(3) For the following reactions at 500 K: (a) PbS(s) + 02(8)- - Pb(s) + SO2(g) (b) PbS(s) + 2P60(s) → 3Pb(s) + sO2(g) calculate: (i) AH00, (ii) AS0, (iii) AG500, given the following information: PbS(s) 0, (8) Pb(s) so, (g) PbO(s) Af0o (kJ mol-) -94 -296 -219 205 65 249 68 asic. (J K- mol") 91 In each case discuss briefly the feasibility of the reaction under the stated conditions and how the feasibility is influenced by temperature change. Calculate the reversal temperature where relevant assuming that Al and AS" remain constant over the temperature range considered.

(3) For the following reactions at 500 K: (a) PbS(s) + 02(8)- - Pb(s) + SO2(g) (b) PbS(s) + 2P60(s) → 3Pb(s) + sO2(g) calculate: (i) AH00, (ii) AS0, (iii) AG500, given the following information: PbS(s) 0, (8) Pb(s) so, (g) PbO(s) Af0o (kJ mol-) -94 -296 -219 205 65 249 68 asic. (J K- mol") 91 In each case discuss briefly the feasibility of the reaction under the stated conditions and how the feasibility is influenced by temperature change. Calculate the reversal temperature where relevant assuming that Al and AS" remain constant over the temperature range considered.

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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