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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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Experiment #1 1.65 J Experiment #2 5.38 J Q in joules (J) from Eq. 1 Q in kJ (conversion factor Moles of Mg from Eq. 3 1 kJ/1000 J) 0.00165 kJ 0.00538 kJ %3D 0.00567901 mol 0.0099177 mo Experiment #1 Experiment #2 Initial Temperature, T. Final Temperature, Tt 20.5 20.5 32.2 42.3 Temperature Change, AT 11.7 21.8 Mass of magnesium, mMg 0.138 g 0.241 g "Mg The number of moles of Mg, nMg., is calculated by dividing the mass of Mg, mMg, by the molar mass of Mg (24.3 g/mol): mMg 24.3 g/mol Eq. 3 nMg
Transcribed Image Text:Experiment #1 1.65 J Experiment #2 5.38 J Q in joules (J) from Eq. 1 Q in kJ (conversion factor Moles of Mg from Eq. 3 1 kJ/1000 J) 0.00165 kJ 0.00538 kJ %3D 0.00567901 mol 0.0099177 mo Experiment #1 Experiment #2 Initial Temperature, T. Final Temperature, Tt 20.5 20.5 32.2 42.3 Temperature Change, AT 11.7 21.8 Mass of magnesium, mMg 0.138 g 0.241 g "Mg The number of moles of Mg, nMg., is calculated by dividing the mass of Mg, mMg, by the molar mass of Mg (24.3 g/mol): mMg 24.3 g/mol Eq. 3 nMg
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