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Q3 (A) The reduction of iron III oxide by carbon is not spontaneous at 298K, but becomes spontaneous on heating. → 4 Fe (s) + 3 CO2 (g) (a) Use the given data in the below table to calculate the standard Gibbs energy change for the reaction at 298K. 2 Fe203 (s) + 3C (S) (b) Estimate the temperature at which the reaction just becomes equilibrium, at 1 bar pressure. CO2 (8) Fe (S) Fe2O3 C (S) -393.5 -824.2 A¡H°298 / kJ mol1 213.7 5.70 27.3 87.4 S°298 / JK' mol

Q3 (A) The reduction of iron III oxide by carbon is not spontaneous at 298K, but becomes spontaneous on heating. → 4 Fe (s) + 3 CO2 (g) (a) Use the given data in the below table to calculate the standard Gibbs energy change for the reaction at 298K. 2 Fe203 (s) + 3C (S) (b) Estimate the temperature at which the reaction just becomes equilibrium, at 1 bar pressure. CO2 (8) Fe (S) Fe2O3 C (S) -393.5 -824.2 A¡H°298 / kJ mol1 213.7 5.70 27.3 87.4 S°298 / JK' mol

Chemistry
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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Q3 (A) The reduction of iron III oxide by carbon is not spontaneous at 298K, but becomes spontaneous on heating. 4 Fe (s) + 3 CO2 (g) (a) Use the given data in the below table to calculate the standard Gibbs energy change for the reaction at 298K. 2 Fe203 (s) + 3C (S) → (b) Estimate the temperature at which the reaction just becomes equilibrium, at 1 bar pressure. CO2 (8) C (S) Fe (S) Fe2O3 -393.5 -824.2 A¡H°298 / kJ mol1 213.7 5.70 27.3 87.4 S0298 / J K' mol1
Transcribed Image Text:Q3 (A) The reduction of iron III oxide by carbon is not spontaneous at 298K, but becomes spontaneous on heating. 4 Fe (s) + 3 CO2 (g) (a) Use the given data in the below table to calculate the standard Gibbs energy change for the reaction at 298K. 2 Fe203 (s) + 3C (S) → (b) Estimate the temperature at which the reaction just becomes equilibrium, at 1 bar pressure. CO2 (8) C (S) Fe (S) Fe2O3 -393.5 -824.2 A¡H°298 / kJ mol1 213.7 5.70 27.3 87.4 S0298 / J K' mol1
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