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Data vial + NaOH mass empty vial mass measured volume 100 liquid mass (V x density) NaOH used soln mass= liquid + solid maximum temp, T₂ initial temp. T temp difference, AT 14975 100 Partner Reaction 1 Reaction 2 NaOH(s)+H₂O() NaOH(aq) + HCl(aq) 8.5718 8 ΝΑ 6.5743 g 100.0 mL H₂0 heat absorbed q = m-s-AT enthalpy change, AH (assign sign) molar enthalpy of rxn, ΔΗ. X % error = (AH1+2-AH3)/AH3) × 100% 101.9975 B 28.0 23.0 500 100g 609 1.9975 850 mL 1.0 M NaOH °C °C 28.5 °C 21.6 5.0 6.9 4.18 Show calculation details on next page kJ NaOH(s) + HCl(aq) Reaction 3 8.48198 6.5731 8 mL 1.0 M HCI 100.0 mL 0.5 M HCI kJ ΝΑ kJ/mol NaOH % 609 1-9047 kJ 861.9077 g °C 32.3 °C 21.1 °C 11.2°C kJ g kJ/mol NaOH 1.02 densit °C °C 50. XI.O 2 kJ kJ/mol NaOH

Data vial + NaOH mass empty vial mass measured volume 100 liquid mass (V x density) NaOH used soln mass= liquid + solid maximum temp, T₂ initial temp. T temp difference, AT 14975 100 Partner Reaction 1 Reaction 2 NaOH(s)+H₂O() NaOH(aq) + HCl(aq) 8.5718 8 ΝΑ 6.5743 g 100.0 mL H₂0 heat absorbed q = m-s-AT enthalpy change, AH (assign sign) molar enthalpy of rxn, ΔΗ. X % error = (AH1+2-AH3)/AH3) × 100% 101.9975 B 28.0 23.0 500 100g 609 1.9975 850 mL 1.0 M NaOH °C °C 28.5 °C 21.6 5.0 6.9 4.18 Show calculation details on next page kJ NaOH(s) + HCl(aq) Reaction 3 8.48198 6.5731 8 mL 1.0 M HCI 100.0 mL 0.5 M HCI kJ ΝΑ kJ/mol NaOH % 609 1-9047 kJ 861.9077 g °C 32.3 °C 21.1 °C 11.2°C kJ g kJ/mol NaOH 1.02 densit °C °C 50. XI.O 2 kJ kJ/mol NaOH

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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0.019475 vial + NaOH mass empty vial mass measured volume Data 1.00 liquid mass (V x density) NaOH used soln mass = liquid + solid maximum temp, T2 initial temp. T, temp difference, AT 14975 100 Partner Reaction 1 NaOH(s) + H₂O() 8.5718 8 6.5743 g 100.0 mL H₂0 heat absorbed q = m's AT enthalpy change, AH (assign sign) molar enthalpy of rxn, AHxn % error= |(AH1+2-AH3)/AH3|X 100% Reaction 2 NaOH(aq) + HCl(aq) ΝΑ NaOH(s) + HCl(aq) Reaction 3 8.48798 6.5731 8 50D mL 1.0 M HCI 100.0 mL 0.5 M HCI 100g 605 1.9975 850 mL 1.0 M NaOH 101.9975 8 28.0 23.0 °C °C 28.5 °C 21.6 5.0 6.9 4.18 Show calculation details on next page kJ ΝΑ kJ kJ/mol NaOH % 609 1-9047 °C 861.9017 g °C 32.3 °C 21.1 kJ kJ kJ/mol NaOH g +11.2 °C 1.02 densit °C °C Su X1.07 kJ/mol NaOH
Transcribed Image Text:0.019475 vial + NaOH mass empty vial mass measured volume Data 1.00 liquid mass (V x density) NaOH used soln mass = liquid + solid maximum temp, T2 initial temp. T, temp difference, AT 14975 100 Partner Reaction 1 NaOH(s) + H₂O() 8.5718 8 6.5743 g 100.0 mL H₂0 heat absorbed q = m's AT enthalpy change, AH (assign sign) molar enthalpy of rxn, AHxn % error= |(AH1+2-AH3)/AH3|X 100% Reaction 2 NaOH(aq) + HCl(aq) ΝΑ NaOH(s) + HCl(aq) Reaction 3 8.48798 6.5731 8 50D mL 1.0 M HCI 100.0 mL 0.5 M HCI 100g 605 1.9975 850 mL 1.0 M NaOH 101.9975 8 28.0 23.0 °C °C 28.5 °C 21.6 5.0 6.9 4.18 Show calculation details on next page kJ ΝΑ kJ kJ/mol NaOH % 609 1-9047 °C 861.9017 g °C 32.3 °C 21.1 kJ kJ kJ/mol NaOH g +11.2 °C 1.02 densit °C °C Su X1.07 kJ/mol NaOH
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