Extraction of R’-NH2 For both of the organic acid and organic base extraction‚ the addition of the respective inorganic acid or inorganic base (HCl or NaOH) to the three-component mixture caused an immiscible appearance of the solution in the separatory funnel. By briskly shaking the separatory funnel with the mixed components created a build up of pressure which was released through the stopcock forming small disappearing bubbles within the tip of the separatory funnel. Once the funnel was placed
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18.1.4 – 18.1.6 CALCULATIONS INVOLVING ACIDS AND BASES Review of Important formulas pH = ‐ log10[H+] [H+] = 10‐pH pKa = ‐ log10 Ka Ka = 10‐pKa pOH = ‐ log10[OH‐] [OH‐] = 10‐pOH pKb = ‐ log10 Kb Kb = 10‐pKb The ionic product of water = Kw = [H+] x [OH‐] = 1.0 x 10‐14 mol2 dm‐6 at 298 K The expression varies with temperature
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Margaret Atwood’s collection of poems‚ Morning in the Burned House‚ could just as easily have employed morning’s homonym—mourning—in the title. The overriding theme of loss and some of its sources and consequences—aging‚ grief‚ death‚ depression‚ and anger—permeate this collection and‚ in particular‚ Section IV which is a series of elegiac poems about Atwood’s father. The collection is divided into five sections. Section I opens with the poem “You Come Back.” This poem seems to look back on a life
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Economic Base Description The county has a successful agricultural and manufacturing base holding a top 10 ranking in the state for a number of agricultural categories. The Capital Region International Airport is also located in the southern tier of Clinton County. A Clinton County Economic Alliance has been formed to promote the region as a great place to live and do business. The Clinton County Economic Alliance is a partnership of government and private sector organizations in Clinton County
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A Midwife’s Tale by Laurel Thatcher Ulrich tells the story of Martha Ballard; a midwife‚ healer‚ wife‚ mother‚ and eighteenth-century woman. In this book‚ the reader learns of this hardworking woman‚ the social web she lived in‚ and the workings of her town through personal accounts from the diarist and the author’s thorough analysis of them. Martha is a diligent woman who makes good use of her connections with the rest of the female community. She keeps up-to-date accounts of how her patients are
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Margaret Atwood’s poem The Landlady presents a depressing and frightening experience of one living in a rented room. The landlady is very much the dangerous gaoler of this prison‚ and one who specializes in oppression. The poem is striking in its use of language‚ including imagery‚ sounds‚ and rhythms‚ that vividly portray the feared landlady and the shrinking tenant. The comparison of the speaker’s living situation to that of a prison‚ a place of oppression‚ is the dominant thematic
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ACID/BASE You might need to know the following K values: CH3COOH Ka = 1.8 x 10–5 Benzoic Acid Ka = 6.5 x 10–5 HNO2 Ka = 4.5 x 10–4 NH3 Kb = 1.8 x 10–5 HF Ka = 7.2 x 10–4 H2S Ka = 5.7 x 10–8 HSO4– Ka = 1.2 x 10–2 HS– Ka = 1.2 x 10–13 HCOOH Ka = 1.8 x 10–4 HOCl Ka = 3.0 x 10–8 SIMPLE ACIDS AND BASES 1. According to the Brønsted–Lowry definition‚ which species can function both as an acid and as a base? (A) Cl– (B) SO42– (C) NH4+ (D) HCO3– (E) H3O+ 2. Which of the following
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What is that? Or…who is that? Oh gosh I think i’m going to stop the car should I? No I shouldn’t. Should I? No it’s too late now. Ugh! I’ve done it again. Once again welcome to the show titled what a terrible human being Margret Goldsmith is. He was just standing their on the side of the road‚ thumb up in the air and I drove right on by. He didn’t look threatening. Not really. Why did I do that. He probably just needed to get home to see his family. Maybe in order to support them he had to take a
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oblongata as well as airway obstruction may cause respiratory acidosis. 3. Explain how the renal system would compensate for respiratory acidosis. The kidneys regulate the amount of H+ ions and HCO 3- excreted in the urine which regulate acid base balance. A C T I V I T Y 3 Renal Responses to Respiratory Acidosis and Respiratory Alkalosis 1. Describe what happened to the concentration of ions in the urine when the PCO2 was lowered. How well did the results compare with your prediction
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and leftovers is a way of counting that same quantity. Counting plays a role in constructing base-ten ideas about quantity. Each approach helps children think about the quantities in a different way. Counting by one‚ is a primary way they can name
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