Determine AG 298 for the reaction: 2NaHCO3(s) → Na₂CO3(s) + CO2 (g) + H₂O(g) Then calculate the approximate value for AG 490 for the reaction at 217 °C. How does the position of equilibrium for this reaction change as the temperature is increased? Useful data and equation: NaHCO3 (s) -851.9 -947.7 102 AG₁ (kJ/mol) AH (kJ/mol) AS (J/mol.K) H₂O(g) H₂O(l) -228.6 -237.2 -241.8 -285.9 69.96 Na2CO3 (s) CO₂(g) -1048 -394.4 -1131 -393.5 136 213.6 188.7
Determine AG 298 for the reaction: 2NaHCO3(s) → Na₂CO3(s) + CO2 (g) + H₂O(g) Then calculate the approximate value for AG 490 for the reaction at 217 °C. How does the position of equilibrium for this reaction change as the temperature is increased? Useful data and equation: NaHCO3 (s) -851.9 -947.7 102 AG₁ (kJ/mol) AH (kJ/mol) AS (J/mol.K) H₂O(g) H₂O(l) -228.6 -237.2 -241.8 -285.9 69.96 Na2CO3 (s) CO₂(g) -1048 -394.4 -1131 -393.5 136 213.6 188.7
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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Transcribed Image Text:Determine AG 298 for the reaction:
2NaHCO3(s) → Na₂CO3(s) + CO2 (g) + H₂O (9)
Then calculate the approximate value for AG 490 for the reaction at
217 °C. How does the position of equilibrium for this reaction change as
the temperature is increased?
Useful data and equation:
NaHCO3 (s)
-851.9
-947.7
102
AG₁ (kJ/mol)
AH₁ (kJ/mol)
AS (J/mol.K)
AGT AH298-TAS 298
Na₂CO3 (s) CO₂(g)
-1048
-394.4
-1131
-393.5
136
213.6
H₂O(g) H₂O()
-228.6 -237.2
-241.8 -285.9
188.7
69.96
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