(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
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 112CWP: The equilibrium constant for a certain reaction increases by a factor of 6.67 when the temperature...
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