Bases are substances that are in aqueous solution‚ are slippery to the touch‚ taste bitter‚ change the color of indicators Examples turn red litmus paper blue and react with acids to form salts‚ promote certain chemical reactions. General properties of a base are Concentrated or strong bases and are caustic on organic matter and react violently with acidic substances. Also bases can are bitter in taste. And the pH of a basic solution at standard conditions is greater than seven. Strong bases are
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Acid-Base Titration Objectives: 1. To titrate a hydrochloric acid solution of unknown concentration with standardized 0.10M sodium hydroxide. 2. To utilize the titration data to calculate the molarity of the hydrochloric acid. Materials: See handout for more info. Procedure: See handout for more info. Data and Calculations: Table 1: Volume of NaOH Required to Neutralize 10.00mL of Unknown HCl Molarity of NaOh | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Initial Volume of NaOH(mL)
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revolution. In 1991‚ five freshmen from the University of Michigan brashly stepped over that line redefining the world of college basketball as we knew it and in the process‚ revolutionized the relationship between style and sport. These men were "fresh" in more ways than one‚ causing an entire nation to dub them fabulous. They brought a hip and a hop to a game that was previously flat. Anyone following college basketball loved or hated to love the "Fab Five‚" evincing that either way five things were on
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The virtual manipulative that I ended up exploring was base blocks. The main goal of this virtual manipulative was to show students a number and have them express it through the base blocks. This manipulative ending up working better in some regards when compared to a concrete manipulative. One reason that it worked better is that it automatically checks your answer once the student has made it to the number presented‚ which cannot be done by concrete manipulatives. Another reason that it works better
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Period: 4 Strong Acid and Weak Base Lab PURPOSE: To find the molarity of an unknown acidic acid. MATERIALS: 1. 250 mL beaker 2. 10 mL graduated cylinder 3. 50 mL beaker 4. Funnel 5. 125 mL Erlenmeyer flask 6. 50 mL buret 7. Ring stand 8. Strong acid 9. Weak base 10. Phenolphthalein 11. De-ionized water. PROCEDURES: 1. Fill the buret with a weak base and place it in the ring stand. 2. Fill the 50 mL beaker with
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Elements of Power (Slide 4) Power is fundamental‚ and it comes from many sources‚ such as intelligence‚ money‚ information‚ and hard work. Bertrand Russell said that power is just as fundamental a concept in social science as energy is in physics. Although people often speak of power as a bad thing‚ it is neither good nor bad by itself. Rather‚ it is the way we use power that determines whether it is harmful or beneficial. For that reason‚ aspiring leaders must be fully aware of power and its
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ACIDS & BASES Acids/Bases Basics Acids and bases are common solutions that exist everywhere. Almost every liquid that we encounter in our daily lives consists of acidic and basic properties‚ with the exception of water. They have completely different properties and are able to neutralize to form H2O‚ which will be discussed later in a subsection. The table below compares the different properties between them: pH Scale Since acids increase the amount of H+ ions present and bases increase
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The French and Indian War Like the Great Awakening‚ the struggle between England and France for New World empires also helped prepare the colonists for independence. While the English esablished colonies on the Atlantic seaboard‚ the French built a profitable fur trade with the Indians farther inland. As French colonists moving south from Canada met English colonists moving west of the Appalachians‚ the two groups lashed in the Ohio Valley. The conflict stemmed from rivalry over territory‚ fur
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French broom is an invasive plant that destroys the surrounding environment. Broom is described as an “upright‚ evergreen shrub‚ commonly to ten feet tall” (“Invasive Plants of California’s Wildland”). It is an invasive plant species‚ commonly found in numerous places in California‚ for example‚ the Bay Area. Broom is a noxious weed‚ especially in the states of Hawaii‚ Oregon‚ Washington State and California. Nowadays more people are recognizing how detrimental it can be to nature. In fact‚ there
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Demonstration Speech Outline “HOW TO FRENCH BRAID” General Purpose: To demonstrate Specific Purpose: To demonstrate to the audience how to french braid hair. Central Idea: It is useful to know how to french braid because it stretches its way beyond its initial heritage. I. Introduction A. Do you see things that you wish you could do‚ but look too complicated? Maybe if you tried it‚ it wouldn’t be so hard as it looks? Perhaps you saw a hair style that you wish you could try to do with your
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