Aqueous Acid/Base Chemistry Resources: Harris ‘Quantitative Chemical Analysis’ Review: Pure water has a pH = 7 Autodissociation: H2O (( H3O+ + OH- K = [H3O+][OH-]/[H2O] -log[H3O+] = 7 [H3O+] = 10-7 M = [OH-] [H2O] = 55.56 M K = 1.8 x 10-16 ; pKa = 15.74 pKa is the acid dissociation constant; low pKa (strong acid‚ high pKa (weak acid we can also write Kw = [H3O+][OH-] Kw = 10-14 In water‚ pH + pOH = 14 pH scale Strong
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Review Sheet Exercise 10 Acid/Base Balance NAME 1. Match each of the definitions in Column A with the appropriate description in Column B. Column A Column B F 1. pH E 2. acid D 3. base A 4. acidosis B 5. alkalosis C 6. carbon dioxide a. condition in which the human body’s pH levels fall below 7.35 b. condition in which the human body’s pH levels rise above 7.45 c. mixes with water in the blood to form
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| | |Strategic Pay Plans | | | |Lecture Outline | | | |Strategic Overview |In Brief: This chapter covers the basics of compensation.| | |Determining Pay Rates
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BASE ISOLATED BUILDINGS What is base isolation? When a building is built away (isolated) from the ground‚ resting on flexible bearings or pads known as base isolators. It is of the most popular means of protecting a structure against earthquake forces. HISTORY The first evidence of architects using the principle of base isolation for earthquake protection was discovered in Pasargadae. One of the world’s first base-isolated structures – the William Clayton building Base Isolation
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An important task of marketing research is the evaluation of the effectiveness and efficiency of marketing activities. Management companies require marketers increasingly rigorous reporting and substantiation of expenses. Tired of the high and steadily increasing marketing costs‚ executives are naming the following as marketing : failed new products and failed advertising campaigns‚ too many phone calls and expensive campaign that are created to stimulate sales but fail to do so. Marketing research
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In traditional monarchies the king held power and his wife provided heirs. Defying this tradition are queens regnant‚ queens in their own right who hold the same power as a king. Some of the most notable rulers in history hold this title. They‚ unlike their male counterparts‚ are more determined to be remembered. Elizabeth I‚ Catherine the Great‚ and Victoria are exemplary female monarchs who broke tradition. For Elizabeth‚ Queen Regnant was unchartered territory. There had only been three reigning
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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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DESIGNING A PAY PLAN STRUCTURE ESTABLISHING A COMPENSATION PHILOSOPHY The first step in designing a pay structure is to establish/identify an organization’s compensation philosophy. During this phase of the design‚ it is determined where within the market the organization wants to position itself‚ i.e.‚ at market‚ as a leader in the market or lagging the market. Once this decision has been made‚ range penetration strategies must be determined. This phase of the plan design deals with how an
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IBAN TRADITIONAL CLOTHING AND ATTIRE SIRAT : THE FORGOTTEN IBAN ATTIRE The loincloths was once of the most basic markers of cultural identity‚ is now distinctively ignored among modern Ibans. Even the so called expert such as the anthropologists give a word or two regarding it‚ then pass on to other matters. The writers on customs seems to forgot the topics altogether. For as the Dutchman Karl Martin said of the Sulawesi loincloth a hundred years ago‚ “once it’s on it’s hard to figure out how
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have the same job descriptions and titles so there should not be differences in their pay. Sue can not quite understand why he received two when she only received one. She has seen him numerous times being tardy for work or calling in sick. She knows she is a better worker and is more efficient. Sue recently took a human resource class at Buffalo State College and she remembers learning about a law regarding equal pay. She can ’t seem to recall the specifics‚ so she is determined to look into it further
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