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(b) Since reaction (2) is the sum of reactions (1) and (3), it follows that the sum of AH1 and AH3 should be equal to AH2, according to Hess' Law. Use your data in Table 1 to show that AH2= AH1 + AH3.

(b) Since reaction (2) is the sum of reactions (1) and (3), it follows that the sum of AH1 and AH3 should be equal to AH2, according to Hess' Law. Use your data in Table 1 to show that AH2= AH1 + AH3.

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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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(b) Since reaction (2) is the sum of reactions (1) and (3), it follows that the sum of AH1 and AH3 should be equal to AH2, according to Hess' Law. Use your data in Table 1 to show that AH2= AH1 + AH3.
Transcribed Image Text:(b) Since reaction (2) is the sum of reactions (1) and (3), it follows that the sum of AH1 and AH3 should be equal to AH2, according to Hess' Law. Use your data in Table 1 to show that AH2= AH1 + AH3.
Table 1. Constant pressure calorimetric measurements for the three reactions shown above. Reaction Amount of NaOH AT (°C) AHon (kJ) AHra (kJ/mol) to be used (1) 1.0 g 6.7 -1.40 -1.40 (2) 1.0 g 17.26 -3.61 -3.61 (3) (25 mL, 1.0 M) 56.92 -11.079 -11.079
Transcribed Image Text:Table 1. Constant pressure calorimetric measurements for the three reactions shown above. Reaction Amount of NaOH AT (°C) AHon (kJ) AHra (kJ/mol) to be used (1) 1.0 g 6.7 -1.40 -1.40 (2) 1.0 g 17.26 -3.61 -3.61 (3) (25 mL, 1.0 M) 56.92 -11.079 -11.079
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