Experiment 1: Study of Solubility Equilibrium Data Treatment and Analysis Section 1: Solubility Product Constant Temperature (˚C) | Volume of NaOH used (mL) | | | | Titration 1 | Titration 2 | Average | 28 | 12.7 | 12.8 | 12.75 | 9 | 10.5 | 10.5 | 10.5 | 19 | 11.3 | 11.2 | 11.25 | 40 | 16.2 | 16.2 | 16.2 | 50 | 22.8 | 22.9 | 22.85 | Table 1: The volume of NaOH used in the titration at various temperatures. No. of moles of KHC4H4O6 = 1.45 g ÷ 188.177g/mol = 7.71 x 10-3mol
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Oh Mary: A moving narrative about my deceased grandmother‚ Mary. Losing a best friend is the worst kind of feeling in a lifetime‚ is it not? On September 28th‚ 2008 I had lost my grandma due to cervical cancer. Her name was Mary Theresa Hammond and she was seventy-three years old when she had passed away. She was the only person in my life who loved me‚ cared about me‚ and understood me and much as she did. Nobody has ever been closer to my heart than she once was. The relationship between us was
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OH DEER Tatiana García-Menocal David Ruiz Period: 5 Problem statement: How will recourse availability affect the population of a species in an ecosystem? Materials: Open space Over 20 people Hypothesis: if the resources are not enough for the population the species will decrease and so will the predators. Procedures: 1. Obtain a number 1-4 from your teachers. 2. Deer= 1 3. Resources= 2‚3‚4 4. The deer will be on one side of the open space and the resources will
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utilized. These objectives include: 1. Analyzing history provided in Chapter 9 from its perspective‚ explaining the relationship it provides on questions‚ issues‚ and positions as it relates to the areas of literature‚ psychology‚ and sociology. 2. Compare/contrast among history‚ literature‚ psychology‚ in terms of the central concern‚ values‚ approaches‚ and the connection they share with the community. 3. Synthesize diverse perspectives to achieve a multi-academic understanding. 4.
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College of Arts and Sciences Visayas State University Name: Almera P. Padolina Course & Year: BS Chem 2 Date Performed: July 24‚ 2012 Date Submitted: August 6‚ 2012 Experiment No. 4 Solubility Equilibrium- Common Ion Effect INTRODUCTION: The common ion effect is another example of Le Châtelier ’s Principle in action.The common ion effect tells us that the solubility of an ionic compound is decreased by the addition
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CHM 096 TUTORIAL 2 (Chemical Equilibrium) Jan 2013 1. Write the equilibrium constant expression‚ Kc‚ for each of the following reactions: a) b) c) d) e) f) 2NO(g) + O2(g) ⇄ 2NO2(g) The decomposition of solid potassium chlorate to solid potassium chloride and oxygen gas. 4HCl(g) + O2(g) ⇄ 2H2O(g) + 2Cl2(g) 2NO2(g) + 7H2(g) ⇄ 4H2O(l) + 2NH3(g) H2O(g) + C(s) ⇄ CO(g) + H2(g) The reduction of solid copper (II) oxide with hydrogen gas to produce copper metal and water at o 500 C. 2H2(g) + O2(g)
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A Successful Celebration of CAS Week February 11-15‚ 2013‚ CAS week was held. Every society had their own booth. There was also a mini “perya” which was prepared by the Supreme Student Council (SSC). Every student was so excited about it‚ most especially the CAS students. The event was open not only for the students of the said department but for every student‚ faculty and staffs of the university who wants to witness the long week celebration of the CAS department. Everyone enjoyed and visited
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CAS Reflections Tyler Wagner B3 In our first semester of school for our cas hours I have chosen to do creative. In doing creative I have chosen to play guitar. My instructor that taught me to play some guitar was my brother Ryan Wagner. He is 19 years old when he was about my age my uncle gave him a guitar so he thought he might as well learn and I wanted to learn to so he taught me a few things. When I chose this I was excepting to be a master at guitar when I was done
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The Equilibrium Constant of an Ester Hydrolysis Reaction CHM 152LL Section 33263 March 28‚ 2014 John Weide Abstract: The purpose if this experiment is to determine the equilibrium constant of an unknown alcohol. In this experiment unknown alcohol number three and unknown ester number three were used. The equilibrium constant was found by titrating a series of reactions containing H2O‚ HCl‚ and the unknown ester with only the last solution containing the unknown alcohol
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SPECIAL SENSES AUDITION & EQUILIBRIUM Chapter 15 HEARING • Textbook: Pages 570-579 • Review Questions: #19-23 EQUILIBRIUM • Textbook: Pages 580-583 • Review Questions: #24-25‚ 29 THE EAR – AUDITION & EQUILIBRIUM • Outer‚ Middle‚ Inner – Outer + middle: hearing structures – Inner: hearing + equilibrium structures • Audition – sound vibrations move fluids to stimulate hearing receptors • Equilibrium – head movements disturb fluids surrounding equilibrium receptors Figure 15.24a Structure of
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