EXTRACTION OF BENZOIC ACID‚ 2-NAPHTHOL‚ AND NAPHTHALENE FROM UNKNOWN SAMPLE # 131 Douglas G. Balmer (T.A. Mike Hall) Dr. Dailey Submitted 11 July 2007 Introduction: The purpose of this experiment was to separate a sample of benzoic acid‚ 2- naphthol‚ and naphthalene of unknown proportions using a two-base extraction method. The three components of the mixture will react differently to sodium bicarbonate and sodium hydroxide because each of the bases’ conjugate acids has a different pKa. The
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The Red Pony by author John Steinbeck is a very notable book for young adults. The central and recurring theme of the four stories told within this short novel is life and death. The stories also deal with conflict between old and new. Unlike most novels for young adults this book is different because John Steinbeck does not try to soften or hide old age and death‚ but instead presents these themes as they are in reality. The stories tell how the main character‚ Jody Tiflin‚ becomes more responsible
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one chain restaurant that is all over the country in hundreds of cities big and small. That restaurant is Red Lobster‚ the largest full- service seafood restaurant chain in the USA; I will be analyzing and reviewing this restaurant. Although Red Lobster might be far from where you live; but their customer service‚ amazing atmosphere and delicious seafood is worth the trip. One thing about Red Lobster the prices could be high‚ but they treat you well. Waiters come back to your table constantly and
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Jessica Holifield Mrs. Walker English IV 24 August 2012 “The Red Wheelbarrow” “The Red Wheelbarrow‚” by William Carlos Wiliams‚ is a very short poem‚ consisting of four stanzas. Each stanza has two lines and a total of four words. There are three words on the first line and one word on the second line in each of the four stanzas. “The Red Wheelbarrow” has no apparent rhyme pattern; however‚ there are several other literary devices found in Williams’ poem. One literary device Williams uses
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For my project‚ I had to create my own acid-base indicator and find out what happens when it is placed in an acidic solution (vinegar) and a basic solution (dissolved baking soda). I chose my indicator to be a fruit because fruits can be very effective at determining how acidic or basic a substance is. My fruit was a blueberry‚ but I couldn’t use raw blueberries because it’s not going to give me the best results. I had to make blueberry juice. I did this by placing several blueberries in a blender
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at 1 M (10 mL per run) • 110 mL of NaOH at 0.5 M (10 mL per run) • 220 mL of Acetic Acid at 50% (10 mL per run). • Vernier Temperature Probe. • Erlenmeyer Flask 200 mL. • Graduated Cylinder 25 mL. • Charged Computer with LoggerPro. Method: I gathered all my materials along with obtaining a lab coat‚ safety glasses‚
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Not everyone is a tech enthusiast. Thus‚ the ultimate decision between a Mac and PC can be overshadowed by the constant rivalry between Apple and Microsoft. The truth is that Macs and PCs are very different‚ but similar at the same time. However‚ one of these systems will fit a person’s needs and wants better than the other one. When any person or company in the world is in the process of buying new computers or laptops for personal‚ school‚ or office use‚ they might not know which system to buy
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Experiment #5: Acid Burn!!! Introduction The goal of this lab was to correctly prepare a 0.2M solution of NaOH‚ identify highly acidic household cleaning chemicals‚ and determine their concentration (molarity) through titrations using the previously prepared 0.2M NaOH solution. Experimental First‚ to create 0.5L of 0.2M solution of NaOH‚ standard 3M NaOH solution was obtained. Next‚ calculations were performed to determine the amount 3M NaOH necessary to create 0.5L of the 0.2M solution and‚ as
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lower temperatures. (E) All of these statements are false. 4. Commercial concentrated sulfuric acid is 98.0 % by mass H2SO4 and has a density of 1.84 g/mL. Calculate the molarity of concentrated sulfuric acid. (A) 0.184 M (B) 9.20 M (C) 10.0 M (D) 15.6 M (E) 18.4 M 5. The activation energy of a reaction is 37.6 kJ/mol and the rate constant is 5.4 x 10-3 s-1 at 45°C. What is the rate constant at 145°C? (A) 0.16 (B) 5.4 x 10-3 (C) 8.4 x 10-3 (D) 0.38 (E) 0.56 6. Which of the
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Red Flag 1 Although the revenue on snack food decreases every year‚ the cost of goods sold increases every year. The costs of these snacks purchased from vendors are increasing while the prices they are sold for in the gift shop remain the same. The gift shop should raise the price on the snacks sold. As an alternative‚ the gift shop could seek to purchase these snacks for cheaper from another vendor. Ultimately‚ the prices should be raised enough to cover the cost to buy them produce a profit
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