Rule: Do it with students and not for them Exercise 3 Calculate the change in enthalpy for the reaction of one mole of PbO2 from lead and oxygen at 550°C. Given: 1 Pb+ 02PbO, AH 298 = -219242 J.mol-1 Pb 3PbO + +10 0₂ = Pb304, AH 298 -76986 J.mol-1 PbO Pb304023PbO2, AH 298 -94977 J.mol-1 02 = Cp(Pb) 38.4 + 1.9 × 10-3T Cp(02) 28.6 +1.4 × 10-3T - 8.4 × 105T-2 = Cp(Pb) 76.2 4.6 × 10-³T

Rule: Do it with students and not for them Exercise 3 Calculate the change in enthalpy for the reaction of one mole of PbO2 from lead and oxygen at 550°C. Given: 1 Pb+ 02PbO, AH 298 = -219242 J.mol-1 Pb 3PbO + +10 0₂ = Pb304, AH 298 -76986 J.mol-1 PbO Pb304023PbO2, AH 298 -94977 J.mol-1 02 = Cp(Pb) 38.4 + 1.9 × 10-3T Cp(02) 28.6 +1.4 × 10-3T - 8.4 × 105T-2 = Cp(Pb) 76.2 4.6 × 10-³T

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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