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PART 1: DATA [2 POINTS] Units: Molarity of HCl=1.000M Total: 120 PART 2: DATA ANALYSIS & QUeStIONS Note: It you make mistakes, you may give
PART 1: DATA [2 POINTS] Units: Molarity of HCl=1.000M Total: 120 PART 2: DATA ANALYSIS \& QUeStIONS Note: It you make mistakes, you may give the answers on your own paper. Make a note to this effect below and ensure your Graph for the Mg(s)+HCl(aq) experiment [1 point] Graph for the MBO(s)+HCl(aq) experiment [ 1 point] 1. Use the CRC handbook to find the standard enthalpy of formation of magnesium oxide, Hi, at 25.0C which equals the enthalpy of combustion of magnesium. [0.5 points] 601.6MF Haynes, w.M. Lide, David,R. RC HandGook of Chemistry and Physics. 92nd Edition. CRC Press. Vew Yncl 8. Explain why your graphs of temperature versus time exhibit an increase in temperature. Also explain why the temperature reaches a maximum and then steadily decreases. [2 points] 9. The experimental procedure states that 1.5g of magnesium oxide are required. Will the calculated value for the enthalpy of reaction, H2, (Question 5) be affected if you used 1.6g of magnesium oxide instead? Explain why or why not. [2 points] 0 . Explain why the reaction is performed inside a foam cup rather than in the usual glass beaker. How would your T and calculated H1 or H2 be affected if the reaction was performed in a beaker? [ 2 points]
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