Many metabolites are maintained at steady-state concentrations that are far from equilibrium. A comparison of Keg and Q, the mass-action ratio, can determine whether a metabolic reaction is far from equilibrium. The equation for this equilibrium is, fructose 6-phosphate + ATP = fructose 1,6-bisphosphate + ADP Calculate K, for this reaction at T = 25.0 °C. AG' = -14.2 kJ/mol Ka %3D Calculate the mass-action ratio, Q , from the approximate physiological concentrations for rat heart tissue shown in the table. Metabolite Concentration (µM) Q = fructose 6-phosphate fructose 1,6-bisphosphate 84.0 29.0 ATP 11,800 ADP 1,310

Many metabolites are maintained at steady-state concentrations that are far from equilibrium. A comparison of Keg and Q, the mass-action ratio, can determine whether a metabolic reaction is far from equilibrium. The equation for this equilibrium is, fructose 6-phosphate + ATP = fructose 1,6-bisphosphate + ADP Calculate K, for this reaction at T = 25.0 °C. AG' = -14.2 kJ/mol Ka %3D Calculate the mass-action ratio, Q , from the approximate physiological concentrations for rat heart tissue shown in the table. Metabolite Concentration (µM) Q = fructose 6-phosphate fructose 1,6-bisphosphate 84.0 29.0 ATP 11,800 ADP 1,310

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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A chemist fills a reaction vessel with 0.328 g silver chromate (Ag₂ CrO4) solid, 0.724 M silver (Ag*) aqueous solution, and 0.106 M chromate (CrO 2- Cro₂²-) 4 aqueous solution at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2- Ag₂ CrO4(s) 2 Ag+ (aq) + CrO₂ (aq) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. เม kJ X
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A chemist fills a reaction vessel with 6.56 atm methanol (CH3OH) gas, 5.57 atm oxygen (O₂) gas, 3.98 atm carbon dioxide (CO₂) gas, and 7.29 atm water (H₂O) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2CH₂OH(g) +30₂(g) →2CO₂(g) + 4H₂O(g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. KJ X 5 ?
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A chemist fills a reaction vessel with 3.93 atm methane (CH,) gas, 1.61 atm oxygen (O,) gas, 5.89 atm carbon dioxide (CO,) gas, and 4.78 atm hydrogen (H2) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: CH, (g) +0,(g) CO,(g)+2H, (g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. || kJ