions of how research computing might be organized to be more sustainable and
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The Coca Cola Company: Diversity and a Global Presence You do the Research: 1. I don’t think that Coke can stay up with changing tastes for non-cola drinks. I believe that Goizueta did have the right idea to develop new products‚ but Coke fell behind after some embarrassing problems within the company‚ such as the 1999 contamination scare‚ their slowing unit growth‚ ugly class action racial discrimination suit (which result in a $195.2 million settlement with 2000 employees)‚ and an aborted
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burns than boiling water‚ though both are at same temperature? 18. What is a dry ice and how is it prepared? 19. Describe an activity to show a change of state directly from solid to gaseous state taking the example of ammonium chloride. 20. Alka was making tea in a kettle .Suddenly she felt intense heat from the puff of steam gushing
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1 The Rural-Urban Divide Cities take up less than two percent of the Earth’s land surface‚ but are home to almost half of theworld’s population and utilize seventy-five percent of the Earth’s resources.In 1998 47 percent of the world’spopulation lived in cities as opposed to 29 percent in 1950.Globalization is leading to increased urbanization.According to the World Bank urban areas in developing countries account for an estimated 60 - 80 percent ofGDP.Urban populations mainly have greater access
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“Rain man”‚ an old and famous movie‚ is a road trip story about a selfish younger brother and an autistic older brother. In the movie‚ the older brother who had autism‚ Raymond‚ showed several autistic characteristics such as little emotional expressions or strict adherence to rules related to his everyday life. When the movie was released about thirty years ago‚ Autistic Spectrum Disorder(ASD) was not a familiar psychological disorder terminology and I had never heard of it before. However‚ recently
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and sugar is called syrup. A solution of sodium chloride (common table salt) in water is called brine. A sterilized specific concentration (0.15 molar) of sodium chloride in water is called saline. A solution of carbon dioxide in water is called seltzer‚ and a solution of ammonia gas in water is called ammonia water. A solution is said to be dilute if there is less of the solute. The process of adding more solvent to a solution or removing some of the solute is called diluting. A solution is said
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The Internet and public relations: Investigating practitioners’ roles and World Wide Web use Porter‚ L.‚ Sweetser Trammell‚ K.‚ Chung‚ D.‚ & Kim‚ E. (2007). Blog power: Examining the effects of practitioner blog use on power in public relations Seltzer‚ T.‚ & Mitrook‚ M. (2007). The dialogic potential of weblogs in relationship building Stephens‚ M. (2007). Beyond News. Columbia Journalism Review. [Electronic version] Taylor‚ M.‚ & Kent‚ M. (2007). Taxonomy of mediated crisis responses. Public
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Childhood Obesity America’s childhood obesity rate is at an all time high. Many adolescents are failing the standard for healthy eating habits‚ which is the reason for their obesity. As you may know‚ an excessive amount of saturated fat in a diet will lead to weight gain. The amount of overweight children aged 6 to 11 years has nearly tripled in the past 30 years‚ going from 7% to a shocking 18.8% (Krisberg). Obese children often struggle with physiological troubles‚ such as low self-esteem and
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