Lab Experiment 8: Oxidation Puzzle Post Lab Report for 2-ethyl-1‚3-hexandiol Calculations Theoretical yield: 1.857g Product Yield: 1.055g ----> Percent yield = (1.055g/1.87g) x 100% = 56.41% Starting amount of diol: 1.184g ----> Percent Yield = (1.184g/1.87g) x 100% = 63.32% Spectroscopy O-H (Stretch‚ H-bonded) C-H (Stretch) C-H (2720-2820 cm-1) Carbonyl C-O (Stretch) Product wavelength cm-1 3422 Strong‚ Broad 2877‚2936‚2964 Strong‚ Medium None Present 1705 Strong
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fail to understand the long-term effects of trauma; therefore‚ they do not understand why the victim cannot move forward. When attempting to understand the question we must first consider people who dealt with similar situations such as Iraq war veterans. Why does one of the veterans return to normal functioning while the other one develops Post Traumatic Stress Disorder (PTSD)? Though there is no clear-cut reason the “physiological phenomena persist‚ traumatized people cannot tune out the repetitive
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The rate of reaction between sodium thiosulphate and hydrochloric acid Candidate name: Yeo Jin Kim (Kimberly Kim) Candidate number: 000791-021 Teacher: Yitao Duan 1.0 Aim The aim of this experiment is to investigate the changing of concentration effect the rate of reaction between sodium thiosulphate and hydrochloride. 2.1 Chemical Equation 2.0 Raw data 3.2 Qualitative Data 2.1.1 Before the experiment Substance | Color | State | Smell | Hydrochloride (HCl) | Colorless
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Determining the Ksp of Calcium Hydroxide by Titration of Saturated Ca(OH)2(aq) with HCl(aq) Abstract: Titration is a technique that has been used in this experiment to identify the Ksp value of calcium hydroxide in order to determine the extent to which the compound is soluble in water. A known volume of 50 mL of hydrochloric acid‚ a concentration of 0.05 M hydrochloric acid‚ a volume of 50 mL calcium hydroxide base‚ an unknown concentration
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rhetorical strategies does she use to make her point? Give examples of each. She asks herself rhetorical questions. She also uses compare and contrast. 13. In “ Only daughter‚” Sandra Cisneros describes the importance of her father’s support of and appreciation for her writing career. Compare and contrast the theme of family support described by Sandra Cisneros‚ Russell Baker (“The Saturday Evening Post”)‚ Tamala Edwards (“Multi-Colored Families”)‚ and/or Mary Pipher (“Beliefs About Families’). Which
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My topic was Post Merger Integration. Post merger integration is one of the methods used after merger and acquisition. It can help companies to increase their value after M&A has completed. When companies merge‚ high cost of synergies‚ related job cuts‚ fast decisions and clear statements are required. When PMI is carried out‚ a more relaxed transition can be made. Post-merger integration brings intangible and non-cash values after M&A has taken place. After M&A has occurred‚ companies
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Introduction In this lab‚ we experimented the effects of pH on the function of the enzyme catalase. Catalase is an enzyme that brings about the reaction by which hydrogen peroxide is decomposed to water and oxygen (Encyclopedia Britannica). The chemical reaction is shown as 2H2O2 = 2H2O + O2 (Keilin and Hartree 397). The reaction involves primarily the adsorption of hydrogen peroxide at the catalase surface. The decomposition of hydrogen peroxide by catalase is regarded as involving
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Post Modernism What Is Post Modernism? Post modernism is a complicated term or set of ideas‚ one that has only emerged as an area of academic study since the mid 1980s. Post modernism is hard to define. This is due to the fact that it is a concept that appears in a wide variety of disciplines and areas of study‚ including art‚ architecture‚ music‚ film‚ literature‚ sociology‚ communications‚ fashion‚ and technology. Historically‚ it is hard to locate as it’s not clear exactly when postmodernism
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Data collection Quantitative Data Raw Data Table 1: Table showing the mass of the amount of unknown acid X measured in grams (±0.001g) Table 2: Table of reading of the burette initially filled with 25mL of 0.201moldm-3 sodium hydroxide (NaOH) to titrate 25mL (±0.03mL) of unknown acid X in mL (±0.05mL) after each titre. Reading on the burette initially filled with 25mL of 0.201moldm-3 NaOH (±0.05mL) First titre 21.3 Second titre 18.2 Third titre 15.2 Fourth titre 12.0 Qualitative
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Post operative care There is a range of activities that nurses need to undertake when caring for postoperative patients. There are also specialist areas of surgery‚ e.g. bowel and thoracic surgery‚ which require more specific care and these are covered in Section 5. The patient is placed in the recovery room attached to theatre. The patients’ condition is assessed and he is nursed in the lateral recovery position to minimize risks of aspiration until fully conscious‚ when he can be transferred
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