Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constant for this reaction using the AG; values in the table. Substance AG; (kJ/mol) -616.1 H,CO, (aq) H,O(1) Co,(g) -237.1 -394.4 K = Carbonic acid then ionizes in water (Kal = 4.5 x 10-7). Ignoring K2, estimate K for the overall process by which CO, and H,O form H* and HCO, . K = What is the pressure of CO, in equilibrium with carbonated water at 25 °C and pH = 4.67? Pco, atm
Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constant for this reaction using the AG; values in the table. Substance AG; (kJ/mol) -616.1 H,CO, (aq) H,O(1) Co,(g) -237.1 -394.4 K = Carbonic acid then ionizes in water (Kal = 4.5 x 10-7). Ignoring K2, estimate K for the overall process by which CO, and H,O form H* and HCO, . K = What is the pressure of CO, in equilibrium with carbonated water at 25 °C and pH = 4.67? Pco, atm
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
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![Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constant for this
reaction using the AG; values in the table.
Substance
AG; (kJ/mol)
H, CO, (aq)
-616.1
H,O(1)
CO,(g)
-237.1
-394.4
K =
Carbonic acid then ionizes in water (Kal
4.5 x 10-7). Ignoring Ka2, estimate K for the overall process by which CO,
and H, O form H* and HCO,.
K =
What is the pressure of CO, in equilibrium with carbonated water at 25 °C and pH = 4.67?
Pco,
atm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa3d3ac4a-874a-47f2-996d-ede45746d6c1%2F63f89193-a44f-4221-abcd-7ddcb2ebd2bf%2Ftvh85io_processed.png&w=3840&q=75)
Transcribed Image Text:Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constant for this
reaction using the AG; values in the table.
Substance
AG; (kJ/mol)
H, CO, (aq)
-616.1
H,O(1)
CO,(g)
-237.1
-394.4
K =
Carbonic acid then ionizes in water (Kal
4.5 x 10-7). Ignoring Ka2, estimate K for the overall process by which CO,
and H, O form H* and HCO,.
K =
What is the pressure of CO, in equilibrium with carbonated water at 25 °C and pH = 4.67?
Pco,
atm
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