LAB 6. ACIDS AND BASES: PH AND BUFFERS PURPOSE: To determine the pH of common acids and bases using a pH meter‚ pH paper‚ and red cabbage indicator. To test the effect of adding an acid or base to a buffer solution. SAFETY CONCERNS: Always wear safety goggles. Wash with soap and water if skin contacts acids or bases. ACIDS: An Acid is a substance that when dissolved in water will produce hydrogen ions‚ H+‚ in the solution. An acid that does not contain carbon is called an inorganic
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Daniel Ahn The Genius of Walt Whitman One of America’s greatest poets in history‚ Walt Whitman‚ wrote the masterpiece “When Lilacs Last in the Dooryard Bloom’d” which is a literary masterpiece that showcases sincere and genuine feeling through his facility of words. Whitman utilizes certain words to enhance his diction to create a somber yet hopeful tone and parallelism to create a more melodious elegy that has lasted through the centuries. Whitman uses his diction to create a dark melancholy
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urinary tract infection (UTI). Sometimes you’re told to drink cranberry juice to help prevent or treat a UTI. Just what is so special about drinking that juice? Is the juice made from magic berries? There are only three fruits that are native to North America: American cranberry (Vaccinium macrocarpon)‚ blueberry (Vaccinium angustifolia) and bilberry (Vaccinium myrtillus). It was first thought that by drinking cranberry juice your urine became more acidic‚ which would kind of have an “antibacterial
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Suggested time allotment: 5 to 6 hours MODULE 2 ACIDS AND BASES In Module 1‚ you identified common properties of solutions using different methods. You learned how to report the amount of the components in a given volume of solution. You also found out that not all solutions are liquid. Some of them are solids and others are gases. Towards the end of the module‚ you investigated the factors that affect how fast a solid dissolves in water. Most of the solutions you studied in Module 1
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Acid Property #1: The word acid comes from the Latin word acere‚ which means "sour." All acids taste sour. Well known from ancient times were vinegar‚ sour milk and lemon juice. Aspirin (scientific name: acetylsalicylic acid) tastes sour if you don’t swallow it fast enough. Other languages derive their word for acid from the meaning of sour. So‚ in France‚ we have acide. In Germany‚ we have säure from saure and in Russia‚ kislota from kisly. Base Property #1: The word "base" has a more complex
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Zero© Ice-cream Juice Bar Enterprise Project Lecturer: Tom Colon 29/03/2013 Students: Ramyar Assad‚ Jinghua Sun Content 1. Executive Summary 2. Description of Business 3. Market Research/ Analysis 4. Marketing Plan 5. Production/Operations Plan 6. Human Resources & Organisational Structure 7. Financial Plan 8. Start-Up Schedule 9. Appendices 10. Bibliography Executive Summary The business which is going to be
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Fresh versus Bland I’ll never forget the time when I tasted produce from the fresh side like it came fresh picked out of the garden then compared to the taste of a canned produce that could have been sitting in a can full of water and oil for who knows how long. The look was simply unappealing to the limp‚ dull and soggy vegetable compared to the vibrant color‚ and crisp texture and overall taste of a fresh one. Eating is an activity that we as humans do at least two times a day. We live in a world
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Citric Acid Names of chemical substance- Chemical formula: C6H8O7. Elements present in citric acid are; carbon‚ hydrogen and oxygen. Bonding- All the elements in citric acid are non-metals. Citric acid has a covalent bond type. History- in the 8th century jabir ibn hayyar a Persian alchemist was credited with the discovery of citric acid. in 1784 the separation of citric acid from citrus fruits occurred when Swedish chemist Carl Wilhelm Scheele separated citric acid from lemon juice. The next
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Fresh Foods versus Canned Foods Eating is an activity that we as humans do at least two times a day. We live in a world where the variety of food is immense‚ and we are responsible for what we eat. We decide what we are about to eat and how it will affect our bodies. However‚ each food differs from one to another. For example are the fresh food and the canned food. Fresh foods and canned foods are two kinds of different types of food that have their own benefits and disadvantages. The most notable
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Naked Juice What are the attributes and benefits of your product/service? How do they relate to your target market? BUSI-520 What are the attributes and benefits of your product/service? How do they relate to your target market? When presenting the organic juices to consumers‚ Naked Juice truly understand how to use the benefit-based segmentation to distinguish the needs and benefits of its consumers. It is essential for a company to
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