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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) H,O(1) CO,(g) -616.1 -237.1 -394.4 K = 2.0 x10¬3 Carbonic acid then ionizes in water (Kal = 4.5 × 10-7). Ignoring K2, estimate K for the overall process by which CO, and H,O form H* and HCO5. К- 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) H,CO, (aq) H,O(1) CO,(g) -616.1 -237.1 -394.4 K = 2.0 x10¬3 Carbonic acid then ionizes in water (Kal = 4.5 × 10-7). Ignoring K2, estimate K for the overall process by which CO, and H,O form H* and HCO5. К- What is the pressure of CO, in equilibrium with carbonated water at 25 °C and pH = 4.67? Pco, atm

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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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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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 = 2.0 x10-3 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
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 = 2.0 x10-3 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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