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Mass of magnesium oxide used (g) Mass of inner cup and solution (g) Mass of empty inner cup (g) Mass of solution (g) Initial temperature of solution (°C) Temperature (°C) after 30 seconds 60 seconds 90 seconds 120 seconds 150 seconds 180 seconds Final temperature of solution (°C) Molar enthalpy of reaction (kJ mol¹) Average AH (kJ mol'¹) 3.210 52.456 4.623 21.4 26.4 27.1 28.2 28.2 28.1 28.0 3.010 52.050 4.623 21.0 25.7 26.4 27.7 28.5 28.5 28.5 2.890 53.000 4.500 20.0 24.8 24.8 24.9 24.6 24.5 24.4 2.910 53.000 4.500 20.0 23.7 23.8 24.0 24.2 24.4 24.6 Heat capacity of calorimeter (J/oC) Specific heat of solution (J/goC) NA 2.1 4.17

Mass of magnesium oxide used (g) Mass of inner cup and solution (g) Mass of empty inner cup (g) Mass of solution (g) Initial temperature of solution (°C) Temperature (°C) after 30 seconds 60 seconds 90 seconds 120 seconds 150 seconds 180 seconds Final temperature of solution (°C) Molar enthalpy of reaction (kJ mol¹) Average AH (kJ mol'¹) 3.210 52.456 4.623 21.4 26.4 27.1 28.2 28.2 28.1 28.0 3.010 52.050 4.623 21.0 25.7 26.4 27.7 28.5 28.5 28.5 2.890 53.000 4.500 20.0 24.8 24.8 24.9 24.6 24.5 24.4 2.910 53.000 4.500 20.0 23.7 23.8 24.0 24.2 24.4 24.6 Heat capacity of calorimeter (J/oC) Specific heat of solution (J/goC) NA 2.1 4.17

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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FILL ALL TABLE AND SHOW CALCULATION IF ANY DATA REQURIED TAKE ANY EXPERIMENTAL DATA

Part B. Enthalpy Change (HCI - MgO) Mass of beaker and MgO (g) Mass of empty beaker (g) Mass of magnesium oxide used (g) Mass of inner cup and solution (g) Mass of empty inner cup (g) Mass of solution (g) Initial temperature of solution (°C) Temperature (°C) after 30 seconds 60 seconds 90 seconds 120 seconds 150 seconds 180 seconds Final temperature of solution (°C) Molar enthalpy of reaction (kJ mol¹) Average AH (kJ mol¹) Experimental AH for the reverse reaction A Trial 1 3.210 52.456 4.623 21.4 26.4 27.1 28.2 28.2 28.1 28.0 Trial 2 3.010 52.050 4.623 21.0 25.7 26.4 27.7 28.5 28.5 28.5 Trial 3 2.890 53.000 4.500 20.0 24.8 24.8 24.9 24.6 24.5 24.4 Trial 4 2.910 53.000 4.500 20.0 23.7 23.8 24.0 24.2 24.4 24.6 Heat capacity of calorimeter (J/oC) Specific heat of solution (J/goC) Activate Windows 2.1 4.17
Transcribed Image Text:Part B. Enthalpy Change (HCI - MgO) Mass of beaker and MgO (g) Mass of empty beaker (g) Mass of magnesium oxide used (g) Mass of inner cup and solution (g) Mass of empty inner cup (g) Mass of solution (g) Initial temperature of solution (°C) Temperature (°C) after 30 seconds 60 seconds 90 seconds 120 seconds 150 seconds 180 seconds Final temperature of solution (°C) Molar enthalpy of reaction (kJ mol¹) Average AH (kJ mol¹) Experimental AH for the reverse reaction A Trial 1 3.210 52.456 4.623 21.4 26.4 27.1 28.2 28.2 28.1 28.0 Trial 2 3.010 52.050 4.623 21.0 25.7 26.4 27.7 28.5 28.5 28.5 Trial 3 2.890 53.000 4.500 20.0 24.8 24.8 24.9 24.6 24.5 24.4 Trial 4 2.910 53.000 4.500 20.0 23.7 23.8 24.0 24.2 24.4 24.6 Heat capacity of calorimeter (J/oC) Specific heat of solution (J/goC) Activate Windows 2.1 4.17
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