Chemistry: Strong Acid and Weak Base Titration Lab Cherno Okafor Mr. Huang SCH4U7 November 21st‚ 2012 Data Collection and Processing Concentration of the standard HCl solution: 0.1 M Data Collection: | Trial 1 | Trial 2 | Trial 3 | Final HCl Buret Reading ± 0.05 mL | 38.3 | 45 | 54.5 | Initial HCl Buret Reading ± 0.05 mL | 29.9 | 38.3 | 45 | Volume of NaHCO3 used ± 0.1 mL | 9.2 | 9.5 | 9.8 | Qualitative Data: * I used the
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GENERAL OBJECTIVE: On completion of the seminar students will acquire in depth knowledge regarding gastroesophageal reflux disease‚ gain skills in identifying & managing the conditions and develop a positive attitude about nurse ’s role. SPECIFIC OBJECTIVES: On completion of seminar students will be able to * Define gastro oesophageal reflux disease * Enlist the risk factors for GERD * Explain the pathophysiology of GERD * List down clinical manifestations GERD * Describe
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test tube‚ and then the Ti is measured. Then‚ HCl is made to react with the base and then the Tf is measured. The net ionic equation of the neutralization reaction is show below. H+(aq) + OH-(aq) H2O(l) ∆H = -55.85KJ Using the data obtained (∆T) and the knowledge of the enthalpy of reaction of neutralization of an acid by a base‚ the CCal can be computed. Equation (1) is an application of the Law of Conservation of Energy‚ where the heat released
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LAPAROSOPIC SURGERY FOR GASTROESOPHAGEAL REFLUX DISEASE Gastroesophageal reflux is the most common gastrointestinal disorder of the western world. Gallup poles have elucidated that approximately 44 % of the adult population in the U.S. has some abnormal reflux of acidic gastric juices into the esophagus on a monthly basis. Roughly 10% of patients require daily acid suppression medication for relief of symptoms. GERD accounts for over 1.0 million out patient visits to physicians every year! Gastroesophageal
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point in a phenolphthalein titration is “a pale pink tint that persists for 30 seconds.” It took Dr. Sweeney 24mL of NaOH to reach his endpoint. 4. HClO4(aq) + NaOH(aq) NaClO4(aq) + H2O(l) 5. This is an acid-base reaction (neutralization reaction). Neutralization reactions involve the reaction of an acid with a base to form a salt. 6. M1V1 = M2V2 (24mL)(0.040M) = (M2)(20mL) (0.96 mL*M) = (M2)(20mL) (0.96 mL*M)/(20mL) = M2 M2 = 0.048M HClO4
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nothing but trouble. The teachers’ and community’s perception of the members of each gang has played a role in how the members of each gang’s lives have developed. When contrasting actions and behaviors‚ social reactions and consequences‚ and the neutralization tactics used by the two gangs‚ it is evident that the Labelling Theory effects how both gangs are treated differently as well as unjustly. The actions and behavior of the gang members of both the Saints and the Roughnecks are extremely
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Avoid wearing clothes that are too tight. Drugs to cure acid reflux or GERD: Antacid‚ Antacid can be bought at the pharmacy directly. Antasida functions to neutralize acid reflux. Not recommended to be consumed simultaneously with other medications because it can have an impact on the rate of absorption of other drugs. These drugs also
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mixture and the solvent‚ water. The heat flow associated with the reaction mixture is also equal to the enthalpy change. One of the simplest reactions that can be studied in solution occurs when a solid is dissolved in water. Same with the neutralization of HCl
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places with another element or radical in another compound.” (Webster). The other two pigments underwent a neutralization reaction‚ which is “A reaction between an acid and a base that yields a salt and water.” (Webster). In both types of reaction two substances are being combined to form a new solution. The metathesis reaction produces a solution and a precipitate‚ while the neutralization reactions produces a water‚ a salt‚ and even carbon dioxide. What precipitates during these reactions are deemed
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The terms of intertextual neutralization are the idea that a text “taken from other text‚ intersect and neutralize one another” (Kristeva‚ 1980‚ p.36). The creation of the new work of art will neutralize the matrix one in different motifs or images. John Berger (1972) points that‚ “An
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