Lead Pb(s) 0 0 64.8 Pb2+(aq) -1.7 -24.4 10.5 PbBr₂(s) -278.7 -261.9 161.5 PbCl2(s) -359.4 -314.1 136.0 PbO(s; litharge) -219.0 -188.9 66.5 PbO(s; massicot) -217.3 -187.9 68.7 PbO2(s) -277.4 -217.3 68.6 PbS(s) -100.4 -98.7 91.2 PbSO4(s) -920.0 -813.0 148.5 Bromine Br2(1) 0 0 152.2 Br2(g) 30.9 3.1 245.5 Br(g) 111.9 82.4 175.0 Br (g) -212.6 --- 163.49 Br (aq) -121.6 -104.0 82.4 HBr(g) -53.4 Thermodynamic properties of pure substances substance AH₂° (kJ/mol) AG₁° (kJ/mol) S° (J/mol·K) Aluminum Al(s) 0 0 28.3 A13+(aq) -531.0 -485.0 -321.7 AICI 3(s) -704.2 -628.8 109.3 Al2O3(s) -1675.7 -1582.3 50.9 AI(OH)3(S) -647.3 -1147.25 A chemist fills a reaction vessel with 0.492 M lead (II) (Pb2+) aqueous solution, 0.241 M bromide (Br) aqueous solution, and 0.371 g lead (II) bromide (PbBr) solid at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: Pb2+(aq) +2Br (aq) PbBr₂(s) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. kJ

Lead Pb(s) 0 0 64.8 Pb2+(aq) -1.7 -24.4 10.5 PbBr₂(s) -278.7 -261.9 161.5 PbCl2(s) -359.4 -314.1 136.0 PbO(s; litharge) -219.0 -188.9 66.5 PbO(s; massicot) -217.3 -187.9 68.7 PbO2(s) -277.4 -217.3 68.6 PbS(s) -100.4 -98.7 91.2 PbSO4(s) -920.0 -813.0 148.5 Bromine Br2(1) 0 0 152.2 Br2(g) 30.9 3.1 245.5 Br(g) 111.9 82.4 175.0 Br (g) -212.6 --- 163.49 Br (aq) -121.6 -104.0 82.4 HBr(g) -53.4 Thermodynamic properties of pure substances substance AH₂° (kJ/mol) AG₁° (kJ/mol) S° (J/mol·K) Aluminum Al(s) 0 0 28.3 A13+(aq) -531.0 -485.0 -321.7 AICI 3(s) -704.2 -628.8 109.3 Al2O3(s) -1675.7 -1582.3 50.9 AI(OH)3(S) -647.3 -1147.25 A chemist fills a reaction vessel with 0.492 M lead (II) (Pb2+) aqueous solution, 0.241 M bromide (Br) aqueous solution, and 0.371 g lead (II) bromide (PbBr) solid at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: Pb2+(aq) +2Br (aq) PbBr₂(s) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. kJ

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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