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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Her Kind The poem “Her Kind” by Anne Sexton brings attention to her readers from digging deep into the true meaning behind her imagery. Her poem is quiet but along with an intense emotion‚ it brings out most of what she truly felt in reality. Anne describes very descriptively three roles of women in society that are overlooked and judged constantly by the people around them. In Anne’s eyes‚ she makes us feel that as good of a person she can be‚ she’s always overlooked and misunderstood and she
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In 2004‚ Margaret Thatcher delivered a eulogy to honor Ronald Reagan during the time period that America had witnessed the 9/11 attack‚ the ongoing fight against terrorism‚ and the Iraq war. Margaret Thatcher‚ the former prime minister of Great Britian and good friend of Reagan’s‚ appealed to patriotism and nationalism‚ and used Reagan’s adversity‚ vision and accomplishments to urge the grieving American audience to recognize Raegan as an inspiring American example and as a dedicated leader.
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A MAJOR PROJECT ON CELL PHONE BASED VOTING MACHINE SUBMITTED IN THE PARTIAL FULFILLMENT OF REQUIRMENT FOR THE AWARD OF THE DEGREE OF BACHELOR OF TECHNOLOGY IN ELECTRONICS & COMMUNICATION ENGG. FROM KURUKSHETRA UNIVERSITY‚KURUKSHETRA SUBMITTED BY: GUIDED BY: NIKHIL (1705429) Prof. G.C. Lall HEMANT KUMAR (1705433) CO-GUIDED BY: PRIYANSHU CHAUHAN (1705439) Asstt. Prof. Vijay Lamba DEPTT. OF ELECTRONICS & COMMUNICATION ENGINEERING HARYANA COLLEGE OF TECHNOLOGY
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Anna Powell 2nd I.Title: Acid-Base Titrations AP Chemistry Laboratory #6 II.Purpose: The purpose of this experiment is to standardize a sodium hydroxide solution and use the standard solution to titrate an unknown solid acid. The equivalent mass of the solid acid will be determined from the volume of sodium hydroxide added at the equivalence point. The equilibrium constant‚ Ks‚ of the solid acid will be calculated from the titration curve obtained by plotting the pH of the solution versus
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Experiment Acids‚ Bases‚ and Neutrals Problem Are common house-hold products pH balanced and neutral? Information Gathered pH measures how acidic or alkaline a solution is. The pH scale ranges from 0-14. Solutions that range from 0-6 are considered to be acidic. Solutions that are on the acidic end of the scale are low in pH‚ high in hydrogen ion‚ and low in hydroxyl ions. An acid has a sour taste‚ hence‚ will react to metal and will be corrosive; therefore‚ they are considered as an electrolyte
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opposition at court in causing Wolsey’s fall from power in 1529? (24 marks) Wolsey had always caused resentment from the nobility‚ and this only grew as he became more dominant in Henry VIII’s government. Not only did nobles dislike him due to his low birth contrasted with his high positions‚ such as becoming Lord Chancellor in 1515‚ but resentment was also caused by his lavish lifestyle. Although opposition against him had got stronger throughout his career‚ this in itself was not significant enough
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Her Kind Anne Sexton was a profound poet and writer of her time‚ just as well as our time. Sexton used poetry as a gateway to express herself to people. Sexton’s work can be considered as an insight into being a woman. Poetry itself has be considered a way of relieving yourself of your emotions. Many poets have used the works to get a point across or just to inform. Take for instance the poem “Her Kind”. Look how it is detailed and self explanatory. Just reading a poem like this gives people insight
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Harrah’s Entertainment Inc. Questions: 1. What are the objectives of the various Data Base marketing programs and are they working? 2. Why is it important to use the “customer worth” in the DBM efforts rather than observed level of play? 3. How does Harrah’s integrate the various elements of its marketing strategy to deliver more than the results of Data Base marketing? 4. What is the sustainability of Harrah’s actions and strategy? 5. What are the privacy and ethical issues that Harrah’s
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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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