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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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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SELF ORIENTATION PROGRAMME JANUARY 2013 Introduction to the Arts in France FRENCH CULTURE AND CIVILISATION A very rich cultural heritage Architecture Literature Music Painting/Sculpture Cinema Architecture From vestiges of Roman Roman amphitheatres still in use today Lyon (Fourvière) Orange buildings e.g. many 2000 years old Roman amphithéâtres still in use today To ultra modern designs such as the Centre Pompidou in Metz Cathedrals Notre Dame de
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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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INTERNAL USE ONLY BILL FRENCH Bill French picked up the phone and called his boss‚ Wes Davidson‚ controller of DuoProducts Corporation. “Wes‚ I’m all set for the meeting this afternoon. I’ve put together a set of break-even statements that should really make people sit up and take notice – and I think they’ll be able to understand them‚ too.” After a brief conversation‚ French concluded the call and turned to his charts for one last checkout before the meeting. French had been hired six months
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The Raven is a short poem about his wife’s passing‚ and how depressed edgar was. The raven enters the room‚ and the speaker thinks it’s a angle‚that will help im feels better about the lost of his life. The raven can only say one word “nevermore”. The speaker is confused‚ what does nevermore mean? It could possibly a sign to move on. On September 23rd edgar
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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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The French Constitution: France is a republic; the institutions of governance of France are defined by theConstitution‚ more specifically by the current constitution‚ being that of the Fifth Republic. The Constitution has been modified several times since the start of the Fifth Republic‚ most recently in July 2008‚ when the French "Congress" (A joint convention of the two chambers of Parliament) approved - by 1 vote over the 60% majority required - constitutional changes proposed by President Sarkozy
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FRENCH WINES INTRODUCTION:- French wine is produced in several regions throughout France‚ in quantities between 50 and 60 million hectolitres per year (7 to 8 billion bottles). France has the world ’s second-largest total vineyard area and competes with Italy for the position of having the world ’s largest wine production. The wines produced today range from expensive high-end wines sold internationally‚ to more modest wines usually only seen within France.
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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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