Acids And BAses Acids And BAses 8.1 8.2 8.3 8.4 18.1 18.2 18.3 18.4 18.5 Theories of acids and bases Properties of acids and bases Strong and weak acids & bases The pH scale Calculations involving acids and bases (AHL) Buffer solutions (AHL) Salt hydrolysis (AHL) Acid-base titrations (AHL) Indicators (AHL) 8 8.1 THeORies OF Acids And BAses 8.1.1 Define acids and bases according to the Brønsted–Lowry and Lewis theories. 8.1.2 Deduce whether or not a species could act as a Brønsted–Lowry
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POWER. The most important and unyielding condition of management isn’t human relations‚ communication skills or employee empowerment‚ but power. POWER. Defined as the ability to influence and produce a desired effect on other individuals without having one’s own behavior modified in any undesired way by other individuals. On one hand‚ some people view power as being limited in amount‚ kind of like a pie‚ with constant conflict about who gets the largest slice. On the other hand‚ people view it as
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Science-104 Question: Does different types of water affect how high a plant will grow? Golden pothos‚ also known as devil’s ivy‚ is an ideal houseplant; it’s attractive‚ hardy‚ tolerant of many lighting conditions but fond of low light‚ fast-growing‚ pest-repellent‚ safe around children and pets‚ and almost impossible to kill. The golden pothos vine is one of the most popular and dependable houseplants available today. These plants grow to giant proportions in their native habitats. Their mature
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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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“The Private Life of Plants: Traveling” was a useful documentary to help clarify my understanding on how plants manage to spread their seeds and germinate. I enjoyed watching the different time lapses for the species of plants and it helped me to see exactly what happens rather than reading it in a book or seeing a simple picture. I was amazed at all the different mechanisms plants used to travel around and not stick to just one area. I did not expect the pointy spines of plants to allow them to grip
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Faces in AAP: From the initial anger on the street to the anger that propelled the AAP into power‚ upsurges in urban India are no longer confined to the middle classes; these have become multi-class. Though the primary activist base remains middle class (IT and management professionals‚ rights activists‚ teachers‚ students in universities)‚ it has grown exponentially to include the lower middle class (urban poor‚ and working class auto rickshaw drivers‚ railway employees‚ tea
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English I: Lord of the Flies Static and Dynamic Characters Static Character: A character in a literary work who does not change during the course of the story. Dynamic Character: A character who changes during the course of a literary work. The changes dynamic characters undergo affect their attitudes and beliefs. Directions: Looking back over the first five chapters of Lord of the Flies‚ find at least one quotation in each chapter that gives an indication of that character’s personality
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LEAVES BIODIVERSITY HOTSPOTS? A. ELIZABETH ARNOLD1 AND F. LUTZONI Department of Biology‚ Duke University‚ Durham‚ North Carolina 27708 USA Abstract. Fungal endophytes are found in asymptomatic photosynthetic tissues of all major lineages of land plants. The ubiquity of these cryptic symbionts is clear‚ but the scale of their diversity‚ host range‚ and geographic distributions are unknown. To explore the putative hyperdiversity of tropical leaf endophytes‚ we compared endophyte communities along
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1. Variable Cost = 125.35 + 62.54 + 13.11 + 1.06 = $202.06/Unit Fixed Cost = $729‚000/Month Revenue = 41‚240/200 = $206.20/Unit Contribution Margin = 206.20-202.06 = $4.14/Unit Break Even = 729‚000/4.14 = 176‚086.96 Units 17‚087 iPhone 4’s 2. Total Expected Cost/Unit = 41‚140‚000/200‚000 = $205.70/Unit Actual Cost/Unit = 38‚148‚000/180‚000 = $211.93/Unit 3. | Flexible Budget | Actual | Variance | # Of units | 180‚000 | 180‚000 | N/A | Revenue | 37‚116 | 37‚476 | 360 F |
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fluence th e consumption pattern s as th e measur ement par ameter s and found that VAT has been effective but not efficient. The study r ecommended (amon g other s) that tax auth orities sh ould be r ecord/pr oprietar y-con scious su ch th at the cost ( bud get) of the collection machinery and a tar get amount payable to the gover n ment should be cover ed by th e expected r evenu e to be gener ated. . © Emerging Academy Resources
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