General, Organic, & Biological Chemistry
General, Organic, & Biological Chemistry
3rd Edition
ISBN: 9780073511245
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 23, Problem 23.29P

The phosphorylation of glucose with HPO 4 2 forms glucose 1-phosphate and water and requires 5.0 kcal/mol of energy.

  1. Write the equation for this reaction.
  2. This unfavorable reaction can be driven by the hydrolysis of ATP to ADP. Write an equation for the coupled reaction.
  3. Calculate the energy change for the coupled reaction.

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For a given acid HA, it was determined that at pH 6.0 the concentration of the conjugate base [A] was 0.075 M and the acid [HA] was 0.025 M. What percent of this acid is ionized at pH 6.0? What is the pKa of this acid? What pH would this acid be 50% lonized?
Glycerol kinase catalyzes the phosphorylation of glycerol from ATP, yielding glycerol-3-phosphate and ADP. The standard state free energy for hydrolysis of glycerol-3- phosphate is -9.20 kj/mol and for the hydrolysis of ATP is-30.5 kJ/mol. Calculate the standard-state free energy change and equilibrium constant for the glycerol kinase reaction at 37 *C. AG kj/mol Keq Submit Answer Try Another Version 10 item attempts remaining
Determine the direction that each of the reactions will progress. Assume that the reactants and products are present in equimolar amounts. The standard free energy of hydrolysis of ATP is –30.5 kJ/mol.   fructose+ATP ____fructose 6‑phosphate+ADP The standard free energy of hydrolysis for fructose 6‑phosphate is −15.9 kJ/mol.   3‑phosphoglycerate+ATP___1,3‑bisphosphoglycerate+ADP The standard free energy of hydrolysis for 1,3‑bisphosphoglycerate is −49.3 kJ/mol.   creatine+ATP___creatine phosphate+ADP The standard free energy of hydrolysis for creatine phosphate is –43.0 kJ/mol.

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General, Organic, & Biological Chemistry

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