MG 6303 SPRING 2015 THURSDAYS: Case Assignment Questions for Cases To be Downloaded by Students (Harvard Website: Instructions below) CASE # 1: Chapter # 2: Clayton Industries: Peter Arnell‚ Country Manager for Italy (#4199) Harvard Business Publishing. Questions for Analysis: DUE FEBRUARY 19‚ 2015 1. How would you grade Peter Arnell’s first two months as subsidiary general manager in Clayton SpA? 2. Which plan of action should Arnell recommend to Dan Briggs and Simonne Buis when they visit
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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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1. Gather all the equipments needed. 2. Measure 50ml of HCL in a 250 ml measuring cylinder and pour it into a flask‚ then measure 50ml of HCL again and pour it into the second flask. 3. Measure the 50ml of KOH in a measuring cylinder. Repeat it again in another measuring cylinder. 4. Attach both of the burette clamps to both of the burette stands and clamp the burette at a certain level so that it can fit a flask underneath. 5. Then‚ place a funnel on top of each burette. 6. Place a flask underneath
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anesthetic‚ also spelled anaesthetic ‚ any agent that produces a local or general loss of sensation‚ including pain. Anesthetics achieve this effect by acting on the brain or peripheral nervous system to suppress responses to sensory stimulation. The unresponsive state thus induced is known as anesthesia n anxiolytic (also antipanic or antianxiety agent[1]) is a drug used for the treatment of anxiety‚ and its related psychological and physical symptoms. Anxiolytics have been shown to be useful
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shown: Mg(s) + 2HCl(aq) > MgCl(aq) + H(g) Introduction: In this lab‚ a magnesium ribbon and HCl are combined in a gas measuring tube. When they are combined they form magnesium chloride and Hydrogen gas. The molar ratio between Mg reacted and H2 produced a 1:1. Thus the number of moles of H2 can be determined if the number of moles of Mg is found. The experimental volume of H2 is found in the experiment and by using the gas laws of both Boyle and Charles. The volume of H2 can
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Part A: Reaction #1A: Na2CO3(aq) + HCL(aq)(0.5m) H2CO3(g) + 2NaCl(l) H2O(l) + CO2(g) + 2NaCl(l) Observations: There was a formation of a gas and the liquid was clear. Reaction #2A: Na2CO3(aq) + NaCl(aq) Na2CO3(aq) + NaCl(aq) Observation: No reaction was observed. Reaction#3A: Na2CO3(aq) + CaCl2(aq) 2NaCl(aq) + CaCO3(s) Observations: The solution turned white and cloudy which is evidence that a perticipate was formed. Reaction #4A: NaOH(aq) + HCl(aq)(0.5m) H2O(l) + NaCl(aq) Observations:
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amount of HCl used is in excess in order to ensure that the magnesium reacts completely. Hence‚ the formation of the products ‚ MgCl and H2 are dependant on the amount of magnesium used. By comparing the amount of hydrogen gas produced with the amount of magnesium used‚ we are able to determine the value of X Apparatus Burette(50cm3)‚ pipette(25cm3)‚ retort stand‚ analytical balance‚ watch glass‚ beaker(500cm3)‚ gauze‚ funnel‚ glass rod‚ thermometer Materials Magnesium ribbon‚ 0.5M HCl Results Mass
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multiples 5. Check and recheck! • Practice balancing these equations • H2(g) + O2(g) → H2O • KCl + BaSO4 → K2SO4 + BaCl2 Types of Chemical Reactions • Combination /Direct Combinationsynthesis • 2Na(s) + Cl2(g) → 2 NaCl(s) Single Displacement • single substitution • anion always replaces anion • cation always replaces cation • Mg + 2 HCl → MgCl2 + H2 • Complete the following Single Displacement (formula is correct) Al + CuSO4
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Sean Healy Chemistry #1 Lab Milk of magnesia titration AimTo calculate the amount of Magnesium Hydroxide Mg(OH)2 in a 5ml teaspoon of Milk of Magnesia and compare this with the manufacturers stated valueHEALTH & SAFTEY lab coats‚ safety glasses‚ gloves Bags and coats were put to one side of the lab Caution was taken while handling chemicals the chemical were all placed on labelled A4 sheets PLANNING & PREPERATION The following equipment was gathered 250ml flask
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is the principle used for both parts of this experiment. In Part I of the experiment‚ two different reactions are performed to determine the enthalpy of formation for magnesium oxide. One reaction will involve only Mg‚ and the other will involve MgO – both will react with 1M HCl. Using the change in heat for both of these reactions‚ the enthalpies can be determined. With the use of Hess’s Law‚ the enthalpies of both reactions along with the enthalpy of water can be used to determine the enthalpy
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