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Part B: Enthalpy change calculations Run 1 Run 2 Initial temperature of solution (°C) 20.2 20.9 Maximum temperature of solution (*C) 41.9 42.6 Maximum temperature change for reaction ("C) 21.7 21.7 Mass of weighing paper and Mg (g) 0.8284 0.8668 Mass of weighing paper (g) 0.3304 0.3587 0.498 0.5081 Mass of Mg (g) Volume of HCI solution (mL) 51.9 49.3 Volume of water (mL) 48.8 50.4 Total mass of final solution (g) (mass of HCI, H20, and Mg) assume 2 M HCI has a density of 1.03 and water has a density of 1.00 g/mL

Part B: Enthalpy change calculations Run 1 Run 2 Initial temperature of solution (°C) 20.2 20.9 Maximum temperature of solution (*C) 41.9 42.6 Maximum temperature change for reaction ("C) 21.7 21.7 Mass of weighing paper and Mg (g) 0.8284 0.8668 Mass of weighing paper (g) 0.3304 0.3587 0.498 0.5081 Mass of Mg (g) Volume of HCI solution (mL) 51.9 49.3 Volume of water (mL) 48.8 50.4 Total mass of final solution (g) (mass of HCI, H20, and Mg) assume 2 M HCI has a density of 1.03 and water has a density of 1.00 g/mL

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Part B: Enthalpy change calculations Run 1 Run 2 Initial temperature of solution (*C) 20.2 20.9 Maximum temperature of solution (°C) 41.9 42.6 Maximum temperature change for reaction (°C) 21.7 21.7 Mass of weighing paper and Mg (g) 0.8284 0.8668 Mass of weighing paper (g) 0.3587 0.3304 0.498 0.5081 Mass of Mg (g) Volume of HCI solution (mL) 51.9 49.3 Volume of water (mL) 48.8 50.4 Total mass of final solution (g) (mass of HCI, H20, and Mg) assume 2 M HCI has a density of 1.03 and water has a density of 1.00 g/mL
Transcribed Image Text:Part B: Enthalpy change calculations Run 1 Run 2 Initial temperature of solution (*C) 20.2 20.9 Maximum temperature of solution (°C) 41.9 42.6 Maximum temperature change for reaction (°C) 21.7 21.7 Mass of weighing paper and Mg (g) 0.8284 0.8668 Mass of weighing paper (g) 0.3587 0.3304 0.498 0.5081 Mass of Mg (g) Volume of HCI solution (mL) 51.9 49.3 Volume of water (mL) 48.8 50.4 Total mass of final solution (g) (mass of HCI, H20, and Mg) assume 2 M HCI has a density of 1.03 and water has a density of 1.00 g/mL
Heat required to raise solution to maximum temperature (J) assume the solution has a heat capacity of 3.97 J/(g-°C) Heat required to raise calorimeter to maximum temperature (J) using the average heat capacity calculated in part A Total heat evolved by the reaction (J) Moles of Mg (mol) Heat evolved per mole of Mg (J/mol) Enthalpy change for reaction (J) Average enthalpy (J)
Transcribed Image Text:Heat required to raise solution to maximum temperature (J) assume the solution has a heat capacity of 3.97 J/(g-°C) Heat required to raise calorimeter to maximum temperature (J) using the average heat capacity calculated in part A Total heat evolved by the reaction (J) Moles of Mg (mol) Heat evolved per mole of Mg (J/mol) Enthalpy change for reaction (J) Average enthalpy (J)
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