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For the decomposition of solid calcium carbonate at 25 C, CaCO3(s) CaO(s) + CO2(g) (a) Calculate rG using values of fG. Is the reaction product-favored at equilibrium? (b) Calculate rG when the partial pressure of carbon dioxide is 0.10 atm in the presence of both calcium carbonate and calcium oxide. Is the reaction spontaneous under these conditions?

For the decomposition of solid calcium carbonate at 25 C, CaCO3(s) CaO(s) + CO2(g) (a) Calculate rG using values of fG. Is the reaction product-favored at equilibrium? (b) Calculate rG when the partial pressure of carbon dioxide is 0.10 atm in the presence of both calcium carbonate and calcium oxide. Is the reaction spontaneous under these conditions?

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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Aren’t caco3 and CaO, why do they have partial pressure
4:25 l 4G in the forward direction. Explanation The A,G° for the given reaction is calculated below. Given: The reactants and the products are mixed with the partial pressures of 0.10 atm. A,G° is related to the reaction quotient Q by the expression, A,G= A,G +RT InQ PCaoPcO2 = A;G` +RTln (- PCACO3 Substituting the respective values, (0.10 )(0.10 n+ (0.008314 kJ/K) (298.15) In (0.10 ) +125.69 kJ/mol-rxn Therefore, the reaction will not proceed spontaneously in the forward direction since the A,G° value is positive.
Transcribed Image Text:4:25 l 4G in the forward direction. Explanation The A,G° for the given reaction is calculated below. Given: The reactants and the products are mixed with the partial pressures of 0.10 atm. A,G° is related to the reaction quotient Q by the expression, A,G= A,G +RT InQ PCaoPcO2 = A;G` +RTln (- PCACO3 Substituting the respective values, (0.10 )(0.10 n+ (0.008314 kJ/K) (298.15) In (0.10 ) +125.69 kJ/mol-rxn Therefore, the reaction will not proceed spontaneously in the forward direction since the A,G° value is positive.
4:25 l 4G Textbook problem Principles Of Chemical Reactivity: Entropy And Free Energy For the decomposition of solid calcium carbonate at 25 C, CaCO3(s) CaO(s) + CO2(g) (a) Calculate rG using values of fG. Is the reaction product-favored at equilibrium? (b) Calculate rG when the partial pressure of carbon dioxide is 0.10 atm in the presence of both calcium carbonate and calcium oxide. Is the reaction spontaneous under these conditions?
Transcribed Image Text:4:25 l 4G Textbook problem Principles Of Chemical Reactivity: Entropy And Free Energy For the decomposition of solid calcium carbonate at 25 C, CaCO3(s) CaO(s) + CO2(g) (a) Calculate rG using values of fG. Is the reaction product-favored at equilibrium? (b) Calculate rG when the partial pressure of carbon dioxide is 0.10 atm in the presence of both calcium carbonate and calcium oxide. Is the reaction spontaneous under these conditions?
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